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Novosadov [1.4K]

3 years ago

15

What two represents quantities that are proportional A.30/36 and 40/46. B.40/48 and 100/120. C.4/9 and 14/19. D. 27/81 and 21/72

please help

1 answer:

lubasha [3.4K]3 years ago

4 0

The answer is 4/9 and 14/19

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Viktor [21]

(2·3.5 + 4·3.25 + 2·1.9 + 1·1.2)·(1 - 0.05) = $23.75

5 0

3 years ago

Solve asap: 3(2y+10)=54<br><br> Within 10 mins pls <br><br> 8th grade

inna [77]

Answer:

y = 4

Step-by-step explanation:

6y + 30 = 54

subtract 30 from each side

6y = 24

divide each side by 6

y = 4

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3 years ago

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Simplify (5x2 + x – 11) – (3x² + 4x – 17)

tatiyna

Answer:

2 x^2 - 3 x + 6

Step-by-step explanation:

Simplify the following:

-(3 x^2 + 4 x - 17) + 5 x^2 + x - 11

-(3 x^2 + 4 x - 17) = -3 x^2 - 4 x + 17:

-3 x^2 - 4 x + 17 + 5 x^2 + x - 11

Grouping like terms, 5 x^2 - 3 x^2 + x - 4 x - 11 + 17 = (5 x^2 - 3 x^2) + (x - 4 x) + (-11 + 17):

(5 x^2 - 3 x^2) + (x - 4 x) + (-11 + 17)

5 x^2 - 3 x^2 = 2 x^2:

2 x^2 + (x - 4 x) + (-11 + 17)

x - 4 x = -3 x:

2 x^2 + -3 x + (-11 + 17)

17 - 11 = 6:

Answer: 2 x^2 - 3 x + 6

3 0

3 years ago

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In triangle ABC, angle A is a right angle and m angle B =45 degrees

Aliun [14]

C does in fact equal 45°

6 0

3 years ago

Brian, Steve, and Rita invested a total of $24,000 in a business. Each person invested the same amount. Unfortunately, in the fi

stellarik [79]

Answer:

Option C: -$1500 is the correct answer.

Step-by-step explanation:

Given that:

Total amount invested in business = $24,000

Loss suffered in first quarter = $4500

As the amount is shared by Brian, Steve and Rita equally, therefore,

Loss of each person = $\frac{Loss}{Number\ of\ people}$

Loss of each person = $\frac{4500}{3} = \$1500$

As loss is defined by decrease in the investment,

Loss of each person = -$1500

Hence,

Option C: -$1500 is the correct answer.

8 0

3 years ago