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marishachu [46]
2 years ago
10

HELP PlZ WILL GIVE BRAINLIST

Mathematics
2 answers:
Harrizon [31]2 years ago
8 0

Answer: c= -1.69

Step-by-step explanation:

I used calculator

pav-90 [236]2 years ago
3 0
C = -1.69

I did the math on paper lol
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The length of a rectangular swimming pool is twice as long as its width. If the perimeter of the pool is
Nitella [24]

The perimeter of a rectangle is the sum of its sides, which are two widths and two lengths:

p=w+w+l+l

Since the length is twice the width, we have l=2w, and the formula for the perimeter becomes

p=w+w+2w+2w=6w

So, we have

6w=120 \iff w=\dfrac{120}{6}=20

4 0
3 years ago
What is the inverse of the function f(x) = 2x – 10?
Lana71 [14]

Answer:

h(x)=\dfrac{x}{2}+5

Step-by-step explanation:

You are given the function f(x)=2x-10. To find the inverse function f^{-1}(x) do such steps:

1. Rewrite the function f(x) as

y=2x-10

2. Express x in terms of y:

y+10=2x\\ \\x=\dfrac{y}{2}+5

3. Change x into y and y into x:

y=\dfrac{x}{2}+5

Now, the inverse function is

f^{-1}(x)=\dfrac{x}{2}+5

7 0
3 years ago
Read 2 more answers
Iris weighed 5 large watermelons from her garden. Here are the weights in pounds. 17,11,21,24,22 what is the mean weight
Rufina [12.5K]

Answer:

Mean weight = 19 pounds

Step-by-step explanation:

From the question given above, the following data were obtained:

17, 11, 21, 24, 22

Number of data (n) = 5

Mean weight =?

The mean of a set of data is the value obtained by adding all the data together and dividing the result obtained by the total number of data. Thus, the mean can be obtained as follow:

Summation of data = 17+ 11 + 21 + 24 + 22

= 95

Number of data = 5

Mean = Summation of data / Number of data

Mean = 95 / 5

Mean weight = 19 pounds

Therefore, the mean weight of the data is 19 pounds

5 0
3 years ago
Can someone help me pls thanks
patriot [66]

If 4600 corresponds with 100, multiply 4600 by .09 and you get 414.

Also:

46 * 9 = 414

5 0
3 years ago
If f (x) = 3, what is the value of f (-7)<br><br> A. x -10<br> B. 3<br> C. -4<br> D. -21
Gemiola [76]

Answer:

D

Step-by-step explanation:

3*(-7)=(-21)

7 0
3 years ago
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