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3 years ago

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Answer this question pls

1 answer:

Molodets [167]3 years ago

4 0

I don’t see a question attached unfortunately

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Please help!! Been trying for so long the way my teacher taught it, but cannot get right answer.

Rama09 [41]

River C : 200 + x
River D: x

200 + x + x = 5,540
combine like terms

200 + 2x = 5,540
subtract 200 from both sides

2x = 5,340
divide both sides by 2 to isolate the variable

x = 2, 670

River C: 200 + x = 200 + 2,670 = 2,870
River D: x = 2,670

2,870 + 2,670 = 5,540

5 0

3 years ago

-2 1/3 - (-5) = []<br><br> A. 2 2/3<br> B. 3 1/3<br> C. 3 2/3<br> D. -7 1/3

iren [92.7K]

Answer:

$2 \ \frac{2}{3}$

Step-by-step explanation:

$−2 \frac{1}{3} −(−5) \\ =− \frac{7}{3} −(−5) \\ = \frac{ - 7}{3} −(−5) \\ = \frac{8}{3} \\ =2 \ \frac{2}{3}$

7 0

2 years ago

Read 2 more answers

Emily has $3.15 worth of dimes and quarters. She has twice as many dimes as quarters. Determine the number of dimes and the numb

Cerrena [4.2K]

Answer:

The number of dimes is <u>14</u> and the number of quarters is <u>7</u>.

Step-by-step explanation:

Given:

Emily has $3.15 worth of dimes and quarters.

<em><u>She has twice as many dimes as quarters.</u></em>

Now, to determine the number of dimes and the number of quarters.

Let the number of quarters be $x.$

And the number of dimes be $2x.$

So, the total worth of dimes and quarters = $3.15.

Now, to get the number of dimes and quarters:

According to question:

$0.10(2x)+0.25x=3.15$

$0.20x+0.25x=3.15$

$0.45x=3.15$

<em>Dividing both sides by 0.45 we get:</em>

$x=7.$

<em>Thus, the number of quarters</em> = 7.

<em>So, the number of dimes</em> = $2x=2\times 7=14.$

Therefore, the number of dimes is 14 and the number of quarters is 7.

6 0

3 years ago

100 points, PLEASE HELP MEEE

masha68 [24]

Answer:

b = 3a

Step-by-step explanation:

a = < - 1, 3 >

b = < - 3, 9 >

Thus

b = 3a

7 0

2 years ago

9. Jacob makes $10 for every lawn he mows, m. He owes his<br> brother $20.

Over [174]

Answer:

If jacob is broke then he needs to mow 2 lawns for $20 to pay his brother back.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers