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Volgvan
3 years ago
5

48/8 = 42/x

Mathematics
1 answer:
Nookie1986 [14]3 years ago
7 0

Answer:

D because 48 ÷ 8 = 6 42 +6 = 7

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What is the solution of the system of equations <br> y =2x - 3
kherson [118]

Answer:

-37/5= y

x=11/5

Step-by-step explanation:

4x-3y=31

-3y=-4x+31 regroup it to match the other

-2 y=(2x-3)(-2) multiply by -2 to get -4x

-3y=-4x+31

-2y=-4x+6 adding

-5y=37 divide

-37/5= y

4x-3(-37/5)=31

x=11/5

7 0
2 years ago
Point Q is the center of dilation. Line segment L M is dilated to created line segment L prime M prime. The length of L Q is 4 a
koban [17]

Answer:

The length of segment QM' = 6

Step-by-step explanation:

Given:

Q is the center of dilation

Pre-image (original image) = segment LM

New image = segment L'M'

The length of LQ = 4

The length of QM = 3

The length of LL' = 4

The original image was dilated with scale factor = 2

QM' = ?

To determine segment QM', first we would draw the diagram obtained from the given information.

Find attached the diagram

When a figure is dilated, we would have similar shape in thus cars similar triangles.

Segment L'M' = scale factor × length of LM

Let LM = x

L'M' = 2x

Using similar triangles theorem, ratio of their corresponding sides are equal.

QM/LM = QM'/L'M'

3/x = QM'/2x

6x = QM' × x

Q'M' = 6

The length of segment QM' = 6

5 0
3 years ago
Read 2 more answers
B. has 15 marbles and he got 123 more marbles add those two numbers and see what the number rounds to.​
olganol [36]

Answer:

100 if rounded to hundreds

140 if rounded to tens

Step-by-step explanation:

7 0
3 years ago
(x - 2)² + 6x – 7 Which of the following is equivalent to
podryga [215]

Answer:

x^2 +2x-3

Step-by-step explanation:

Given

(x - 2)\² + 6x - 7

Required

The equivalent

We have:

(x - 2)\² + 6x - 7

Expand

(x - 2)\² + 6x - 7 = x^2 -2x-2x +4 +6x - 7

Collect like terms

(x - 2)\² + 6x - 7 = x^2 -2x-2x+6x +4  - 7

(x - 2)\² + 6x - 7 = x^2 +2x-3

Hence, the equivalent is:

x^2 +2x-3

6 0
3 years ago
Which expression represents “seventeen more than one-forth y”
Rashid [163]

Answer:

17-1/4y

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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