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Naily [24]
2 years ago
5

Solve each system by substitution y=-2x + 7 y = 3x - 13

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
7 0

Answer:

y = -1, x =4

Step-by-step explanation:

3x-`13=-2x+7

x = 4

y=3(4)-13

y = -1

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Find the value of the expression -x+y*z-y when x= -3 ; y= -2 and z=5
Anuta_ua [19.1K]

Answer:

-15

Step-by-step explanation:

-3+-2*5-2=-15

7 0
2 years ago
B = 10 feet area = 35 feet 2 Find the height of the triangle.
Alexandra [31]

Answer:

Height is 7m

Step-by-step explanation:

B = 10 feet area = 35 feet 2 Find the height of the triangle.

Area of triangle = 1/2 b×h

35 = 1/2(10×h)

35 × 2 = 10h

70 = 10h

h = 70/10

h = 7m

8 0
3 years ago
(free points)
asambeis [7]

Answer:

yeah but give the lamp to the homie below me

3 0
2 years ago
Does 4/3 terminate or repeat?
Mars2501 [29]

Step-by-step explanation:

terminate as it had already been simplify

6 0
3 years ago
How do you solve twelve less than the quotient of a number and 7 is -2
Drupady [299]

Remark

One of the things you need to do is learn to read phrase by phrase.

What is the quotient of a number and 7? That meas you have a number, x, and it is divided by 7. What you do that the answer you get is the quotient.

x/7 is what you know so for. Now the first part says you take 12 away from that.

x/7 - 12 is what you have after doing that.

The result you get is - 2

x/7 - 12 = - 2 Add 12 to both sides

x/7 - 12 + 12 = - 2 + 12

x/7 = 10 Now multiply by 7

x = 10 *7

x = 70 <<< Answer the number is 70


6 0
3 years ago
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