Helen is building a rectangular garden in her backyard and she wants to have a fence around it.The perimeter of her garden is 20 yards. She is buying wood fence panels that cost $2 per foot. How many feet of fence panels does she need

Answers

Answer 1

Answer:

Based on the calculations, Helen needs to buy 60 feet of fence panels for her rectangular garden in the backyard

How many feet of fence panels does she need

From the question, we have the following parameters that can be used in our computation:

The perimeter of her garden is 20 yards.
She is buying wood fence panels that cost $2 per foot

This means that

Perimeter = 20 yards

By metrric unit of conversion, we have

1 yard = 3 feet

So, we have

Perimeter = 20 * 3 feet

Evaluate

Perimeter = 60 feet

Hence, she needs to buy 60 feet of fence panels

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I have a 1.5% chance of winning when spinning a roulette. Approximately how many times would I have to spin the roulette to win?

Answers

Answer:

66-67 times

Step-by-step explanation:

i would go with 67

you just divide 1.5 by a 100

In Triangle EFG, the measure of G=90°, the measure of F=47°,and GE = 50 feet. Find the length of EF to the nearest tenth
of a foot.

Answers

Answer:

73.3

Step-by-step explanation:

Using the SOH CAH TOA identity

EF = hypotenuse= x

FG = opposite

GE = adjacent = 50feet

Cos 47 = adj/hyp

Cos 47 = 50/x

x = 50/cos47

x = 50/0.6819

x = 73.32

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Find an explicit solution (solved for y) of the given initial-value problem in terms of an integral function. dy/dx + 3y = e^x^5, y(2) = 5.

Answers

Answer:

Step-by-step explanation:

Using linear differential equation method:

\frac{\mathrm{d} y}{\mathrm{d} x}+3y=e^5^x

I.F.= $e^{\int {Q} \, dx }$

I.F.= $e^{\int {3} \, dx }$

I.F.= $e^(3x)$

y(x)= $(1)/(e^(3x))[\int {e^(5x)} \, dx+c]$

y(x)= $(e^(2x))/(5)+e^(-3x)* c$

substituting x=2

c= $(25-e^4)/(5e^(-6))$

Now

y= $(e^(2x))/(5)+e^(-3x)* (25-e^4)/(5e^(-6))$

A function is described by the following ordered pairs: (7, 4.5) (–4, 7.2) (–7.2, –4) (5.2, 3) Which set of ordered pairs represents the inverse of the function? (7, –4), (–7.2, –4), (3, 5.2), (4.5, –4) (7, –4), (–7.2, 5.2), (4.5, 7.2), (–4, 3) (4.5, 7), (7.2, –4), (–4, –7.2), (3, 5.2) (7, 4.5), (–4, 7.2), (–7.2, –4), (5.2, 3)

Answers

Answer: (4,5,7) ,(7.2,-4),(-4,-7.2),(3,5.2)

Step-by-step explanation:

Answer:

it's C

Step-by-step explanation:

Although the earth's orbit about the sun is elliptical, the average distance from the earth to the sun is approximately 93 million miles. It takes the earth 365.25 days to make one complete revolution around the sun. What is the linear speed of the earth, in miles per day, as it travels around the sun? A. Approximately 1.6 million miles per day
B. Approximately 255,000 miles per day
C. Approximately 501,000 miles per day
D. None of these