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3 years ago

Find the circumference and the area of a circle with radius 5mm.

Mathematics

1 answer:

Archy [21]3 years ago

8 0

Answer: 31.4 mm

Step-by-step explanation:

C=2πr

2(3.14)(5)

2(15.7)

31.4

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What is an equation of the line perpendicular to y = -x -2 and through (-2, 4)

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Answer:

I'm not sure but I think it's 0y = - x + 6

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3 years ago

Simplify negative square root of 72

STatiana [176]

Answer: -6√2

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1 year ago

7. Susie bought some reams of paper for 5 each and a $200 printer. He spent a minimal of $450. write and solve an equation to fi

Dovator [93]

Answer:

$450-200÷5=the number of reams of paper Susie purchased.

Step-by-step explanation:

$450-$200=$250

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Therefore, Susie purchased 50 reams of paper

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3 years ago

8. Lesly took a test with 30 questions. The ratio of correct answers to incorrect answers

Firlakuza [10]

Lesly got 14 answers correctly.

Let the correct answers be C.

Let the incorrect answers be I.

Given the following data:

Total number of questions = 30 questions.

Ratio of C to I = 7 : 8

C to I = 7 + 8 = 15

To find the number of answers she got correctly;

$C = \frac{7}{15}$ × $30$

$C = 7$ × $2$

Correct answers, C = 14 answers

Therefore, Lesly got 14 answers correctly.

4 0

2 years ago

What is the slope of a line that passes through (–4,–13) and (19,11)?

Anna11 [10]

For points (x1,y1) and (x2,y2)
slope=(y1-y2)/(x1-x2)

(-4,-13)
(19,11)
x1=-4
y1=-13
x2=19
y2=11

slope=(-13-11)/(-4-19)=-24/-23=24/23
B is answer

5 0

3 years ago

Read 2 more answers