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sasho [114]
4 years ago
7

I need help with this question ASAP!

Mathematics
1 answer:
erastovalidia [21]4 years ago
3 0

Answer:

A= 92.4

Step-by-Step Answer

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Simplify the product. write (x + 2)(x − 5) in standard form. Show your work
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Answer:

x^2-3x-10

Step-by-step explanation:

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The height of a right circular cylinder is 1.5 times the radius of the base. What is the ratio of the total surface area to the
Naily [24]

Let r represent the radius of cylinder.

We have been given that the height of a right circular cylinder is 1.5 times the radius of the base. So the height of the cylinder would be 1.5r.

We will use lateral surface area of pyramid to solve our given problem.

LSA=2\pi r h, where,

LSA = Lateral surface area of pyramid,

r = Radius,

h = height.

Upon substituting our given values in above formula, we will get:

LSA=2\pi r\cdot (1.5)r  

Now we will find the total surface area of cylinder.

TSA=2\pi r(r+h)

TSA=2\pi r(r+1.5r)

TSA=2\pi r(2.5r)

\frac{TSA}{LSA}=\frac{2\pi r(2.5r)}{2\pi r(1.5r)}

\frac{TSA}{LSA}=\frac{2.5r}{1.5r}

\frac{TSA}{LSA}=\frac{25}{15}

\frac{TSA}{LSA}=\frac{5}{3}

Therefore, the ratio of total surface area to lateral surface area is 5:3.

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3 years ago
Below is the graph of a trigonometric function. It has a maximum point at (-5pi/4,6.7) and an amplitude
iren [92.7K]

We have been given that the maximum point at the graph of a trigonometric function is (-\frac{5\pi}{4},6.7) and amplitude of the function is 4.1. We are asked to find the mid-line of the given function.

We will use mid-line formula to solve our given problem.

\text{Mid-line value}=\text{Maximum value}-\text{Amplitude}

Upon substituting our given values in above formula, we will get:

\text{Mid-line value}=6.7-4.1

\text{Mid-line value}=2.6

Therefore, the mid-line of the given function would be y=2.6.

8 0
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What is Hiroshi's mistake?
natka813 [3]

Answer:

His mistake is that he didn't multiply it -18 to the negative sign correctly. The negative sign and -18 have to multiply which turns -18 to a positive 18.

Step-by-step explanation:

-15-(-18)=-15 +(-18)

-15+18= -15 -18

3=33

no solution

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The table shows the results of a class survey about pets. Suppose 53 students were surveyed About how many students have one pet
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Where is this so called table, its helpful with the question
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