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olga nikolaevna [1]
3 years ago
6

The area of a rectangle is 45 sq ft. its perimeter is 36 ft. Find the length and width.

Mathematics
2 answers:
mr_godi [17]3 years ago
8 0
You have to divide 36 and 2
ivann1987 [24]3 years ago
8 0
3 ft for length and 2.5

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11. please help me outt ill mark you brainlist !
alex41 [277]
I’m not positive, but I think the answer is C because when you look at the big triangle, it looks like you divide each coordinate by 3 (or multiply it by 1/3) to get the small triangle.

e.g. 6 * 1/3 = 2, 3 * 1/3 = 1
8 0
3 years ago
Write the following word phase as a mathematical equation. The sum of 7 and twice a number, squared.
agasfer [191]

Answer:

(7+(2n))^2

You don't technically need the ( ) around the 2n, but I included them to avoid confusion.

4 0
3 years ago
Suppose that you work for the child social services agency in your county. Your job is to investigate instances of possible chil
True [87]

Answer:

Null hypothesis: ∪ =  No possible child abuse or neglect

Alternative hypothesis: Uₐ = Possible child abuse or neglect

Step-by-step explanation:

Null hypothesis: ∪ =  No possible child abuse or neglect

Alternative hypothesis: Uₐ = Possible child abuse or neglect

A type I error occurs when you reject the null hypothesis when it is true. In this situation, a type I error occurs when you conclude on possible child neglect or abuse and place the child in protective custody

A type II error occurs when you accept the null hypothesis when it is false. In this instance, a type II error occurs when you conclude on no possible child abuse or neglect when there is and fail to remove the child from the home.

In this case, the type II error is the more serious error. Failure to remove the child when there is possible child abuse or neglect will lead to more detrimental effect. Although, the type I error is also serious, it is not so detrimental as the type II error.

5 0
3 years ago
If sv=38, su=26, and the perimeter of SUV is 102, what is the value of RU?
Finger [1]

Answer:

38

Step-by-step explanation:

Let SUV be a triangle

Perimeter of SUV = SU+SV + UV

102 = 38 + 26 + UV

102 = 64 + UV

UV = 102 - 64

UV = 38

Hence the length of UV is 38

8 0
2 years ago
The formula for the perimeter of a rectangle is . What is the length of the unknown side of the rectangle below, if the perimete
Troyanec [42]

Answer:

Step-by-step explanation:

P=2l+2w

28=2l+2w

2l=2w-28

l = (2w-28)/2

l =2(w-14)/2

l = w-14

7 0
3 years ago
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