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fredd [130]
2 years ago
9

The sum of three numbers is 67. The third number is 2 times the first. The first number is 5 more than the second. What are the

numbers?
Mathematics
1 answer:
Vaselesa [24]2 years ago
3 0

Answer:

1. 18 2. 13 3. 36

Step-by-step explanation:

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Simplify the expression 8x-2x+12x-3
aev [14]

Answer:

18x - 3

Step-by-step explanation:

Add all the X values

8x + -2x + 12x = 18x

Put the final numbers on the side.

-3

18x-3

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3 years ago
On the following number line, point C represents the integer -1. Identify the integer that each of the other letters represent.
ivolga24 [154]

Answer:

If point C represents -1, then each space is 1 unit.

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D=2

E=9

Let me know if this helps!

3 0
2 years ago
2(3 – 8y)
Hoochie [10]

Answer:

21

Step-by-step explanation:

7 0
2 years ago
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A large mixing tank currently contains 350 gallons of water, into which 10 pounds of sugar have been mixed. A tap will open, pou
Marysya12 [62]

Answer

Let t be number of minutes since tap is opened

water is increased by 20 gallons of water per minute.

sugar increase rate of 3 pounds per minute

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sugar :- S(t) = 10 + 3 t

concentration

C(t) = \dfrac{S(t)}{W(t)}

at t = 15 minutes

C(15) = \dfrac{S(15)}{W(15)}

C(15) = \dfrac{10 + 3\times 15 }{350 + 10\times 15}

C(15) = 0.11

at beginning t = 0 minutes

C(0) = \dfrac{S(0)}{W(0)}

C(0) = \dfrac{10 + 3\times 0}{350 + 10\times 0}

C(0) = 0.0286

C(15) > C(0)

hence, concentration is increasing as time is passing.

3 0
3 years ago
What is the value of the expression? - 16+ 12 <br>A. -28 <br>B. -4 <br>C. 4<br>D. 28​
mixer [17]

Answer:

B.  -4

Step-by-step explanation:

-16 + 12 = -4

7 0
3 years ago
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