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2 years ago

8

What is the degree measure of ZJKL?

1 answer:

Aleksandr [31]2 years ago

8 0

3x + 5. What is the degree measure of JKL? ... The measure of angle JKL can be represented using the expression 3x + 5. What is the degree ... 4.9/5. 170. Louli. Virtuoso. 3.2K answers. 18.2M people helped. Answer: ... x = 20. This means that: ∠JKL = 3x + 5 = 3(20) + 5 = 65°. ∠JKM = 45°. ∠MKL = x° ...

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The small submarine is at –1,320 feet in relation to sea level. The submarine needs to be 180 feet below sea level in 60 minutes

alexandr402 [8]

Answer:

The submarine needs to move up, so the rate the submarine needs to move is positive.

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The doubling time of a population of flies is 4 hours. By what factor does the population increase in 24 hours

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An olympic sprinter can run 56 yards in 8 seconds. At the same rate, how long (in seconds) would it take the sprinter to run 81

aniked [119]

Answer:

20,365.7 seconds

Step-by-step explanation:

First, we need to know how to convert yards to miles, as the question is in miles. We know that 1 mile is equivalent to 1760 yards. So we have:

1 mi = 1760 yards

If we multiply both sides by 81:

81 mi = 142,560‬ yards

And we know that the sprinter needs 8 second to run 56 yards:

8 s = 56 yards

If we divide both sides by 56 we get the time he needs for 1 yard:

8/56 s = 56/56 yards

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So, takes him 1/7 seconds to run one yard. At this rate he runs 142,560 yards in:

(1/7) * 142,560 = 20,365.7

So, he needs 20,365.7 seconds to run 81 miles (142,560 yards)

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2 years ago

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asambeis [7]

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2 years ago

Write the ratio as a fraction in simplest form.

vitfil [10]

Answer:

Part 1) $\frac{5}{2}$ or $5:2$

Part 2) $\frac{8}{1}$ or $8:1$

Step-by-step explanation:

Write the ratio as a fraction in simplest form

Part 1) 15 girls to 6 boys

we know that

To find out the ratio, divide the number of girls by the number of boys

so

$\frac{15}{6}$

Simplify

Divide by 3 both numerator and denominator

$\frac{5}{2}\ \frac{girls}{boys}$

Part 2) 24 plays for 3 teams

we know that

To find out the ratio, divide the number of plays by the number of teams

so

$\frac{24}{3}$

Simplify

Divide by 3 both numerator and denominator

$\frac{8}{1}\ \frac{plays}{team}$

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2 years ago