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kari74 [83]
2 years ago
6

Solve????????????????

Mathematics
2 answers:
egoroff_w [7]2 years ago
8 0

Answer:

The answer is -3/10

Step-by-step explanation:

-3/4 × 2/5

-3 × 2/4 × 5

-6/20 = -3/10

Thus, The answer is -3/10

<u>-TheUnknownScientist</u><u> 72</u>

slava [35]2 years ago
6 0

Answer:

-6/20 or -3/10

Step-by-step explanation:

If you're multiplying fractions, you always multiply straight across.

First, we'll multiply the numerators first. -3 multiplied by positive 2 equals -6.

Next, we'll multiply the denominators, 4 and 5. 4 multiplied by 5 is 20

Then, after multiplying the numerators and denominators, you'll get -6/20. You'll notice that <u>-6/20 isn't in simplest form</u> so we'll simplify it. -6 and 20 are <u>both even numbers so 2 is a common factor </u>so we'll multply both numbers by 2. <u>-6 divided by 2 is -3 and 20 divided by 2 is 10. </u>

The answer is -3/10

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A catalog of scientific equipment states that the lens of a particular telescope has a circumference of 6.28 yards. What is the
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The area of lens is 3.14 square yards.

Step-by-step explanation:

Given,

Circumference of lens = 6.28 yards

Circumference = 2πr

6.28=2*3.14*r\\6.28=6.28r\\6.28r=6.28

Dividing both sides by 6.28

\frac{6.28r}{6.28}=\frac{6.28}{6.28}\\r=1

Area of lens = πr²

Area of lens = 3.14*(1)^2=3.14*1

Area of lens = 3.14 square yards

The area of lens is 3.14 square yards.

Keywords: area, circumference

Learn more about area at:

  • brainly.com/question/10414011
  • brainly.com/question/10483199

#LearnwithBrainly

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Step-by-step explanation:

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