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3 years ago

M A. 59 B. 31 C. 149 D. 62

Mathematics

1 answer:

lbvjy [14]3 years ago

4 0

I think The answer is a.59

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Will a 9/32 inch diameter pin fit into a reamed hole with a diameter of 0.278 inch? (Do not round off your answer and express it

ollegr [7]

Answer:

9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

Step-by-step explanation:

Diameter of reamed hole = 0.278 inch

Radius of reamed hole = $\frac{0.278}{2} =0.139$

Surface area of reamed hole = $\pi r^2$

Surface area of reamed hole = $3.14 \times (0.139)^2$

Surface area of reamed hole = 0.06066794

Diameter of pin = $\frac{9}{32}$

Radius of pin = $\frac{9}{64}$

Surface area of pin = $\pi r^2 = 3.14 \times ( \frac{9}{64})^2=0.0620$

Since the surface area of pin is more than the surface area of hole .

So, a 9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

7 0

3 years ago

One Mural is 12 by28 the other is 12 by 32 what is the total area

bagirrra123 [75]

12x28=336 12x32=384 336+384=720 square^2

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3 years ago

Shau-uen solve the equation 18.5w+6.5w-2.8w=149.1 Her work is shown below

Ghella [55]

The answer is

C.- step 3

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3 years ago

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What is the value of the expression n(8n/10) when n = 5?

erastovalidia [21]

Answer:

(8n/10)

8 × 5 = 40

40 ÷ 10 = 4

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2 years ago

How do you find the scale factor of two triangles, 0.3 and 2.4?

bagirrra123 [75]

Divide the larger one by the smaller one. 2.4 divided by 0.3 gives you 8. That means the scale factor is 8, or the larger triangle is 8 times larger than the smaller. We can prove this by multiplying 0.3 by 8 and getting 2.4

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3 years ago