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Mashutka [201]
3 years ago
11

A gallon of paint will cover 144 square feet of floor space. What are the dimensions of the largest square floor that the gallon

of paint will cover?
Please Helppppp I will make u brainliest
Mathematics
1 answer:
Mkey [24]3 years ago
8 0
You want the largest SQUARE floor then both of the sides have to be the same. Since one gallon can cover up 144 square feet, to work out the dimensions you have to find the square root of 144 which is 12. So the largest square floor it can cover has dimensions 12x12 feet.
Hope this helped :)
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EFGH is a parallelogram. Find the measure of EG.
gayaneshka [121]

Answer: 64

Step-by-step explanation:

If EFGH is a parallelogram, its diagonals bisect each other meaning EJ and JG are congruent.

EJ = JG

4w + 4 = 2w + 18

Subtract 2w from both sides

2w + 4 = 18

Subtract 4 from both sides

2w = 14

Divide both sides by 2

w = 7

EG = EJ + JG

EG = 4w + 4 + 2w + 18

EG = 6w + 22

Now that we know what 'w' is, we can substitute it for 7

EG = 6 (7) + 22

EG = 42 + 22 = 64

The measure of EG is 64.

Hope that helped!

7 0
3 years ago
A store can buy 3 pairs of shorts for $10 . How much would the store pay for a dozen
FromTheMoon [43]

Answer:

$40

Step-by-step explanation:

12 ÷ 3 = 4

4 × 10 = 40

So, the answer is $40.

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4 0
3 years ago
Please answer correctly !!!!! Will mark brainliest !!!!!!!!
Vesna [10]

Answer:

k(-7) = = -89

Step-by-step explanation:

k(t) = 10t -19

Let t = -7

k(-7) = 10*-7 -19

      = -70-19

      = -89

7 0
3 years ago
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Which of these is a unit of density?<br> Please help.
katen-ka-za [31]

Answer:

I think is C.

Step-by-step explanation:

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7 0
3 years ago
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Use the standard normal distribution or the​ t-distribution to construct a 99​% confidence interval for the population mean. Jus
vichka [17]

Answer:

(25.732,30.868)

Step-by-step explanation:

Given that in a random sample of 42 ​people, the mean body mass index​ (BMI) was 28.3 and the standard deviation was 6.09.

Since only sample std deviation is known we can use only t distribution

Std error = \frac{s}{\sqrt{n} } =\frac{6.09}{\sqrt{42} } \\=0.9397

df = 42-1 =41

t critical for 99% two tailed = 2.733

Margin of error= 2.733*0.9397=2.568

Confidence interval lower bound = 28.3-2.568=25.732

Upper bound = 28.3+2.568=30.868

3 0
3 years ago
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