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Law Incorporation [45]
3 years ago
5

The area of the rectangular floor of a shed is 40 space y d squared. The length of the shed is (x+2) yd and the width of the she

d is (x-1) yd. Find the dimensions of the shed. Provide justification for each step. You can use the Sketch tool, or hand-write your algebraic proof, or type your answer. But you need to provide all the steps, with justification for each step, to get credit for this problem.
Mathematics
1 answer:
mel-nik [20]3 years ago
7 0

Answer:

x=3

Step-by-step explanation:

3 squared is 9. 9 plus 2 times 2=22 each of the sides on the angle are 11. 22 plus 22= 44. then 3 -1 equals 2. 44 minus 4 equals 40. equaling the area

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Figure ABCD is rotated by 180 degrees about the origin in the counterclockwise direction to obtain figure A′B′C′D′:
Gemiola [76]

Answer:

Length of AB = Length of C′D′

Length of CD = Length of B′C′

Step-by-step explanation:

Not sure but I think

8 0
3 years ago
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three outn of every five cookies on a cookie tray are oatmeal rasin cookies if there are 45 cookies on the tray predict how many
Elden [556K]
27 are oatmeal raisins, because of 45=5*9 then  3*9=27. You could also do this by doing a chart where I put 5 circles on the side and 9 circles on the top and made a total of 45 circles. Then I colored 3 out of 5 and got 27 colored, or you can just do the multiplication way. 
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3 years ago
What is the value of the expression (−2 4/5)÷(−1.4)
AysviL [449]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
Find the variance of the following data. Round your answer to one decimal place. x 1 2 3 4 5 P(X=x) 0.3 0.2 0.2 0.1 0.2
Reptile [31]

The variance of a distribution is the square of the standard deviation

The variance of the data is 2.2

<h3>How to calculate the variance</h3>

Start by calculating the expected value using:

E(x) = \sum x* P(x)

So, we have:

E(x) = 1 * 0.3 + 2* 0.2 +3 * 0.2 + 4 * 0.1 + 5 * 0.2

This gives

E(x) = 2.7

Next, calculate E(x^2) using:

E(x^2) = \sum x^2* P(x)

So, we have:

E(x^2) = 1^2 * 0.3 + 2^2* 0.2 +3^2 * 0.2 + 4^2 * 0.1 + 5^2 * 0.2

E(x^2) = 9.5

The variance is then calculated as:

Var(x) = E(x^2) - (E(x))^2

So, we have:

Var(x) = 9.5 - 2.7^2

Var(x) = 2.21

Approximate

Var(x) = 2.2

Hence, the variance of the data is 2.2

Read more about variance at:

brainly.com/question/15858152

4 0
2 years ago
Please help me answer this :) I will give Brainlst
azamat

Answer:

From the given graph above

No

It is a not a function

Function has only one output for each input

It does not pass the vertical line test

4 0
3 years ago
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