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Colt1911 [192]
3 years ago
6

Let v = 9. What is the value of r in the equation r = 3 × v + 13?

Mathematics
1 answer:
daser333 [38]3 years ago
8 0
<span>r = 3 × v + 13
</span><span>r = 3 × 9 + 13
</span><span>r = 27 + 13
v = 40</span>
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10 POINTS!! HELP ASAP!! What is the length of AC?
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Answer:

D

Step-by-step explanation:

Δ CED and Δ CAB are similar thus the ratios of corresponding sides are equal, that is

\frac{CE}{CA} = \frac{ED}{AB} , substitute values

\frac{x}{156-x} = \frac{7}{84} = \frac{1}{12} ( cross- multiply )

12x = 156 - x ( add x to both sides )

13x = 156 ( divide both sides by 13 )

x = 12

Thus

AC = 156 - x = 156 - 12 = 144 → D

4 0
3 years ago
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You run one lap around a mile track every 8 minutes. Your friend runs around the same track every 10 minutes. You both start at
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Answer:

Step-by-step explanation:

first runs n+1 laps

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so (n+1)8=10n

10n=8n+8

10n-8n=8

2n=8

n=8/2=4

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4 laps=4 miles

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4 years ago
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Reva is playing a bean-bag toss game. For each bag that misses the board, the player scores -8 points. Reva misses the board 4 t
erica [24]

Answer:

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Step-by-step explanation:

Since there is no detailed information given about the game or the total tosses in the question, i will assume that the game is concluded when each player has had 4 tosses.

Considering the information that Reva missed the board 4 times out of her total 4 tosses in the game and each miss results in -8 points, her total score for those 4 tosses should be -8x4 = -32.

I hope this answer helps.

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3 years ago
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3 years ago
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Answer:

<h2>0</h2>

Step-by-step explanation:

Given,

-  \frac{2}{3}

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Multiplying a positive and negative equals a negative

( + ) \times ( - ) = ( - )

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Hope this helps..

best regards!!

7 0
3 years ago
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