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olchik [2.2K]
3 years ago
9

Answers for 4 please.

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0
A-false
B-true
C-true
D - true
zheka24 [161]3 years ago
4 0
A = false
b = true
c = true
d = true
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What is the equation of the line shown in the graph?
postnew [5]

The slope-intercept form:

y=mx+b

m - slope

b - y-intercept

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-3, 1) and (2, -4). Substitute:

m=\dfrac{-4-1}{2-(-3)}=\dfrac{-5}{5}=-1

Therefore we have the equation of a line

y=-1x+b\to y=-x+b

Put the coordinates of the point (-3, 1) to the equation:

1=-(-3)+b

1=3+b      <em>subtract 3 from both sides</em>

-2=b\to b=-2

<h3>Answer: y = -x - 2</h3>
4 0
3 years ago
5 - (x + 5) &gt; -2(x+4)
Vinil7 [7]

Answer:

5-(1+5)= -1

 -2(1+4)=-10

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How many solutions does this equation have? -3 – 7t = -7t - 3
nignag [31]

Answer:

3)infinitely many solution

Step-by-step explanation:

-3 - 7t = -7t - 3

-7t + 7t = -3 + 3

0 = 0

if there is same number on both side it have infinitely many solution.

hope u like it ‍❤️‍❤️‍‍❤️‍

for any question comment me

3 0
3 years ago
Please help solve with steps
serg [7]

Answer:

6 6/11, 6.547, 131/20, 6.77.

Step-by-step explanation:

First convert to decimal values.

131/20 = 6.55

6.77

6 6/11 = 6.54545

6.547

7 0
3 years ago
On the same graph draw line 2y-x=10 and y=3x​
Luba_88 [7]

Answer:

Step-by-step explanation:

7 0
2 years ago
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