The cost of spending the fencing around will be $1312.5.
What is a perimeter?The perimeter of any two-dimensional figure is defined as the sum of all the sides of the figure. For a rectangle, the perimeter will be the sum of all the sides of the rectangle.
Given that the graph of rectangle ABCD depicts Kenny's intentions for erecting a safety fence to surround a construction site. The units on the graph each correspond to 25 ft.
Kenny decides to construct a fence that encloses a wider region after carefully reviewing the drawings. Given that fencing costs $5.25 per foot and Kenny enlarges rectangle ABCD by a scale factor of 2.5
Perimeter = 4 x side x scale factor
Perimeter = 4 x 25 x 2.5
Perimeter = 250 feet.
The cost of fencing will be,
Cost = 250 x $5.25
Cost = $1312.5
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Find the measure of each angle in the problem. 5) Complementary angles with measures 3x and 6x - 18 degrees
The measure of each angle in complementary angles with measures 3x and 6x - 18 degrees is 36° and 54°.
We are given two angles 3x and 6x - 18 and these angles are complementary angles.
Complementary angles are those whose combined angle is 90 degrees or less. In other terms, two angles are said to be complimentary if they combine to make a right angle.
So, sum of 3x and 6x - 18 is 90°
3x + 6x - 18 = 90°
9x = 108°
x = 12°
So, 3x = 3 × 12 = 36°
6x - 18 = 6 × 12- 18 = 54°
Hence, the measure of each angle is 36° and 54°.
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how many significant figures do each of the following measurements contain? type a number (i.e., 1, 2, 3, etc) for each of your responses, not the written word for the number.
Each of the following measurements contain a) 1, b) 4,c) 3,d) 1,e) 2,f) 4,g) 2 significant figures.
Significant digit -Precision refers to the number of digits to which a value can be assigned. Therefore, numbers that can have a value of digits are called significant digits.
Below are the key figures for each value reported.
(a) 2- 1significant digits
(b) 81.640 - 4 significant digits;
(c) 7.03 - 3 Significant Figures
(d) 0.003 - 1significant digits
(e) 0.0086 to 2 significant digits
(f) 3236 - 4 significant digits
(g) 8700 - 2 significant digits
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a person rolls a standard six-sided die 10 times. in how many ways can he get 6 fives, 3 ones, and 1 two?
There are 840 ways for the person to get 6 fives, 3 ones, and 1 two in 10 rolls of a six-sided die.
To calculate the number of ways to roll 6 fives, 3 ones, and 1 two in 10 rolls of a six-sided die, we can use the formula for combinations with repetition.
The number of ways to choose 6 rolls to be fives out of 10 is given by the combination formula:
C(10, 6) = 10! / (6! * (10 - 6)!) = 210
Similarly, the number of ways to choose 3 rolls to be ones out of the remaining 4 rolls is:
C(4, 3) = 4! / (3! * (4 - 3)!) = 4
Finally, there is only one way to choose the remaining roll to be a two.
Therefore, the total number of ways to roll 6 fives, 3 ones, and 1 two in 10 rolls of a six-sided die is:
210 * 4 * 1 = 840.
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(b) a telemarketing supervisor tells a new worker that the odds of making a sale on a single call are 6 to 13. what is the probability of a successful call? (round your answer to two decimal places.)
Probability of a successful call 0.3157 = 31.57%
Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events. The degree to which something is likely to happen is basically what probability means. You will learn the potential outcomes for a random experiment using this fundamental theory of probability, which is also applied to the probability distribution. Knowing the total number of outcomes is necessary before we can calculate the likelihood that a specific event will occur.
A probability is the number of desired outcomes divided by the number of total outcomes.
The odds of making a sale on a single call are 6 to 13.
This means that in 6+13 = 19 calls, 6 are successful.
What is the probability of a successful call?
p = 6/19 =
0.3157 = 31.57% probability of a successful call.
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The quadrilateral is a trapezoid. What is the value of x?454825
The value of x for the trapezoid quadrilateral is equal to 5.
The quadrilateral is an isosceles trapezoid, with a line parallel to both opposing lines splitting the other two unparallelly going lines into equal halves. Hence, according to normal relations, the mid length is 5x-1.
The lengths of the opposing sides are 21 and 27 respectively. As a result, we may write 2(5x - 1) = 21 + 27.
Growing further, 10x - 2 = 48
10x = 48 + 2
10x = 50
Divide all sides by ten.
x = 50/10
x = 5
As a result, the value of x is 5.
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10 point cuz its all i got rn
In the scale drawing, what is the area of the lawn (that is, the area of the whole backyard, except for the deck)?
The area of the lawn in the scale drawing is approximately 996 square feet.
1. Measure the length and width of the lawn in inches on the scale drawing.
Length = 16.5 inches
Width = 15.5 inches
2. Convert the measurements to feet by dividing the inches by 12.
Length = 16.5/12 = 1.375 feet
Width = 15.5/12 = 1.291 feet
3. Calculate the area of the lawn by multiplying the length and width.
Area = 1.375 x 1.291 = 1.75 square feet
4. Multiply the area by the scale factor (in this case, 560) to get the actual area.
Area = 1.75 x 560 = 996 square feet
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11) Dalton calls a local moving company to determine how much it will cost him to move. If he hires 2 movers and rents a truck for an hour it costs $65. It costs $80 to hire 3 movers and rent a truck for an hour. What is the hourly rate to hire a mover? What is the hourly rate to rent the truck?
Answer: $35.
Step-by-step explanation: Let A = 2 movers and one truck for hour = $65
B = 3 movers and one truck for hour = $80
So, 1 mover = B - A
= $80 - $65
= $15
Hence, 2 movers cost = 2 × $15
= $30
SO, rent of the truck hourly = A - cost of 2 movers
= $65 - $30
= $35
Therefore cost of renting the truck for an hour = $35
Jonah has $7,586 in an account that earns 10% interest compounded annually.
In a case whereby Jonah has $7,586 in an account that earns 10% interest compounded annually, the amount he will have in 3 years is $10,096.97
How can the amount he will have in 3 years be calculated?The concept that will be used here is counpound interest.
The amount that will be present in the account in 3 years can be estimated using the expression beleow which is:
FV = P(1 + r)^n
P represent the amount in the account which is $7,586
r represen the interest rate which is 10/100 =0.01
n represent the number of years
FV represent the future value
We can input all these values as :
FV =[ 7,586(1 + 0.1)^3]
= (7,586 x 1.1^3 )
= $10,096.97
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complete question:
Jonah has $7,586 in an account that earns 10% interest compounded annually.
To the nearest cent, how much will he have in 3 years?
Alan and betty collected cans for recycling. Alan collected 154 cans. Betty collected 215 cans. How many cans did they collect?
Answer:
369 cans
Step-by-step explanation:
Add the two numbers of cans collected by each:
Alan: 154 cans
Betty: 215 cans
Total: 369 cans
what is the percent of the sugar in a syrup made of 10 kg of water and 15kg of sugar? I need answers now pls help
Answer:
Your answer is 60%.
Step-by-step explanation:
[tex]10 + 15=25[/tex] and [tex]\frac{15}{25}[/tex] [tex]=0.6[/tex] [tex]= 60[/tex]%
13.
14.
15.
Classify <1
Classify <2
Classify
Answer:
< 1 is acute (less than 90⁰)
<2 is acute
<BOA is obtuse (greater than 90⁰)
1. an aerospace company has submitted bids on two separate federal government defense contracts. the company president believes that there is a 61% probability of winning the first contract. if they win the first contract, the probability of winning the second is 74%. however, if they lose the first contract, the president thinks that the probability of winning the second contract decreases to 20%. what is the probability that they lose both contracts?
The required probability of loosing both the contracts with 61% chances of winning first contract and 74% chances of second contract is equal to 0.1014.
Probability of winning the first contract 'P(A)' = 61%
= 0.61
Probability of winning the second contract 'P(B)' = 74%
= 0.74
Probability of loosing both the contracts is
= [ 1 - P(A) ] × [ 1 - P(B) ]
= [ 1 - 0.61 ] × [ 1 - 0.74 ]
= 0.39 × 0.26
= 0.1014
Therefore, the probability of loosing both the contracts as per given contracts winning possibility is equal to 0.1014.
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Please, I need the answer to this question:
A goldsmith takes 2 hours to make a wedding ring and 3 hours to make a necklace. He can only work for a maximum of 12 hours a day. In a day, he has an order for at least 2 rings and 2 necklaces. On each wedding ring, he makes a profit of $50; on each necklace, he makes a profit of $60.
Assuming he makes x-rings and y-necklaces:
A) Write down all the inequalities correcting x and y
B) Show by shading the Region, R which satisfies all the inequalities in no.A above
C) How many rings and necklaces should the goldsmith make to maximize the profit?
Pls show your work thank you will mark the Brainliest
Answer D
Step-by-step explanation:
9 A square is graphed on the set of axes below, with vertices at
(-1,2), (-1,-2), (3,-2), and (3.2).
Which transformation would not carry the square onto itself
Answer:
With the information given, I would say a dialation.
Step-by-step explanation:
Rotation of 180 degree around point (1, 0). Therefore, option (3) is the correct answer.
What is a transformation?A transformation is a general term for four specific ways to manipulate the shape and/or position of a point, a line, or geometric figure. The original shape of the object is called the Pre-Image and the final shape and position of the object is the Image under the transformation.
Given that, the square with vertices (-1, 2), (-1, -2), (3, -2) and (3, 2).
(1) Reflection over the y-axis
Then the vertices become (1, 2), (1, -2), (-3, -2) and (-3, 2)
So, the transformation carries the square onto itself.
(2) Reflection over the x-axis
Then the vertices become (-1, -2), (-1, -2), (3, 2) and (3, -2)
So, the transformation carries the square onto itself.
(3) Rotation of 180 degree around point (1, 0)
(x, y) becomes (-y, x) 180° clockwise
So, the coordinate points are (-2, -1), (2, -1), (2, 3) and (-2, 3)
So, the transformation does not carries the square onto itself.
Therefore, option (3) is the correct answer.
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"Your question is incomplete, probably the complete question/missing part is:"
A square is graphed on the set of axes below, with vertices at (-1,2), (-1,-2), (3,-2), and (3.2). Which transformation would not carry the square onto itself.
(1) Reflection over the y-axis
(2) Reflection over the x-axis
(3) Rotation of 180 degree around point (1, 0)
(4) Reflection over the line y=x-1
Uriel collects aluminum cans, crushes them with a hand can-crushing machine, and turns the crushed cans in once a month for extra money. Uriel can crush 3 cans in 23 of a minute. What is the rate, in cans per minute, at which Uriel crushes aluminum cans?
If Uriel can crush 3 cans in 23 of a minute, Uriel crushes aluminum cans at a rate of 4.5 cans per minute.
The problem gives us information about the number of cans Uriel can crush and the time it takes him to do so. We want to find the rate at which he crushes the cans, which is a measure of how many cans he can crush per minute.
To find this rate, we use a proportion. A proportion is a statement that two ratios are equal. In this case, we can set up a proportion that relates the number of cans Uriel crushes to the time it takes him to do so, and the rate at which he crushes the cans:
3 cans / (2/3 min) = x cans / 1 min
Here, the first ratio is the number of cans Uriel can crush in 2/3 of a minute (which is the same as saying that he can crush 3 cans in 2/3 of a minute). The second ratio is the unknown rate at which Uriel crushes cans per minute.
To solve for the unknown rate, we use cross-multiplication. This involves multiplying both sides of the proportion by the same value in order to isolate the unknown variable on one side of the equation.
In this case, we can cross-multiply by the denominators of each ratio:
3 cans × 1 min = (2/3 min) × x cans
Simplifying the left-hand side, we get:
3 cans × 1 min = 3 cans/min
Simplifying the right-hand side, we get:
(2/3 min) × x cans = 2x/3 cans/min
Putting these together, we get the equation:
3 cans/min = (2x/3) cans/min
We can now solve for x by isolating it on one side of the equation. To do this, we can multiply both sides by 3/2:
(3/2) × 3 cans/min = x cans/min
Simplifying, we get:
4.5 cans/min = x cans/min
Therefore, Uriel crushes aluminum cans at a rate of 4.5 cans per minute.
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find the surface area of a square pyramid with the base length of 10 cm and the height of 12 cm
A 155 cm squared
B 340cm squared
C 360cm squared
D 429cm squared
The presented statement states that a square pyramid has a surface area of 340 cm².
An area example would be?For instance, we may calculate the area of a rectangle by multiplying its length by its width. The area of the rectangle seen above is 24 or 8. There are eight little squares in all if you count them.
The following formula may be used to determine a square pyramid's surface area:
(Base Area) + Surface Area (Area of 4 triangular faces)
The base area of the pyramid would have been 10 cm x 10 cm, or 100 cm2, as the pyramid's base is a squares with a diameter of ten centimeters.
Each triangle face's area may be calculated using the formula for
Area = (1/2)bh
where b denotes the bottom and h the top.
The area of each triangle face will be (1/2) x 10 cm x 12 cm = 60 cm², given that the pyramid's height is 12 cm.
As a result, the pyramid's total surface area would be as follows: 100 cm² + (4 x 60 cm²) = 100 cm² + 240 cm² = 340 cm².
So, the correct response is B) 340 cm².
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pls help me i need now and if the answer is correct i give free BRAINLIEST HERE!!!!
THANK YOU
The measures of the angles formed by the cords and secant in the circle are found using circle theorems and presented as follows;
m∠1 = 47.5°[tex]m\widehat{BD}[/tex] = 110°m∠COD = 55°[tex]m\widehat{CD}[/tex] = 20°m∠AOC = 100°m∠APB = 25°m∠ADB = 25°[tex]m\widehat{CD}[/tex] = 90°[tex]m\widehat{AB}[/tex] = 70°[tex]m\widehat{CD}[/tex] = 100°What is a secant of a circle?A secant is a line that has two points of intersection on a circle.
The specified parameters are;
1. The measure of arc [tex]m\widehat{AB}[/tex] = 80°, and the measure of [tex]m\widehat{CD}[/tex] = 15°
Angle at the center of the circle = 2 × Angle at the circumference
Angle at the center of the circle = The arc angle of the circle
Therefore;
m∠DAC = 15°/2 = 7.5°
m∠ACO = 80°/2 = 40°
The external angle of a triangle theorem, indicates that we get;
m∠1 = 40° + 7.5° = 47.5°
m∠1 = 47.5°
2. m∠BOD = 100°, [tex]m\widehat{AC}[/tex] = 90°
The intersecting chords theorem indicates that we get;
m∠BOD = (1/2)×([tex]m\widehat{AC}[/tex] + [tex]m\widehat{BD}[/tex])
Therefore; 100° = (1/2)×(90° + [tex]m\widehat{BD}[/tex])
[tex]m\widehat{BD}[/tex] = 2 × 100° - 90° = 110°
[tex]m\widehat{BD}[/tex] = 110°
3. [tex]m\widehat{AB}[/tex] = 90°, [tex]m\widehat{CD}[/tex] = 20°
Therefore; m∠ACO = 90°/2 = 45°
m∠DAC = 20°/2 = 10°
The external angle theorem indicates that we get;
m∠COD = 45° + 10° = 55°
m∠COD = 55°
4. m∠1 = 35°, [tex]m\widehat{AB}[/tex] = 50°, therefore;
m∠ACO = 50°/2 = 25°
m∠CAO = 35° - 25° = 10°
[tex]m\widehat{CD}[/tex] = 2 × m∠CAO
Therefore; [tex]m\widehat{CD}[/tex] = 2 × 10° = 20°
[tex]m\widehat{CD}[/tex] = 20°
5. m∠AOC = (1/2)×([tex]m\widehat{AC}[/tex] + [tex]m\widehat{BD}[/tex])
Therefore; m∠AOC = (1/2)×(90° + 110°) = 100°
m∠AOC = 100°
6. [tex]m\widehat{CD}[/tex] = 20° and [tex]m\widehat{AB}[/tex] = 70°
The external secant, tangent theorem, indicates that we get;
m∠APB = (1/2) × ([tex]m\widehat{AB}[/tex] - [tex]m\widehat{CD}[/tex])
m∠APB = (1/2) × (70° - 20°) = 25°
m∠APB = 25°
7. [tex]m\widehat{AB}[/tex] = 50°,
The angle at the center of a circle is twice the angle subtended at the circumference, therefore;
m∠ADB = 50°/2 = 25°
m∠ADB = 25°
8. m∠CAD = 45°
The angle formed by an arc at the center of a circle theorem, indicates that we get;
[tex]m\widehat{CD}[/tex] = 2 × m∠CAD
[tex]m\widehat{CD}[/tex] = 2 × 45° = 90°
[tex]m\widehat{CD}[/tex] = 90°
9. m∠ACB = 70°
m∠ACB is the angle subtended by the arc [tex]m\widehat{AB}[/tex] on the circumference
Therefore;
[tex]m\widehat{AB}[/tex] = 2 × m∠ACB
[tex]m\widehat{AB}[/tex] = 2 × 70° = 140°
[tex]m\widehat{AB}[/tex] = 70°
10. m∠AOB = 80°, [tex]m\widehat{AB}[/tex] = 60°
m∠(AOB) = (1/2) × ([tex]m\widehat{AB}[/tex] + [tex]m\widehat{CD}[/tex])
Therefore; m∠(AOB) = 80° = (1/2) × (60 + [tex]m\widehat{CD}[/tex])
80° = (1/2) × (60 + [tex]m\widehat{CD}[/tex])
[tex]m\widehat{CD}[/tex] = 2 × 80° - 60° = 100°
[tex]m\widehat{CD}[/tex] = 100°
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Y is directly proportional to x when y=30 x=6. Work out an equation connectng y and x
The equation connecting y and x when y is directly proportional to x and y = 30 when x = 6 is y = 5x.
If y is directly proportional to x, we can write the equation in the form:
y = kx
where k is the constant of proportionality.
To find k, we can use the values of y and x given:
y = 30, x = 6
When we enter these values into the formula above, we obtain:
30 = k * 6
Solving for k, we get:
k = 30/6 = 5
Therefore, the equation connecting y and x when y is directly proportional to x is:
y = 5x
When two variables are directly proportional, it means that when one variable increases or decreases, the other variable changes in the same proportion. In this scenario, we are given that y is directly proportional to x and we are also given a specific point on the line, (6, 30). Using this information, we can solve for the constant of proportionality k and write the equation connecting y and x as y = kx, where k is 5.
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a car dealership collected a sample of 1000 used cars for miles cars were driven. the sample included 20 different car models, across multiple years. in a single chart, an analyst wants to see the correlation across various car models between the car mileage and year the car was built. which chart is most appropriate? line chart none of the above heatmap chart scatterplot chart
The most appropriate chart to see the correlation between car mileage and year the car was built for various car models would be a scatterplot chart.
In a scatterplot chart, each point represents a pair of values: one value on the x-axis (in this case, year the car was built) and another value on the y-axis (in this case, mileage). By plotting these pairs of values for each car model in the sample, we can visually examine the relationship between mileage and year built for each car model and determine if there is a correlation between the two variables.
A line chart is used to display data that changes over time, typically for a single variable. A heatmap chart is used to show the magnitude of values for different categories using different colors. Therefore, neither of these chart types would be appropriate to show the correlation between mileage and year built for various car models.
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Why is it important to use the Order of Operations? (WHAT YOU THINK)
Answer:it guarantees that people can all read and solve a problem in the same way.
Step-by-step explanation:
The following percentages were obtained over many years of observation by the U. S. Weather Bureau. All data listed are for the month of December.
Location
Long-Term Mean % of Clear Days in Dec.
Juneau, Alaska
18%
Seattle, Washington
24%
Hilo, Hawaii
36%
Las Vegas, Nevada
75%
Phoenix, Arizona
77%
In the locations listed, the month of December is a relatively stable month with respect to weather. Since weather patterns in these locations from one day to the next are more or less the same, it is reasonable to use a binomial probability model.
Let r be the number of clear days in December. Since December has 31 days, 0≤r≤31. Nm4u0IVE95dhb8ATPw0weRwYAkAAAAASUVORK5CY P(r)yEe62CYUPB7MJz5G6C+JLsVriPljwPUUJXmslZLy is the binomial probability for each of the listed locations when r=0, 1, 2, … , 31f+RvZvj8MDoTWn4AAAAASUVORK5CYII=. Include your formula setup or calculator comments to answer the following questions.
(1 pt) Find the probability that Juneau will have at most 8 clear days in December.
(1 pt) Find the probability the Hilo will have at least 14 clear days in December.
(1 pt) Find the probability that Phoenix will have 20 or more clear days in December.
(1 pt) Find the probability that Las Vegas will have no more than 18 clear days in December.
(2 pts) Find the probability that Seattle will have from 5 to 10 (including 5 and 10) clear days in December
The probability of having at most 8 clear days in Juneau, 14 or more in Hilo, 20 or more in Phoenix, 18 or less in Las Vegas, and between 5 and 10 in Seattle is 0.7608, 0.7367, 0.4672, 0.9590, and 0.5385, respectively.
1. P(r≤8) = P(r=0) + P(r=1) + P(r=2)+ P(r=3)+ P(r=4)+ P(r=5)+ P(r=6)+ P(r=7)+ P(r=8)= 0.7608
2. P(r≥14) = 1 - P(r≤13) = 1 - (P(r=0) + P(r=1) + P(r=2)+ P(r=3)+ P(r=4)+ P(r=5)+ P(r=6)+ P(r=7)+ P(r=8)+ P(r=9)+ P(r=10)+ P(r=11)+ P(r=12)+ P(r=13))= 0.7367
3. P(r≥20) = 1 - P(r≤19) = 1 - (P(r=0) + P(r=1) + P(r=2)+ P(r=3)+ P(r=4)+ P(r=5)+ P(r=6)+ P(r=7)+ P(r=8)+ P(r=9)+ P(r=10)+ P(r=11)+ P(r=12)+ P(r=13)+ P(r=14)+ P(r=15)+ P(r=16)+ P(r=17)+ P(r=18)+ P(r=19))= 0.4672
4. P(r≤18) = P(r=0) + P(r=1) + P(r=2)+ P(r=3)+ P(r=4)+ P(r=5)+ P(r=6)+ P(r=7)+ P(r=8)+ P(r=9)+ P(r=10)+ P(r=11)+ P(r=12)+ P(r=13)+ P(r=14)+ P(r=15)+ P(r=16)+ P(r=17)+ P(r=18)= 0.9590
5. P(5≤r≤10) = P(r=5) + P(r=6) + P(r=7)+ P(r=8)+ P(r=9)+ P(r=10)= 0.5385
The probability of having at most 8 clear days in Juneau, 14 or more in Hilo, 20 or more in Phoenix, 18 or less in Las Vegas, and between 5 and 10 in Seattle is 0.7608, 0.7367, 0.4672, 0.9590, and 0.5385, respectively.
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Please find the degree of angle x!
Answer:22.61 degrees
Step-by-step explanation:
Use reverse tangent
Sarah charges $12 an hour when she
babysits. She also charges a non-refundabl
$5 fee just for showing up. What equation
could be used to represent the relationship
between x, the number of hours she
babysits, and y, the amount of money she
makes? jo
The equation which correctly shows the relationship between x, number of hours and y, the amount of money she makes is; y = 12x + 7.
What is the relationship between x and y as described?It follows from the task content that the relationship between y and x is to be.
By comparison with the slope-intercept equation; y = mx + c.
Since, slope, m is the rate of change; m = 12$ per hour.
Also, the nonrefundable one-time fee for showing up represents the y-intercept, c.
Therefore, the required equation is;
y = 12x + 5.
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A family purchased tickets to a museum and spent a total of $38.00. The family purchased 4 tickets. There was a $1.50 processing fee for each ticket. Write and solve an equation that can be used to find x, the cost of one ticket to the museum. Show your work or explain your answer.
Answer:
Equation: 4(x + 1.5) = 38
Ticket Cost: $8, or x = 8
Step-by-step explanation:
The processing fee for each ticket is $1.50, or 1.5. This applies to each ticket, meaning that the price of one ticket (or x) should be added to 1.5. x + 1.5 represents the sum of a ticket and the processing fee. Since there were 4 tickets purchased, x + 1.5 is multiplied 4 times. That results in 4(x + 1.5). Finally, the total amount of money spent was $38, so 4(x + 1.5) = 38.
4(x + 1.5) = 38
4x + 6 = 38
4x = 32
x = 8
Check:
4 * 8 = 32 (cost of 4 tickets)
4 * 1.5 = 6 (cost of 4 processing fees)
32 + 6 = 38 (4 tickets + 4 processing fees = total)
x + 1/2y when x= -5/6 and y= -2/5 in simplest form
Answer:
Improper fraction: -31/30
Mixed number: -1 1/30
Step-by-step explanation:
If x = -5/6 and y = -2/5, we can start by replacing x and y in the equation x + 1/2y.
x+1/2y -> -5/6+1/2(-2/5)
Now we can start solving the equation:
According to the Order of Operations, we have to start with multiplication before addition. So, let's multiply 1/2 and -2/5. We get -2/10, which simplifies to -1/5.
Now we have to do the addition: -5/6+(-1/5)
To add fractions together, we have to find a common denominator. We can do this by finding the LCM of the two denominators(Least common multiple).
6: 6, 12, 18, 24, 30, 36...
5: 5, 10, 15, 20, 25, 30, 35...
The LCM is 30.
-5/6 x 5/5 = -25/30 <-- the equivalent fraction of -5/6
-1/5 x 6/6 = -6/30 <-- the equivalent fraction of -1/5
-25/30 + (-6/30) = -31/30
The answer is -31/30 in improper fraction form, and -1 1/30 in mixed number form.
how many ways can patricia choose 3 pizza toppings from a menu of 10 toppings if each topping can only be chosen once?
Step-by-step explanation:
the equation we use here is [items to choose from] to the power of [required items]; in this case, we get [tex]10^{3}[/tex].
the scores on a standardized test are normally distributed with a mean of 100 and standard deviation of 5. what test score is 1.4 standard deviations
A test score that is 1.4 standard deviations above the mean is 107. This means that a student who scored 107 on this standardized test would be above average, as the mean is 100 and the standard deviation is 5.
To find the test score that is 1.4 standard deviations above the mean, we need to use the formula:
z = (x - μ) / σ
where z is the number of standard deviations from the mean, x is the test score, μ is the mean, and σ is the standard deviation.
In this case, we know that z = 1.4, μ = 100, and σ = 5. So we can rearrange the formula to solve for x:
x = z * σ + μ
Substituting the values we know, we get:
x = 1.4 * 5 + 100 = 107
Therefore, a test score that is 1.4 standard deviations above the mean is 107. This means that a student who scored 107 on this standardized test would be above average, as the mean is 100 and the standard deviation is 5.
Learn more about standard deviations :
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Please help (will mark as brainlest)
Answer:
(9y + 4)(5x + 7)
Step-by-step explanation:
What number to the power of three is 500000?
The number that, when raised to the power of three, equals 500000 is approximately 100.
To find this number, we can use the cube root function:
x^3 = 500000
x = cube root of (500000)
x = approximately 100
So, the number that, when raised to the power of three, equals 500000 is approximately 100.
