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4 years ago

14

Approximately what area does the sandpaper cover ignoring the center hole? (Use 3.14 for .)

1 answer:

enot [183]4 years ago

4 0

I believe it is 38.465in^2

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stich3 [128]

Answer: About 10 ft.

Use Pythagorean's Theorem!

c= $\sqrt{9^2+3^2}$

9 * 9 = 81

3 * 3 = 9

81 + 9 = 90

$\sqrt{90\\}$ = 3 $\sqrt{10}$ ≈ 10 ft.

3 0

3 years ago

tensa zangetsu [6.8K]

probably this would help.

7 0

3 years ago

Find the value of the length x rounded to 1 DP.

ivanzaharov [21]

Answer:

x = 13.6 cm

Step-by-step explanation:

part A:

using tan rule:

$tan(x) = \frac{opposite}{adjacent}$

$tan(39) = \frac{6}{adjacent}$

$adjacent = \frac{6}{tan(39)}$

$adjacent = 7.41$

part B:

using tan rule:

$tan(x) = \frac{opposite}{adjacent}$

$tan(44) = \frac{6}{adjacent}$

$adjacent = 6.213$

Total length of x:

part A + part B

$7.41 + 6.213$

$13.6$ cm

6 0

2 years ago

Read 2 more answers

Jared took a math quiz last week he got 12 out of 16 problems correct which percentage did Jared get correct

Talja [164]

Answer:

75%

Step-by-step explanation:

12/16=3/4=75%

8 0

3 years ago

Read 2 more answers

A bag contains five Green marbles three blue marbles and to red marbles what is the probability of picking a blue

Yanka [14]

Answer:

5/10 or 1/2

Step-by-step explanation:

5 0

3 years ago