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saw5 [17]
3 years ago
12

Consider the enlargement of the rectangle. A smaller rectangle with length of x inches and width of three-fifths inch. A larger

rectangle with length of 20 inches and width of 12 inches. Use the proportion to find the missing dimension of the original rectangle. 1. Set up the proportion: StartFraction x over three-fifths EndFraction = StartFraction 20 over 12 EndFraction 2. Use cross products: 12(x) = 20(3 5 ) 3. Simplify: 12x = 4. Divide: x =
Mathematics
2 answers:
Savatey [412]3 years ago
8 0

Answer:

12x= 12

x= 1

Step-by-step explanation:

I got this right

Blizzard [7]3 years ago
5 0

Answer:

its 12 then 1

Step-by-step explanation:

i just did it

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Find the indicated functional value for the floor function: f(-3/2)
alekssr [168]

Answer:

find the indicated functional value for the floor function: f(-3/2)

B. 0

Step-by-step explanation:

hope it helped.

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6 0
3 years ago
A researcher works on a study that has a population standard deviation of 0.73a sample mean of 84.5 and a sample size of 60 .Wha
Firlakuza [10]

Answer:

ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}

The critical value can be founded in the normal standard distribution table using the value of \alpha/2 =0.025 and we got z_{\alpha/2}=1.96. Replacing the info given we got:

ME = 1.96 \frac{0.73}{\sqrt{60}}= 0.185

Step-by-step explanation:

For this case we have the following info given:

\sigma = 0.73 represent the population deviation

\bar X = 84.5 represent the sample mean

n =60 represent the sample size

And we want to find the margin of error for a confidence level of 95%. So then the significance level would be \alpha=1-0.95 = 0.05 and \alpha/2 =0.025. The margin of error is given by:

ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}

The critical value can be founded in the normal standard distribution table using the value of \alpha/2 =0.025 and we got z_{\alpha/2}=1.96. Replacing the info given we got:

ME = 1.96 \frac{0.73}{\sqrt{60}}= 0.185

6 0
4 years ago
The fuse are building a new home one of the bedroom closet has an area of 48 square feet and a perimeter of 32 ft what are the l
olya-2409 [2.1K]

Answer: The length is 12 feet and the width is 4 feet.

Step-by-step explanation:

Let L represent the length of the bedroom closet.

Let W represent the width of the bedroom closet..

The formula for determining the perimeter of a rectangle is expressed as

Perimeter = 2(L + W)

The perimeter of the bedroom closet is 32 ft. This means that

2(L + W) = 32

Dividing through by 2, it becomes

L + W = 32/2

L + W = 16

The area of the bedroom closet is 48 ft². This means that

LW = 48 - - - - - - - -- - - - - - 1

Substituting L = 16 - W into equation 1, it becomes

W(16 - W) = 48

16W - W² = 48

W² - 16W + 48 = 0

W² - 12W - 4W + 48 = 0

W(W - 12) - 4(W - 12) = 0

W - 12 = 0 or W - 4 = 0

W = 12 or W = 4

L = 16 - 4 = 12

3 0
4 years ago
Please help it’s due today
alexandr402 [8]

Answer:

Angle <u>A</u><u> </u>= 15°

use angle properties of triangle to solve this.

7 0
3 years ago
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Harper earned 34.00 babysitting her neighbor. She saved $ 12.50 and spent the rest. How much did Harper spend?
Yuki888 [10]

Answer:

$21.50

Step-by-step explanation:

34.00 - 12.50

5 0
4 years ago
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