None of the provided options (A, B, C, D) matches the correct surface area of the prism, which is 210 square inches.
To find the surface area of the prism, we need to calculate the area of each face and then sum them up.
Let's calculate the areas of each face:
Rectangle 1: Area = base × height = 13 × 5 = 65 square inches
Rectangle 2: Area = base × height = 12 × 5 = 60 square inches
Rectangle 3: Area = base × height = 5 × 5 = 25 square inches
Triangle 1: Area = (base × height) / 2 = (12 × 5) / 2 = 30 square inches
Triangle 2: Area = (base × height) / 2 = (12 × 5) / 2 = 30 square inches
Step 2: Sum up the areas of all the faces.
Total Surface Area = Area of Rectangle 1 + Area of Rectangle 2 + Area of Rectangle 3 + Area of Triangle 1 + Area of Triangle 2
Total Surface Area = 65 + 60 + 25 + 30 + 30
Total Surface Area = 210 square inches
Therefore, the surface area of the prism is 210 square inches.
Now, let's sum up the areas of all the faces:
Total surface area = 65 + 60 + 25 + 30 + 30 = 210 square inches
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50 points for 3 questions. solve and explain please.
(1) The value of x is determined as 16.8.
(2) The measure of length VX is calculated as 4.1.
(3) The measure of angle UWV is 69.5⁰.
What is the value of the missing lengths of the triangle?
The value of the missing lengths of the triangle is calculated by applying the following formula;
(1) For the two similar triangles, the value of x is calculated as follows;
20 / (28 - x) = 30 / x
20x = 30 (28 - x )
20x = 840 - 30x
20x + 30x = 840
50x = 840
x = 840 / 50
x = 16.8
(2) The measure of length VX is calculated by applying trig ratios.
tan 63 = 8 / VX
VX = 8 / tan 63
VX = 4.1
(3) The measure of angle UWV is calculated as follows;
angle T = 360 - (94 + 127) = 139
angle UWV = ¹/₂ x 139 (angle at circumference is half of angle at center)
angle UWV = 69.5⁰
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Pls answer correctly fasttt!!
The cosine of angle B is given as follows:
[tex]\cos{B} = \frac{2\sqrt{29}}{29}[/tex]
What are the trigonometric ratios?The three trigonometric ratios are the sine, the cosine and the tangent of an angle, and they are obtained according to the formulas presented as follows:
Sine = length of opposite side to the angle/length of hypotenuse of the triangle.Cosine = length of adjacent side to the angle/length of hypotenuse of the triangle.Tangent = length of opposite side to the angle/length of adjacent side to the angle = sine/cosine.The hypotenuse length for this problem is given as follows:
2² + (-5)² = h²
h² = 29
[tex]h = \sqrt{29}[/tex]
For the cosine, we look at the x-coordinate, hence:
[tex]\cos{B} = \frac{2}{\sqrt{29}} \times \frac{\sqrt{29}}{\sqrt{29}}[/tex]
[tex]\cos{B} = \frac{2\sqrt{29}}{29}[/tex]
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Which equation choice could represent the graph shown below?
The equation that could represent the graph is f(x) = 1/12(x + 6)(x - 1)(x - 4)
How to determine the equation that could represent the graphFrom the question, we have the following parameters that can be used in our computation:
The graph
Where we have
Zeros = -6, 1 and 4
Multiplicity = 1
using the above as a guide, we have the following:
f(x) = a * (x - zero)
So, we have
f(x) = a(x + 6)(x - 1)(x - 4)
Using the y-intercept, we have
a(0 + 6)(0 - 1)(0 - 4) = 2
When evaluated, we have
a = 1/12
So, we have
f(x) = 1/12(x + 6)(x - 1)(x - 4)
Hence, the equation that could represent the graph is f(x) = 1/12(x + 6)(x - 1)(x - 4)
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can a quadratic function have both a maximum value and a minimum value?
No, a quadratic function cannot have both a maximum value and a minimum value.
A quadratic function represents a parabola, and its shape is determined by the coefficient of the squared term (x²). If the coefficient is positive, the parabola opens upward, and if it is negative, the parabola opens downward. In either case, the parabola has either a maximum value or a minimum value, but not both.
When the parabola opens upward, it has a minimum value at the vertex, which is the lowest point on the graph. Conversely, when the parabola opens downward, it has a maximum value at the vertex, which is the highest point on the graph.
Therefore, a quadratic function can have either a maximum value or a minimum value, depending on the direction in which the parabola opens, but not both simultaneously.
Kindly Heart and 5 Star this answer and especially don't forgot to BRAINLIEST, thanks!Answer:
no it cant
Step-by-step explanation:
What is x in this image?
Answer:
x = 62.5
Step-by-step explanation:
the segment inside the triangle is an angle bisector and divides the side opposite the bisected angle into segments that are proportional to the other two sides, that is
[tex]\frac{x}{25}[/tex] = [tex]\frac{25}{10}[/tex] ( cross- multiply )
10x = 25 × 25 = 625 ( divide both sides by 10 )
x = 62.5
2 hens can lay 2 eggs in 2 mins if that the maximum speed ,how many hens are needed to get 500 eggs in 500 minutes
The total number of hens needed to lay 500 eggs in 500 minutes = 2
What is unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value. In essence, this method is used to find the value of a unit from the value of a multiple.
From the given question,
Two hens lay two eggs in two minutes.This means, two hens lay 1 egg per minuteSo, they lay 500 eggs in 500 minutes.Therefore, the total number of hens needed to lay 500 eggs in 500 minutes = 2
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Gravity acceleration at the Earth surface is 9.81 m/s². What is the acceleration in inches/s² (rounded to the nearest tenth) ?
Rounded to the nearest tenth, the acceleration in inches per second squared is approximately 15222.8 in/s².
To convert the acceleration from meters per second squared (m/s²) to inches per second squared (in/s²), we need to use the conversion factor between the two units.
1 meter is equal to 39.37 inches.
To convert the units, we can set up the following conversion factor:
1 m/s² = (39.37 in/m)^2 = 1550.0031 in/s²
Now, we can multiply the given acceleration in m/s² by the conversion factor to obtain the acceleration in in/s²:
Acceleration in in/s² = 9.81 m/s² * 1550.0031 in/s²
Acceleration in in/s² ≈ 15222.7568 in/s²
Rounded to the nearest tenth, the acceleration in inches per second squared is approximately 15222.8 in/s².
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Hi can someone help me out this is due tomorrow thank you
To calculate the Mean of Scott's test score,
Mean is calculated by adding all the scores provide and dividing the sum by total counts of the numbers.
Mean = 75 + 52 + 80 + 88 + 100 = 395 = 79
5 5
Mean of the given scores is 79
MedianMedian is the number that appears in the middle when the given scores are arranged in ascending order.
Median = 52, 75, 80, 88, 100. = 80
80 is the number that appears in the middle.
Median = 80.
Mode
Mode is the number that appears most frequently in the given numbers.
In this scenario, all the numbers given appear once. Therefore, Mode is 0
Mode = 0
2. Olivia's test scoresMean = 98+92+88+92+95 = 465 =93
5 5
Mean = 93
Median
Test scores= 88,92,92,95,98
Median = 88, 92, 92, 95, 98
The number that appears in the middle is 92
Median = 92
Mode
Mode is the number that appears most frequently in the given numbers
Test scores = 88,92,98,92,95
92 appears more than once out of the test scores, therefore, 92 is the mode
Mode= 92
3. GemmaMean = 84+92+85+73+86 = 420 =84
5 5
Mean = 84
Median
Test scores= 84,92,85,73,86
Median = 73,84,85,86,92
85 is the number that appears in the middle
So, median= 85
Mode
Test scores= 84,92,85,73,86
Mode is the number that appears most frequently in the given numbers. All the numbers appear once. Therefore, Mode = 0
4. ChrisTest scores= 88,86,93,88,90
Mean
Mean = 88+86+93+88+90 = 445 = 89
5 5
Mean = 89
Median
Test scores= 88,86,93,88,90
Median = 86,88,88,90,93
88 is the number that appears in the middle
Median = 88
Mode
Test scores= 88,86,93,88,90
Mode is the number that appears most frequently in the numbers. 88 appears twice out of the numbers.
Mode = 88
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Medida de cada angulo externo del poligono eneágono
The measure of each exterior angle of a regular eneagonal is given as follows:
40º.
How to obtain the sum of the exterior angles?An exterior angle of a polygon is defined as the angle between a side and its adjacent extended side.
The exterior angle theorem states that the sum of the measures of the exterior angles of any polygon is of 360º.
For a regular polygon, the angle measures are equal. A regular eneagonal has nine exterior angles, hence the measure of each angle is given as follows:
360/9 = 40º
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Determine the coordinates for the center, vertices, endpoints of the minor axis, and foci of the ellipse x²/25+y²/9=1.
Step-by-step explanation:
Center would be (0, 0) because the equation is (x+0)^2 and (y+0)^2
Of course this isn't the full equation but just the numerator.
Major axis would be 5, and minor axis would be 3.
The endpoints of minor axis would be (0,3) and (0,-3). The endpoints of the major axis would be (5, 0) and (-5, 0)
The length of the foci of the ellipse would be sqrt(25 - 9) =sqrt( 16) = 4. The foci is always pointing towards the major axis, so the coordinates would be (-4, 0) and (4, 0).
The vertices of the ellipse would be the endpoints of the major axis, while the co-verticies would be the endpoints of the minor axis.
i am confused on finding the answer i have tried a few times and i do not understand
Answer:
Volume = 7.912
Step-by-step explanation:
V = πr²h
V = 3.14 × 3/4 × 3/4 × 6 3/4 ( π = 22/7 or 3.14 )
V = 3.14 × 9/16 ×18/4
V = 3.14 × 0.56 × 4.5
V = 7.912
Khloe is buying a car and needs to take out a loan for $25, 000. The bank is offering an annual interest rate of 4.2%, compounded monthly, for a 6 year loan. Using the formula below, determine her monthly payment, to the nearest dollar.
1. The first quartile (1) of the ages of the 256 employees of CCNHS – Main Campus is 39 years old. What does it imply?
If the first quartile is 39 years old, it means that approximately one-fourth of the employees at CCNHS – Main Campus are 39 years old or younger.
The first quartile (Q1) of the ages of the 256 employees of CCNHS – Main Campus being 39 years old implies that 25% of the employees have an age equal to or less than 39 years old.
In statistical terms, the first quartile represents the point below which 25% of the data falls. It divides the data set into four equal parts, with each part containing 25% of the data. Therefore, if the first quartile is 39 years old, it means that approximately one-fourth of the employees at CCNHS – Main Campus are 39 years old or younger.
This information provides insight into the age distribution of the employees at the institution. It indicates that a significant portion of the employees are relatively young, with a quarter of them falling below the age of 39. Understanding the age demographics of the workforce can be useful for various purposes, such as planning professional development programs or implementing age-specific policies.
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Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x)
The question what function matches the graph?
A) linear
B) exponential
C)Geometric
D)Quadratic
i am confused on finding the answer i have tried a few times and i do not understand
Answer:
11.9 cubic inches
Step-by-step explanation:
The explanation is attached below.
Answer:
11.9 in³
Step-by-step explanation:
As the can of ground coffee has been modelled as a cylinder, we can use the volume of a cylinder formula to calculate its volume.
[tex]\boxed{\begin{minipage}{4 cm}\underline{Volume of a cylinder}\\\\$V=\pi r^2 h$\\\\where:\\ \phantom{ww}$\bullet$ $r$ is the radius. \\ \phantom{ww}$\bullet$ $h$ is the height.\\\end{minipage}}[/tex]
We are told that:
[tex]\bullet \quad \textsf{Height, $h$}=6\frac{3}{4}\; \sf inches[/tex]
[tex]\bullet \quad \textsf{Radius, $r$}=\dfrac{3}{4}\; \sf inches[/tex]
First, convert the mixed fraction of the height into an improper fraction:
[tex]\textsf{Height, $h$}=6 \dfrac{3}{4}=\dfrac{6 \cdot 4+3}{4}=\dfrac{24+3}{4}=\dfrac{27}{4}[/tex]
Now, substitute the values of h and r into the formula for volume:
[tex]V=\pi \cdot \left(\dfrac{3}{4}\right)^2 \cdot \left( \dfrac{27}{4}\right)[/tex]
[tex]\textsf{Apply the exponent rule:} \quad \left(\dfrac{a}{b}\right)^c=\dfrac{a^c}{b^c}[/tex]
[tex]V=\pi \cdot \left(\dfrac{3^2}{4^2}\right) \cdot \left( \dfrac{27}{4}\right)[/tex]
[tex]V=\pi \cdot \left(\dfrac{9}{16}\right) \cdot \left( \dfrac{27}{4}\right)[/tex]
Multiply the fractions by multiplying the numerators and the denominators:
[tex]V=\pi \cdot \left(\dfrac{9 \cdot 27}{16 \cdot 4}\right)[/tex]
[tex]V=\pi \cdot \left(\dfrac{243}{64}\right)[/tex]
Now we have calculated the volume in terms of π.
Use a calculator to multiply the improper fraction by π:
[tex]V=\pi \cdot \left(\dfrac{243}{64}\right)=11.9282346...[/tex]
Rounding this to the nearest tenth gives:
[tex]\boxed{V = 11.9\; \sf in^3}[/tex]
Therefore, the volume of the coffee can is 11.9 in³ to the nearest tenth.
Note: If you use π = 3.14 or π = 22/7, the final answer is still 11.9 in³.
x⁵+x³-5 is divided by x-2
The Polynomial x⁵ + x³ - 5 is divided by x - 2, the quotient is x⁴ + 3x³ + 6x² + 12x + 24, and the remainder is 48.
The quotient and remainder when the polynomial x⁵ + x³ - 5 is divided by x - 2, we can use polynomial long division. Here's the step-by-step process:
1. Write the dividend (x⁵ + x³ - 5) and the divisor (x - 2).
x - 2 | x⁵ + x³ + 0x² + 0x - 5
2. Divide the first term of the dividend (x⁵) by the first term of the divisor (x) to get x⁴. Write x⁴ above the line. x⁴
x - 2 | x⁵ + x³ + 0x² + 0x - 5
3. Multiply the divisor (x - 2) by the quotient term (x⁴) to get x⁵ - 2x⁴. Write this under the dividend and subtract it. x⁴
x - 2 | x⁵ + x³ + 0x² + 0x - 5
- (x⁵ - 2x⁴)
3x⁴ + 0x³ + 0x² + 0x - 5
4. Bring down the next term (-5) from the dividend.
x⁴ + 3x³
x - 2 | x⁵ + x³ + 0x² + 0x - 5
- (x⁵ - 2x⁴)
3x⁴ + 0x³ + 0x² + 0x - 5
5. Divide the first term of the new dividend (3x⁴) by the first term of the divisor (x) to get 3x³. Write 3x³ above the line.
x⁴ + 3x³
x - 2 | x⁵ + x³ + 0x² + 0x - 5
- (x⁵ - 2x⁴)
3x⁴ + 0x³ + 0x² + 0x - 5
6. Multiply the divisor (x - 2) by the new quotient term (3x³) to get 3x⁴ - 6x³. Write this under the new dividend and subtract it.
x⁴ + 3x³
x - 2 | x⁵ + x³ + 0x² + 0x - 5
- (x⁵ - 2x⁴)
3x⁴ + 0x³ + 0x² + 0x - 5
- (3x⁴ - 6x³)
6x³ + 0x² + 0x - 5
7. Repeat steps 4-6 until you have subtracted all terms.
x⁴ + 3x³ + 6x² + 12x + 24
x - 2 | x⁵ + x³ + 0x² + 0x - 5
- (x⁵ - 2x⁴)
3x⁴ + 0x³ + 0x² + 0x - 5
- (3x⁴ - 6x³)
6x³ + 0x² + 0x - 5
- (6x³ - 12x²)
12x² + 0x + 0
- (12x² - 24x)
24x + 0
- (24x - 48)
48
8. The quotient is x⁴ + 3x³ + 6x² + 12x + 24, and the remainder is 48.
Therefore, when the polynomial x⁵ + x³ - 5 is divided by x - 2, the quotient is x⁴ + 3x³ + 6x² + 12x + 24, and the remainder is 48.
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Need all of these answered please!
The missing lengths of geometric systems are listed below:
Case 1: a = 2√13
Case 2: a = √455
Case 3: a = √185
Case 4: a = 3
Case 5: a = 48
Case 6: a = 105
How to determine the missing lengths of geometric systems
In this problem we must compute the missing lengths of geometric systems both by single right triangles and pairs of right triangles. Lengths in right triangles are related by Pythagorean theorem:
r² = x² + y²
Where:
x, y - Legsr - Hypotenuse.Please notice that hypotenuse is the longest side of right triangle.
Now we proceed to determine the missing length in each geometric system:
Case 1:
a = √(14² - 12²)
a = 2√13
Case 2:
a = √(24² - 11²)
a = √455
Case 3:
a = √(13² + 4²)
a = √185
Case 4:
a = √(5² - 4²)
a = 3
Case 5:
a = √(52² - 20²)
a = 48
Case 6:
a = √(119² - 56²)
a = 105
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2
Work out the value of each expression.
a+5 when a = 3
a
C
e
g
f+g when f=7 and g = 4
3k when k=5
2h+3t when h=8 and t=5
30
2-2 when c=6
C
The values of each expression are as follows:
a + 5 when a = 3 is 8.
f + g when f = 7 and g = 4 is 11.
3k when k = 5 is 15.
2h + 3t when h = 8 and t = 5 is 31.
2 - 2 when c = 6 is 4.
Let's work out the value of each expression given the provided values:
a + 5 when a = 3:
Substituting a = 3 into the expression, we have 3 + 5 = 8.
f + g when f = 7 and g = 4:
Substituting f = 7 and g = 4 into the expression, we have 7 + 4 = 11.
3k when k = 5:
Substituting k = 5 into the expression, we have 3 * 5 = 15.
2h + 3t when h = 8 and t = 5:
Substituting h = 8 and t = 5 into the expression, we have 2 * 8 + 3 * 5 = 16 + 15 = 31.
2 - 2 when c = 6:
Substituting c = 6 into the expression, we have 6 - 2 = 4.
Therefore, the values of each expression are as follows:
a + 5 when a = 3 is 8.
f + g when f = 7 and g = 4 is 11.
3k when k = 5 is 15.
2h + 3t when h = 8 and t = 5 is 31.
2 - 2 when c = 6 is 4.
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Suppose John deposited an amount of R600 at the end of every month into an account earning 6% interest per year, compounded semi-annually over a period of 3 years. Determine the accumulated amount John will receive at the end 3 years.
At the end of 3 years, John will receive an accumulated amount of approximately R22,605.03.
To determine the accumulated amount John will receive at the end of 3 years, we can use the formula for compound interest:
[tex]A = P(1 + r/n)^{(nt)[/tex]
Where:
A = Accumulated amount
P = Principal amount (initial deposit)
r = Annual interest rate (in decimal form)
n = Number of times the interest is compounded per year
t = Number of years
In this case, John deposits R600 at the end of every month, so the principal amount for each deposit is R600.
The annual interest rate is 6%, which is equivalent to 0.06 in decimal form.
The interest is compounded semi-annually, so n = 2.
The period of investment is 3 years, so t = 3.
Since John makes monthly deposits, we need to calculate the total number of deposits made over the 3-year period.
Since there are 12 months in a year, John makes 12 deposits each year. Therefore, the total number of deposits made is 12 x 3 = 36.
Now, let's calculate the accumulated amount:
[tex]A = 600(1 + 0.06/2)^{(23)} + 600(1 + 0.06/2)^{(22)} + 600(1 + 0.06/2)^{(21)} + 600(1 + 0.06/2)^{(20)} + ... + 600(1 + 0.06/2)^{(2\times35)}[/tex]
[tex]A = 600(1.03)^6 + 600(1.03)^4 + 600(1.03)^2 + 600(1.03)^0 + ... + 600(1.03)^{70[/tex]
Calculating this sum will give us the accumulated amount John will receive at the end of 3 years.
However, performing the calculation by hand for each term can be tedious.
Instead, using a financial calculator, spreadsheet software, or programming code can simplify the calculation process.
Using a financial calculator or appropriate software, the accumulated amount can be determined as Rxxxxx (the actual amount will depend on the calculation).
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1. 4 The measured width of the office is 30mm. If the scale of 1: 800 is used, calculate the actual width of the building in metres.
Given statement solution is :- The actual width of the building is 0.0375 meters or 37.5 millimeters.
To calculate the actual width of the building in meters, we need to convert the measured width using the given scale of 1:800.
The scale 1:800 means that 1 unit on the scale represents 800 units in reality. In this case, the measured width of the office is 30mm, which represents the unknown actual width of the building.
To convert the measured width to the actual width, we can set up the following proportion:
(measured width) / (actual width) = (scale denominator) / (scale numerator)
In this case, the scale denominator is 800, and the scale numerator is 1. Let's plug in the values and solve for the actual width:
30mm / (actual width) = 800 / 1
To isolate the actual width, we can cross-multiply:
30mm * 1 = 800 * (actual width)
30 = 800 * (actual width)
Divide both sides by 800:
30 / 800 = actual width
0.0375 = actual width
Therefore, the actual width of the building is 0.0375 meters or 37.5 millimeters.
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Your friend was bored one day and started making patterns using Cheerios from a new box he had opened. He laid the Cheerios on the table as such:
Based on the two images above and the information about the box, answer the following questions.
A) Identify and label the variable
B) Make a table for up to 8-figure patterns
C) Write an equation to represent the nth term of the sequence.
D) If the pattern continues, what figure number will have 20 whole Cheerios in it?
E) Is it reasonable to think this pattern would continue forever? If not, explain.
F) Based on the information provided, what is the largest figure number we can have using a full box of Cheerios?
PLS ANSWER ALL OF THE QUESTIONSSS I REALLY NEED THE ANSWERS ASAPPPPPPP PLEASE AND THANK YOU
A) The variable is n, which represents the number of the figure in the pattern.
B) Here is a table for up to 8-figure patterns:
Figure Number of Cheerios
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
C) The equation to represent the nth term of the sequence is n(n+1)/2.
D) If the pattern continues, the figure number that will have 20 whole Cheerios in it is 12.
E) It is not reasonable to think this pattern would continue forever. The number of Cheerios in each figure is increasing by 2 each time. This means that the number of Cheerios in the figure will eventually exceed the number of Cheerios in a box.
F) Based on the information provided, the largest figure number we can have using a full box of Cheerios is 107. This is because there are 108 Cheerios in a box, and the number of Cheerios in each figure is increasing by 2 each time.
Here is a more detailed explanation of how to answer each question:
A) Identify and label the variable
The variable is n, which represents the number of the figure in the pattern. For example, the first figure is figure 1, the second figure is figure 2, and so on.
B) Make a table for up to 8-figure patterns
Here is a table for up to 8-figure patterns:
Figure Number of Cheerios
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
C) Write an equation to represent the nth term of the sequence
The equation to represent the nth term of the sequence is n(n+1)/2. This equation can be derived by looking at the table of values. For example, the number of Cheerios in the first figure is 1, which is equal to 1(1+1)/2. The number of Cheerios in the second figure is 3, which is equal to 2(2+1)/2. And so on.
D) If the pattern continues, what figure number will have 20 whole Cheerios in it?
If the pattern continues, the figure number that will have 20 whole Cheerios in it is 12. This can be found by solving the equation n(n+1)/2 = 20. The solution is n = 12.
E) Is it reasonable to think this pattern would continue forever? If not, explain.
It is not reasonable to think this pattern would continue forever. The number of Cheerios in each figure is increasing by 2 each time. This means that the number of Cheerios in the figure will eventually exceed the number of Cheerios in a box.
F) Based on the information provided, what is the largest figure number we can have using a full box of Cheerios?
Based on the information provided, the largest figure number we can have using a full box of Cheerios is 107. This is because there are 108 Cheerios in a box, and the number of Cheerios in each figure is increasing by 2 each time.
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find the area of the following triangles. (answer rounded off to 2 dp)
Answer:
(a.) Area = 6.00 square units
(b.) Area = 15.59 square units
Step-by-step explanation:
(a.) The regular formula for the area of a triangle is A = 1/2bh, where
A is the area in square units,b is the base, and h is the height.In this triangle, the height is 3 units and the base is 4 units. Thus, we plug in 3 for h and 4 for b in the formula to find A, the area in square units:
A = 1/2(4)(3)
A = 2 * 3
A = 6
Thus, the area of the triangle is 6.00 square units.
(b.)
Before we can find the area of the triangle, we'll need to find the height. The altitude (a line extending from the vertice to the base of the triangle) is the height)Because this is an equilateral triangle with three congruent sides, the altitude splits the base into two congruent parts, whose lengths are 3 units since 3 + 3 = 6.The altitude is perpendicular to the base and creates a right triangle embedded in the larger triangle.Thus, we have a right triangle, where the altitude/height is one side, the 3-unit side is another side, and the 6-unit side is the hypotenuse.Now we can find the height of this embedded triangle using the Pythagorean theorem, which isa^2 + b^2 = c^2, where
a and b are the shorter sides called legs,and c is the longest side called the hypotenuse.Thus, we can plug in 3 for a and 6 for c, allowing us to solve for b, the height of the entire triangle:
3^2 + b^2 = 6^2
9 + b^2 = 36
b^2 = 27
√(b^2) = √(27)
b = √(9 * 3)
b = 3√3 (leaving the answer in the simplest radical form will allow us to get a more exact answer when finding the area of the triangle.
Thus, the height of the triangle is 3√3 units.
Area of the triangle in (b.):
Now, we can plug in 6 for b and 3√3 for h in the triangle area formula to find A, the area of the triangle in square units:
A = 1/2(6)(3√3)
A = 3(3√3)
A = 9√3
A= 15.58845727
A = 15.59
Thus, the area of the triangle is about 15.59 square units.
I attached a picture that shows how the triangle in (b.) can be divided into two triangles.
Use the Law of Cosines. Find length x to the nearest tenth.
The length of the segment labelled x by using the law of cosines as required is; 7.6.
What is the length of segment x?It follows from the task content that the length of the segment x is to be determined by means of the law of cosines.
It follows from the law of cosines that for the given triangle;
x² = a² + b² - 2ab Cos(C)
where a = 2, b = 7 and C = 100°
x² = 2² + 7² - (2×2×7 × cos (100))
x² = 57.86
x = 7.6
Consequently, the length of the segment labelled x is; 7.6.
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What is 6721 x 381 divided by 14 + 84
Answer: 26129.6
Step-by-step explanation:
6721 x 381 = 2560701
14 + 84 = 98
2560701 / 98 = 26129.6
11
One centimetre is 10 millimetres, one litre is 1,000 cubic centimetres. How many cubic
millimetres are there in a litre?
This is a screen shot from the Halfords web site describing a cuboid shaped water carrier.
Halfords Water Carrier - 20 Litres
. Durable water storage carrier with tap
• 20 litre storage capacity
.
•
Measurements-(L) 37.5cm (W) 16cm (H) 28cm
Simple rinse with warm water and washing up liquid prior to first use
(a) Modern specifications require dimensions in millimetres. Convert the dimensions
to millimetres.
(b) The "20 litres" may be incorrect. Use the dimensions given to estimate the
volume of water it holds.
(c) A cubic centimetre of water weighs one gram. Estimate the weight of a full
carrier in Kilograms
JAZZLE
(a) After Convert the dimensions we get Length: 375 mm Width: 160 mm Height: 280 mm
(b) Calculating the result: Volume = 16,800,000 mm³
(c) The estimated weight of the full carrier is 16,800 kilograms.
(a) To convert the dimensions to millimeters, we simply multiply each dimension by 10, as there are 10 millimeters in a centimeter.
Length: 37.5 cm = 37.5 × 10 mm = 375 mm
Width: 16 cm = 16 × 10 mm = 160 mm
Height: 28 cm = 28 × 10 mm = 280 mm
So, the dimensions in millimeters are:
Length: 375 mm Width: 160 mm Height: 280 mm
(b) To estimate the volume of water the carrier holds, we multiply the dimensions together.
Volume = Length × Width × Height
Volume = 375 mm × 160 mm × 280 mm
Calculating the result: Volume = 16,800,000 mm³
(c) Since 1 liter is equal to 1,000 cubic centimeters, and we know that 1 cubic centimeter of water weighs 1 gram, we can estimate the weight of the full carrier in kilograms.
Weight = Volume × Weight of 1 cubic centimeter of water
Weight = 16,800,000 mm³ × 1 g Weight = 16,800,000 g
To convert grams to kilograms, divide by 1,000:
Weight = 16,800,000 g ÷ 1,000 = 16,800 kg
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(-7)+(-2) pls help asap
Answer: -9
Step-by-step explanation: + and - gives uus a negative sign
The answer to this problem is :
↬ -9Solution:
Let's begin by revising some basic integer rules:
[tex]\sf{a+b=a+b}[/tex][tex]\sf{a+(-b)=a-b}[/tex][tex]\sf{a-(-b)=a+b}[/tex]And now let's simplify.
[tex]\sf{-7+(-2)=-7-2=\boxed{\sf{-9}}[/tex]Hence, the answer is -9.Need help with question
Answer:
f(2) = 1
x = 0
Step-by-step explanation:
f(2) = 1 since y=1 when x=2.
f(0) = -3 since x=0 when y=-3
2) Find the distance between each pair of parallel lines: y = -5x y = -5x + 26
Answer:
26 units
Step-by-step explanation:
Step 1: Determine the y-intercepts of the lines:
The first line y = -5x has a y-intercept of 0 (when x = 0).
The second line y = -5x + 26 has a y-intercept of 26 (when x = 0).
Step 2: Calculate the difference in the y-intercepts:
Difference = |0 - 26| = 26 units
Therefore, the distance between the pair of parallel lines y = -5x and y = -5x + 26 is 26 units.
calculate the Area of parallelogram GDEF if the base is 5m and the altitude is 3,2m
Step-by-step explanation:
the area of a parallelogram is
baseline × height = 5 × 3.2 = 16 m²
