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Elza [17]
2 years ago
14

Someone pls help I need it for a test

Mathematics
2 answers:
r-ruslan [8.4K]2 years ago
5 0

Answer: hope this will help you

Step-by-step explanation:

Can you mark me as brainlist plz

ch4aika [34]2 years ago
4 0

Answer:

The answer is A

Step-by-step explanation:

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What is the approximate circumference of a circle that has a radius of 6 units? Round your answer to the nearest tenth.
Angelina_Jolie [31]

Answer:

37.7 units²

Step-by-step explanation:

the formula for circumference of a circle is πr²

π x 6² = 37.69 ≈37.7²

8 0
2 years ago
Working at home: According to the U.S Census Bureau, 41% of men who worked at home were college graduates. In a sample of 506 wo
sergejj [24]

Solution :

a). The point estimate of proportion of college graduates among women who work at home,

$\hat p =\frac{166}{506}$

  = 0.3281

99.5% confidence interval

$=\left( \hat p \pm Z_{0.005/2} \sqrt{\frac{\hat p (1- \hat p)}{n}} \right)$

$=\left( 0.3281 \pm 2.81 \sqrt{\frac{0.3281 \times  (1- 0.3281)}{506}} \right)$

$=(0.3281 \pm 0.0586)$

$=(0.2695, 0.3867)$

6 0
3 years ago
Students are voting on a color T-shirt to wear on there field trip. There are 160 students-65 boys and 95 girls-going on the fie
densk [106]
Yeah ok so what’s the question
3 0
3 years ago
I need help with 7-12
Anton [14]
7). C

8). 60
n = 5(10) + 10
n = 50 + 10
n = 60

9). 17
f(x) = -2x + 7 plug the -5 in for x
f(x) = -2(-5) + 7
= 10 + 7
= 17

10).
28.50j < 100 > 18.50s
8 0
3 years ago
A blueprint for a house has a scale of 1:10. A wall in the blueprint is 8 in. What is the length of the actual wall?
SashulF [63]
You can remove your cofusion regarding wall in the blue print whether to be cosidered in inch or ft , be sure, it has to be in inches to be considered , with the scale of 1: 10 and specific mention of length of the wall 8 in , we have to cosider length of wall : 8 inch x 10 inch / 1 scale = 80 inches ( and not 80 ft ) , and in terms of ft it would be = 80 inches / 12 inches per ft = 6.6666 ft
8 0
3 years ago
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