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2 years ago

13 less than 8 times a number is the same as the number plus 1

Mathematics

1 answer:

aliya0001 [1]2 years ago

7 0

8x - 13 = x + 1
Solve for x
Add 13
8x = x + 14
Subtract x
7x = 14, x = 2
Answer: the number is 2

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Complete the solution of the equation fine the value of y when x = 9 3x+4y=43

Mekhanik [1.2K]

3(9)=27
27+4Y=43
subtract 27 from both sides
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devide both sides by 4
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3 years ago

What percent of a dollar is a nickel and a penny? It is ______% of a dollar.

TiliK225 [7]

Answer:

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3 years ago

1. 4x– 15 = 17 - 4x+10x Help?

Nadya [2.5K]

Answer:

x=-16

Step-by-step explanation:

4x– 15 = 17 - 4x+10x

4x+4x-10x = 17+15

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x=-16

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3 years ago

Point Q is the center of dilation. Lines segment S U is dilated to form line segment S prime U prime. The length of Q S is 3 .2

tia_tia [17]

Answer:

Option C.

Step-by-step explanation:

It is given that the dilation rule is $D_{Q,2.5}$ . It means the center of dilatation is point Q and scale factor is 2.5.

Scale factor is the ratio of distance from center to the image of a point and distance from center to the corresponding point.

$\text{Scale factor}=\dfrac{QU'}{QU}$

It is given that QU=4 and scale factor = 2.5.

$2.5=\dfrac{QU'}{4}$

Multiply both sides by 4.

$2.5\times 4=QU'$

$10=QU'$

We know that

$UU'=QU'-QU$

$UU'=10-4$

$UU'=6$

The distance between U' and U is 6 units.

Therefore, the correct option is C.

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3 years ago

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