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Rus_ich [418]
3 years ago
12

I need help please on #7

Mathematics
2 answers:
vredina [299]3 years ago
7 0
X=-4 is the answer for this question
solong [7]3 years ago
4 0

Answer:

x  ≤ - 4

Step-by-step explanation:

7x + 12  ≤ -2x + 4x - 8

7x + 12  ≤ 2x - 8

7x - 2x + 12  ≤ 2x - 2x - 8

5x + 12  ≤ -8

5x + 12 - 12  ≤ - 8 - 12

5x  ≤ - 20

<u>5x  ≤ - 20</u>

5          5

x  ≤ - 4

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Yes you need to send it i did not get it
7 0
3 years ago
Match the items.
RideAnS [48]

Answer:

Step-by-step explanation:

a.4

KL is congruent to MN

b.2

AB is the length of segment AB

c.3

MN=7

d.1

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8 0
3 years ago
I need help ASAP ! Nd plz help me how to show work
Kisachek [45]

Answer:

x = -3

Step-by-step explanation:

y = -x + 2

7x + 4y = -1

Subsitution method: (Substitute y)

7x + 4(-x+2) = -1

Expand.

7x + (-4x + 8) = -1

One plus and one minus make one minus. Two plus makes a plus.

7x -4x + 8 = -1

Simplify.

3x + 8 = -1

Isolate 3x.

3x = -1-8

    = -9

Find x.

x = -9 ÷ 3

  = -3

4 0
3 years ago
What is the y-intercept of a line that has a slope of 1/4 and passes through point (8,3)
exis [7]

Answer:

1

Step-by-step explanation:

Y-y1=m(x-x1)

Y- 3= 1/4(x- 8)

Y-3= 1/4x- 2

Y= 1/4x+1

Y intersept= 1

6 0
3 years ago
"1. Name the line and plane shown in the diagram.
Alinara [238K]
1.  A line is defined with 2 points and the plane is defined with 3 non-colinear points.
Answer: D ) PQ and plane PQS.
2. Opposite rays have the common endpoint ( here: B ) and extend in different directions ( BA and BD ).
Answer: A ) BD.
8 0
3 years ago
Read 2 more answers
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