Expanding the product, we can rewrite the expression as follows:
-5³*(-9y³ + 4y² + 3y) = 1,125y³ - 500y² - 375y
How to rewrite the given expression?Here we have the following expression:
-5³*(-9y³ + 4y² + 3y)
To remove the parentheses, we need to expand the product, we know that:
-5³ = -125
Then we can rewrite the expression as:
-125(-9y³ + 4y² + 3y)
Now expand the product, we will get:
-125(-9y³ + 4y² + 3y) = 1,125y³ - 500y² - 375y
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Identify the type of arrangement used in the picture to pack cans
The type of arrangement used in the picture to pack cans is a linear arrangement.
What is the arrangement about?
If the cans are arranged in a straight line, this would be called a linear arrangement. In a linear arrangement, the objects are arranged in a single line or row.
This type of arrangement is commonly used for packing and displaying items that need to be easily accessible or for creating a uniform and organized appearance. It can be used for packing cans, bottles, or other similarly shaped objects.
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Identify the type of arrangement used in the picture to pack cans
Help me I have to do this today
The Surface Area is 11.075 square m and Volume is 2.15625 cubic m.
we have,
Length = 2.3 m
width= 1.25 m
height = 0.75 m
So, Surface Area
= 2 (lw + wh + lh)
= 2( 2.875 + 0.9375 + 1.725)
= 11.075 square m
Now, Volume = l w h
= 2.3 x 1.25 x 0.75
= 2.15625 cubic m
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Aaron wants to draw the development of a cylinder. Which method of development should he use?
A.
parallel line
B.
approximate
C.
triangulation
D.
radial line
E.
non-curved to non-curved triangulation
Answer:
The correct option is A. Parallel line.
multiply three 1,5. -5,6. 0,0
It is common knowledge that a fair penny will land heads up 50% of the time and tails up 50% of the time. It is very unlikely for a penny to land on its edge when flipped, so a probability of 0 is assigned to this outcome. A curious student suspects that 5 pennies glued together will land on their edge 50% of the time. To investigate this claim, the student securely glues together 5 pennies and flips the penny stack 100 times. Of the 100 flips, the penny stack lands on its edge 46 times. The student would like to know if the data provide convincing evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5. The student tests the hypotheses H0: p = 0.50 versus Ha: p ≠ 0.50, where p = the true proportion of all flips for which the penny stack will land on its edge. The conditions for inference are met. The standardized test statistic is z = –0.80 and the P-value is 0.2119. What conclusion should the student make using the α = 0.10 significance level?
A) Because the test statistic is less than α = 0.10, there is convincing evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5.
B) Because the P-value is greater than α = 0.10, there is convincing evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5.
C) Because the P-value is greater than α = 0.10, there is not convincing evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5.
D) Because the test statistic is less than α = 0.10, there is not convincing evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5.
The correct answer is:
C) Because the P-value is greater than α = 0.10, there is not convincing evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5.
The student set up a hypothesis test to investigate whether there is evidence that the true proportion of flips for which the penny stack will land on its edge differs from 0.5. The null hypothesis is that the proportion is 0.5, and the alternative hypothesis is that it differs from 0.5.
The student obtained a standardized test statistic of z = -0.80 and a P-value of 0.2119.
To make a conclusion, the student needs to compare the P-value to the significance level α.
The significance level is given as 0.10, which means that the student is willing to accept a 10% chance of making a Type I error (rejecting the null hypothesis when it is actually true).
Since the P-value of 0.2119 is greater than α = 0.10, there is not convincing evidence to reject the null hypothesis. Therefore, the student cannot conclude that the true proportion of flips for which the penny stack will land on its edge differs from 0.5.
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What is:
tan B=
cos B=
cos A=
sin B=
tan A=
sin A=
of this triangle
Answer :
In the first figure,
△BCA
a = Perpendicular
b = base
c = hypotenuse
In the second figure,
△ABC
a = base
b = perpendicular
c = base
tan B = Perpendicular/Base = b/a
cos B = Base/Hypotenuse = a/c
cos A = Base/Hypotenuse = a/c
sin B = Perpendicular/Hypotenuse = b/c
tan A = Perpendicular/Base = a/b
sin A = Perpendicular/Hypotenuse = a/c
What is -9 as a fraction?
Answer:
[tex]-\frac{9}{1}[/tex]
Step-by-step explanation:
Its just the same way as making positive 9
a fraction, but just add the negative sign.
Hope this helps :))
Suppose that the amount of cosmic radiation to which a person is exposed when
flying by jets across the US is a random variable having a normal distribution with mean 4.35
mrem and standard deviation 0.59 mrem. What is the probability that a person will be exposed
to more than 5.20 mrem of cosmic radiation on such a flight?
The probability that a person will be exposed to more than 5.20 mrem of cosmic radiation on a flight across the US is 0.0745, or 7.45%.
We want to find the probability that a person will be exposed to more than 5.20 mrem of cosmic radiation on such a flight.
Let X be the amount of cosmic radiation exposure on a flight.
Then we need to find P(X > 5.20).
We need to standardize the random variable X by converting it to a standard normal variable Z with mean 0 and standard deviation 1, using the formula:
Z = (X - μ) / σ
Substituting the given values, we get:
Z = (5.20 - 4.35) / 0.59 = 1.44
Now we need to find the probability that a standard normal variable is greater than 1.44.
Using a standard normal distribution table or a calculator, we can find that this probability is approximately 0.0745.
Therefore, the probability that a person will be exposed to more than 5.20 mrem of cosmic radiation on a flight across the US is 0.0745, or 7.45%.
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can someone please write this in exponential form
Using the exponential function we can rewrite the expression as:
[tex]H = 10^{-4}[/tex]
How to write this in exponential form?Here we start with the equation:
log₁₀(H) = -4
We can rewrite the logarithm part as follows:
log₁₀(H) = ln(H)/ln(10)
Then we can rewrite:
ln(H)/ln(10) = -4
ln(H) = -4*ln(10)
Now we can move the coefficeint -4 as a exponent:
[tex]ln(H) = ln(10^{-4})[/tex]
Now apply the exponential equation to both sides:
[tex]exp(ln(H)) = exp(ln(10^{-4}))[/tex]
[tex]H = 10^{-4}[/tex]
That is what we wanted.
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A soup can had a height of 4cm and a radius of 3cm, the amount of the soup the can hold is approximately
Answer:
A soup can with a height of 4cm and a radius of 3cm holds approximately 113.1 cubic centimeters of soup.
Explanation:
The volume of a cylindrical can is calculated using the formula V = πr^2h, where V is the volume, r is the radius, and h is the height of the can.
In this case, the radius is 3cm and the height is 4cm. Plugging these values into the formula, we get:
V = π × 3^2 × 4
V = 113.1 cubic centimeters
Write out an equation of each parabola with the given focus and directrix.
focus: (2, -1); directrix: y = -4
The equation of each parabola with the given focus and directrix is:
y = (1/6)x² - (2/3)x - 11/6
Here, we have,
To derive the equation of the parabola, let (x , y) be a point in the parabola. Its distance from the focus should be equal to its distance from the directrix.
we will show here how to do an equation of each parabola with the given focus and directrix.
1.) focus: (2, -1); directrix: y = -4
d (point to focus) = d (point to directrix)
sqrt ((x - 2)² + (y + 1)²) = (y + 4)
Squaring both sides gives us,
(x - 2)² + (y + 1)² = (y + 4)²
Simplifying gives,
x² - 4x + 4 + y² + 2y + 1 = y² + 8y +16
Simplifying leads to,
6y = x² - 4x -11
This leads to our final answer of
y = (1/6)x² - (2/3)x - 11/6
Hence, The equation of each parabola with the given focus and directrix is: y = (1/6)x² - (2/3)x - 11/6
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The supply and demand function of a good are p=Qs+8, p=-3Qd+80.find
A.the equilibrium price and quantity if the government imposes a fixed tax of $36 on each good.
B.find the corresponding value of the government tax revenue.
The equilibrium price and quantity if the government imposes a fixed tax of $36 on each good is $26 and the corresponding value of the government tax revenue is $648
To find the equilibrium price and quantity, we need to set Qs = Qd and solve for the price.
Qs = Qd
=> p = -3Qd + 80 = Qs + 8
=> -3Qd + 80 = Qd + 8 (substituting Qs = Qd)
=> 4Qd = 72
=> Qd = 18
=> Qs = 18
Therefore, the equilibrium price is:
p = Qs + 8 = 18 + 8 = 26
Now, if the government imposes a fixed tax of $36 on each good, the new supply function becomes:
p = Qs + 8 - 36
=> Qs = p - 28
And the demand function remains the same:
p = -3Qd + 80
Setting Qs = Qd and substituting Qs and Qd in terms of p, we get:
p - 28 = -3Qd + 80
=> -3Qd = p - 52
=> Qd = (52 - p) / 3
The government tax revenue is the product of the tax and the quantity sold, which is:
Tax revenue = tax per unit × quantity sold
=> Tax revenue = 36 ×Qs
Substituting Qs = 18, we get:
Tax revenue = 36 × 18 = $648
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6. The circle graph gives the percentage
of students who favor the different lunch
menus offered by the school cafeteria.
Find mKL and mLMJ.
The value of KL and LMJ in the pie chart are 54 degrees and 198 degrees respectively
What is the value of the angles from pie chartThe pie chart is an important type of data representation. It contains different segments and sectors in which each segment and sector of a pie chart forms a specific portion of the total(percentage). The sum of all the data is equal to 360°. The total value of the pie is always 100%.
To find the value of angle KL and LMJ, we can proceed as;
a. angle KL;
KL = 15 / 100 = x / 360
KL = 0.15 = x / 360
x = 360 * 0.15
x = 54°
KL = 54°
Let's find LMJ
LMJ = 24 + 31 = 55%
55 / 100 = x / 360
0.55 = x / 360
x = 360 * 0.55
x = 198°
LMJ = 198°
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The object above is made up of 1 inch cubes what is the volume of the object
The volume of the object made up of 3 cubes of 1 inch each is 3 cubic inches.
To find the volume of the object made up of 3 cubes, we need to know the dimensions of the object in terms of the length, width, and height.
If each cube has a length, width, and height of 1 inch, then the object made up of 3 cubes will have a length of 3 inches, a width of 1 inch, and a height of 1 inch.
Therefore, the volume of the object is:
Volume = Length x Width x Height
Volume = 3 inches x 1 inch x 1 inch
Volume = 3 cubic inches
So, the volume of the object made up of 3 cubes is 3 cubic inches.
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--The given question is incomplete, the complete question is given
" The object is of 3 cubes is made up of 1 inch cubes what is the volume of the object"--
find the range of this equation
The range of the given equation is [-1, infinity).
We are given that;
Equation y= underroot(x+5)
Now,
The domain of this equation is the set of x values that make the expression under the square root non-negative.
That is, x+5 >= 0, or x >= -5. So the domain is [-5, infinity).
The range of this equation is the set of y values that are obtained by plugging in the domain values into the equation. Since the square root function is always non-negative, and we are subtracting 1 from it, the smallest possible value of y is -1, when x = -5. As x increases, y also increases, and there is no upper bound for y.
Therefore, by the range the answer will be [-1, infinity).
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Cole is saving money at a constant rate. Suppose he initially has $190 saved, and after 3 months, he has $265 saved.
Express the rate at which Cole is saving.
In a sporting event, the scoring area (shown here) consists of four concentric circles on the ice with radii of 4 inches, 3 feet, 5 feet, and 8 feetIf a team member lands a (43-pound) stone randomly within the scoring area, find the probability that it ends up centered on the given color
The probability that it ends up centered on the red color is 39/64.
Given that there are four concentric circles on the ice with radii of 4 inches, 3 feet, 5 feet, and 8 feet,
We need to find the probability that it ends up centered on the red color.
So,
The total area = 8²π = 64π
4 inches = 1/3 feet
So, the area of red part = (8²-5²)π = 39π ft²
So, the probability that it ends up centered on the red color = area of red part / total area
= 39/64
Hence the probability that it ends up centered on the red color is 39/64.
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Gladys is working with the offset command in CAD. What is the sequence of steps that Gladys should follow to use the offset command?
add the distance of the offset
object from the original object
select the original object to be offset
select the offset command
select a point anywhere on the screen where you want to offset the object
Answer:
The correct sequence of steps to use the offset command is:
1. Select the original object to be offset
2. Select the offset command
3. Add the distance of the offset
4. Select a point anywhere on the screen where you want to offset the object
5. Select the object from the original object
I hope that helps!
Will mark brainliest! At the city Museum, child admission is $6.00 and adult admission is $9.90. on Thursday twice as many adult tickets as child tickets were sold for a total sales of $593.40 . How many child tickets were sold that day
Answer:
It sounds like a word problem! Let's solve it together. First, let's use some variables. Let's call the number of child tickets sold "c" and the number of adult tickets sold "a". We know that the total sales were $593.40, so we can write an equation for that:
6c + 9.9a = 593.4
We also know that twice as many adult tickets as child tickets were sold, so we can write another equation:
a = 2c
Now we can substitute the second equation into the first equation:
6c + 9.9(2c) = 593.4
Simplifying this equation, we get:
6c + 19.8c = 593.4
25.8c = 593.4
c = 23
So 23 child tickets were sold that day.
Please help me huge points just for the correct answer
The area of the kite is 47.25 square feet.
Given is a figure of Kite.
We know that the diagonal of a Kite divides the Kite into equal two triangles.
Here same things happened.
For the upper triangle, the length of the base is = 10.5 feet.
And the base of the height corresponding to that base = 4.5 feet.
So the area of the upper triangles = (1/2)*10.5*4.5 = 23.625 square feet.
Since the areas of the triangles are equal so the area of the bottom triangle is also 23.625 square feet.
Hence the area of Kite = sum of the areas of this triangles = 23.625 + 23.625 = 47.25 square feet.
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HELP ME I NEED YOU REAL FAST
Surface area of Maya's deck box is 11.075 square meter and Volume is 2.15625 cubic meters
The dimensions of Maya's deck box are length is 2.3 m, width is 1.25m and height is 0.75m
Surface area =2lw+2lh+2hw.
=2(2.3×1.25) + 2(2.3×0.75) + 2(0.75×1.25)
=2(2.875) + 2(1.725)+2(0.9375)
=5.75+3.45+1.875
=11.075 square meter
Volume = Length×width×height
=2.3×1.25×0.75
=2.15625 cubic meters
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An item has listed price of $65. If the sales tax rate is 5% how much is the sales tax what is the total cost?
If an item has a listed price of $65 and the sales tax rate is 5%, the sales tax will be $3.25 and the total cost will be $68.25.
If the item has a listed price of $65, the sales tax rate is 5%, we can first calculate the amount of sales tax as follows:
Sales Tax = Listed Price x Sales Tax Rate
Sales Tax = $65 x 0.05
Sales Tax = $3.25
So the sales tax on the item is $3.25.
To calculate the total cost, we simply add the sales tax to the listed price:
Total Cost = Listed Price + Sales Tax
Total Cost = $65 + $3.25
Total Cost = $68.25
So the total cost of the item with sales tax is $68.25.
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Could the points (-4, 3), (-1, 1) and (1, 3) for the vertices of a right triangle? Why or why not?
The points (-4, 3), (-1, 1), and (1, 3) cannot form the vertices of a right triangle.
To determine if the points (-4, 3), (-1, 1), and (1, 3) can form the vertices of a right triangle
we need to check if the square of the length of one side of the triangle is equal to the sum of the squares of the lengths of the other two sides.
We calculated the distances between the three points using the distance formula, and checked if any of the three sides of the triangle satisfied the Pythagorean theorem, which relates the sides of a right triangle.
Since none of the three sides satisfied the Pythagorean theorem, the given points cannot form the vertices of a right triangle.
Therefore, the points (-4, 3), (-1, 1), and (1, 3) cannot form the vertices of a right triangle.
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The United States has over 310 million residents. Suppose that you want to estimate the proportion of Americans who ate breakfast this morning to within a margin-of-error of 3 percentage points with 95% confidence. About how many people would you need to randomly sample? (Assume all selected will respond to the survey.) Choose the best answer from the following choices.
We would need to randomly sample at least 1067 people to estimate the proportion of Americans who ate breakfast this morning with a margin of error of 3 percentage points and a 95% confidence interval.
The formula to calculate the sample size required to achieve a desired margin of error and confidence interval is:
n = (Z² x p x (1-p)) / E²
where n is the sample size, Z is the z-score corresponding to the desired level of confidence (1.96 for 95% confidence), p is the estimated proportion of the population who ate breakfast, and E is the desired margin of error as a decimal (0.03 in this case).
To determine the estimated proportion of Americans who ate breakfast this morning, we could use data from previous studies or surveys. Let's assume that previous studies have found that approximately 60% of Americans eat breakfast regularly. Therefore, we can use p = 0.60 in our formula.
Substituting the values into the formula, we get:
n = (1.96² x 0.60 x 0.40) / 0.03²
n ≈ 1067
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There are 26 boys and 20 girls in a class.
The boys and the girls have some counters.
The mean number of counters that the boys have is 28.
The mean number of counters that the girls have is 19.
Work out the mean number of counters the 46 children have.
Computing the total number of counters in the class as 1,108, the mean number of counters that the 46 children have is 24.
What is the mean?The mean refers to the average value.
The average is the quotient of the total value divided by the number of items in the data set.
The number of boys in the class = 26
The number of girls in the class = 20
The total number of boys and girls in the class = 46
The mean number of counters that the boys have = 28
The total number of counters that the boys have = 728 (28 x 26)
The mean number of counters that the girls have =19
The total number of counters that the girls have = 380 (19 x 20)
The total number of counters that the class has = 1,108 (728 + 380)
The average or mean number of counters in the class = 24 (1,108 ÷ 46)
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the following mapping statements describe the transformation of the vertices of the quadrilateral.
A(-3, 2)→ A'(-1,0)
B(-2, 2)→ B'(0, 0)
C(2, 1) → C'(0, -1)
D(-3, 1)→ D'(−1,−1)
which function correctly describes the transformation
1. (x,y) → (x+2, y+2)
2. (x,y) → (x +2, y)
3. (x,y) →(x+2, y-2)
4. (x,y) →(x,y -2)
Answer:1
Step-by-step explanation:
Carol says that there is not a fraction greater than 1/2
and less than 3/4. Diane disagrees and gives an example
with a denominator of 16.
?/6
Enter a possible whole number for the numerator in Diane's
fraction.
can someone please do 13 &14
The results for each composite function at each x-value are listed below:
Case 13: (f ° g) (1) = 26 (Right choice: D)
Case 14: (f + g) (3) = 20 (Reight choice: E)
How to evaluate a composite functionIn this problem we find two cases of composite functions that must be evaluated at given x-value. The procedure is described below:
Perform the operations between the two functions.Evaluate the function at given x-value. Mark the right choice.Now we proceed to solve for each case:
Case 1: f(x) = x² + x - 4, g(x) = 3 · x + 2
(f ° g) (x) = [(3 · x + 2)² + (3 · x + 2) - 4]
(f ° g) (1) = [(3 · 1 + 2)² + (3 · 1 + 2) - 4]
(f ° g) (1) = (5² + 5 - 4)
(f ° g) (1) = 26
Case 2: f(x) = x² + x, g(x) = x² - 1
(f + g) (x) = (x² + x) + (x² - 1)
(f + g) (x) = 2 · x² + x - 1
(f + g) (3) = 2 · 3² + 3 - 1
(f + g) (3) = 18 + 3 - 1
(f + g) (3) = 20
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I WILL GIVE BRAINLIST!!! HELP PLS
The evaluated probability that a randomly choosing a point within the circle falls in the red-shaded triangle is 0.30,
To evaluate this probability, we have to calculate the ratio of the area of the red-shaded triangle to the area of the circle.
The area of the circle is derived as πr²
Here,
r = radius of the circle.
In this case, r = 5.
Staging the values
π(5)² = 25π.
So, the area of the circle is 25π.
The area of the red-shaded triangle can be evaluated by using the formula for the area of a triangle which is
[tex]1/2 * base * height[/tex]
In this case, the base is 6 and the height is 8. So, the area of the red-shaded triangle is
1/2 x 6 x 8
= 24.
Hence, the probability that a randomly selected point within the circle falls in the red-shaded triangle is
P = (Area of red-shaded triangle) / (Area of circle)
= 24 / (25π)
= 24 / 25 x 3.14
= 24 / 78.5
≈ 0.30
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The tenth through thirteenth terms of an arithmetic sequence are given by a10=47, a11=53. a12=59, and a13=65. Which formula can be used to find a n?
A. an=6n-13
b. an=6n+37
c. an=6n+41
d. an=6n-47
e, an=6n-7
Answer: e, an=6n-7.
Step-by-step explanation: Any pair of consecutive terms can be used to determine the arithmetic sequence's common difference (d), which can then be used in conjunction with the given term to determine the nth term using the following formula:
an = a1 + (n - 1) d.
Let's use the pair a11=53 and a10=47 to find d:
d = a11 - a10 = 53 - 47 = 6
Now we can use the formula to find any term of the sequence. Let's use the given value of a13=65 to find a13:
a13 = a1 + (13 - 1)d
65 = a1 + 12(6)
65 = a1 + 72
a1 = -7
Therefore, the formula that can be used to find the nth term of the arithmetic sequence is:
an = -7 + (n - 1)6
Simplifying this expression, we get:
an = 6n - 7.