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marshall27 [118]
3 years ago
5

the sum of three numbers is 30. twice the first minus the second is 3 less than the third. the third us the second minus three t

imes the first. find the numbers
Mathematics
1 answer:
EleoNora [17]3 years ago
7 0
8,72,18 is this what your looking for
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Jeff bought 15 granola bars for $30. How much does it cost per granola bar? $
Natali5045456 [20]

Answer:

Each granola bar costs $2

Step-by-step explanation:

per granola bar= $30/15=$2

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What is the sum of the polynomials?<br> (7x^3– 4x^2) + (2x^3 +3x)
DaniilM [7]

Answer:

sum of the polynomials is 9 x^{3} - 4 x^{2} +3x

Step-by-step explanation:

Given polynomial is (7 x^3– 4 x^2) + (2 x^3 +3 x)

adding x^3 terms, now we get

(7+2)x^3-4 x^2+3 x

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Black_prince [1.1K]
The triangle of height 5 units and base 7 units will be as follows:

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A set of data has the trend line modeled by the equation Y =1.5x + 11. What value of X corresponds to y =56?
erica [24]

Answer:

x = 30

Step-by-step explanation:

Plug in 56 in place of  y, then solve for x.

56 = 1.5x + 11

Subtract 11.

45 = 1.5x

Divide both sides by 1.5.

45/1.5 = x

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3x-5(x-5)= -4+2x+1<br><br> Can someone help me out plzzzz
dusya [7]

Answer:

7

Step-by-step explanation:

So basically first distribute the -5 to the stuff in the parenthesis and then solve.

Hope I helped!! :)

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3 years ago
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