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3 years ago

Demetrius and Yosef are training for a race.

Mathematics

1 answer:

Lemur [1.5K]3 years ago

8 0

Answer:

Yosef finished the mile in 9 minutes.

Distance = 1 mile

Demetrius' speed = 7.5 miles per hour

Demetrius' time = Distance/speed

= 8 minutes

Demetrius finished the mile first by taking 1 minute less than Yosef's finishing time.

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If p(x) = x2 – 1 and q(x) = 5(x-1) which expression is equivalent to (p – q)(x)?

lilavasa [31]

Answer:

Option C is correct.

The expression which is equivalent to (p-q)(x) is, $x^2 -1 - 5(x-1)$

Step-by-step explanation:

Given: $p(x) = x^2 -1$ and q(x) = 5(x-1)

To find the expression which is equivalent to (p-q)(x):

here p and q both are function assuming;

we can write the expression :

(p-q)(x) = p(x) - q(x) = $x^2 -1 - 5(x-1)$

therefore, the expression which is equivalent to (p-q)(x) is; $x^2 -1 - 5(x-1)$

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RideAnS [48]

Answer:

a=22.6549

Step-by-step explanation:

Calculated based on 2 given angles and 1 given side.

∠C = 180° - A - B = 0.99484 rad = 57°

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b = c·sin(B)/sin(C) = 12.33874

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3 years ago

Doreen lives 3/4 miles from the library. If Sheila lives 1/2 as far away as Doreen, which statement is true?

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Answer:

A. Sheila lives closer to the library

Step-by-step explanation:

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3 years ago

On a bus, there are 5 men, 8 women, 15 boys and 12 girls. Writing in the simplest form, what is the ratio of:

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Answer:

A.5:8

B.8:5

C.5:4

D. 2:3

E.1:8

F.1:1

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The value of V8 is between which two integers? 7 and 9 49 and 81 2 and 3 3 and 4

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$\sqrt{4} < \sqrt{8} < \sqrt{9}$

Thus :

$2 < \sqrt{8} < 3$

So √8 is between 2 and 3 ,

Which means option three is the correct answer.

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