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3 years ago

Can someone help me please

Mathematics

1 answer:

Lelechka [254]3 years ago

6 0

Answer:

Step-by-step explanation:

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Suppose Clara has a collection of old CDs. If the diameter of a CD measures about 12 centimeters, approximate the circumference

Strike441 [17]

Answer:

The circumference of the CD is approximately 38 cm

Step-by-step explanation:

The circumference of the CD can be seen as the distance around the CD.

The word "circumference" is used to describe the perimeter of circular objects.

To find an approximate value of the circumference of the CD, we will use this formula.

Circumference = π × diameter

let us take π to be = 3.142

∴ circumference = 3.142 × 12 = 37.6991 cm

we can round this up to teh nearest tenth as 38cm

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3 years ago

Consider the equation 43 - 5 (2x + 1) = ax + b.

Trava [24]

Answer:

Step-by-step explanation:

4 0

3 years ago

Given two points M & N on the coordinate plane, find the slope of MN , and state the slope of the line perpendicular to MN .

telo118 [61]

Answer:

Problem 1) $m = \dfrac{1}{4}$ $slope_{perpendicular} = -4$

Problem 2) $m = \dfrac{1}{3}$ $slope_{perpendicular} = -3$

Step-by-step explanation:

$slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$slope_{perpendicular} = \dfrac{-1}{m}$

Problem 1) M(9,6), N(1,4)

$slope = m = \dfrac{6 - 4}{9 - 1} = \dfrac{2}{8} = \dfrac{1}{4}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{4}} = -4$

Problem 2) M(-2,2), N(4,-4)

$slope = m = \dfrac{4 - 2}{4 - (-2)} = \dfrac{2}{6} = \dfrac{1}{3}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{3}} = -3$

4 0

3 years ago

Share 200 in the ratio 3:1:4

irakobra [83]

Answer:

75:25:100

Step-by-step explanation:

8 0

3 years ago

Can you please help me with this thank you so much

polet [3.4K]

Just add 303.28+295.73 and you will get $599.01 as your answer!!! I hope this helps!!!

7 0

4 years ago