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nexus9112 [7]
3 years ago
15

20 POINTS 20 POINTS. Will give Brainliest.

Mathematics
2 answers:
Simora [160]3 years ago
8 0

Answer:

using y=mx+c

C=7

y=8

x= -4

we're looking for m

8=-4m +7

1= -4m

m= -1/4

kari74 [83]3 years ago
8 0

Step-by-step explanation:

Find the Equation of a Line Given That You Know a Point on the Line And Its Slope. The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept.

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3) Let h(x)= |2x|-4. Find h(x) when x = -7.<br> a) -10<br> b) 10<br> c) -13<br> d) 13
svlad2 [7]

Answer:

h(x) = 10

Step-by-step explanation:

Given

h(x) = |2x| - 4

x = -7

Find h(x)

Substitute -7 for x

h(x) = |2*-7| - 4

h(x) = |-14| - 4

Absolute values return positive. So:

h(x) = 14 - 4

h(x) = 10

8 0
3 years ago
2) PLS HELP ASAP!!!
Oksi-84 [34.3K]

Answer:

Last one:  Symmetric with respect to the y-axis

Step-by-step explanation:

About the Y-AXIS

because  think about using a few points  x = -2, x = -1 , x = 1, x = 2

notice that  2*(-2)^4  =  2 *(2)^4

and 2*(-1)^4 = 2*(1)^4

8 0
3 years ago
A triangle has side lengths of 15 10 and 7 is it a right triangle
lions [1.4K]

Answer:

No, it is not a right triangle.

Step-by-step explanation:

Given:

The sides of the triangle =  15 10 and 7

To Find:

Whether the triangle is a right triangle = ?

Solution:

According to Pythagorean theorem , In an right triangle the the sum of the squares of the two smaller sides must equal to the square of the larger side

a^2 +b^2 =c^2\\

where

a and b are the smaller sides

c is the larger side

Now from the given data, lets assume

a = 10 and b =7 and c =15

Substituting in the above equation we get,

(10)^2 +(7)^2 = (15)^2

100 + 49 = 225

149 = 225

149 \neq 225

So, the given triangle is not a right triangle.

7 0
3 years ago
0.729 rounded by the nearest tenth
katrin [286]
0.7 is rounded to the tenth place
4 0
3 years ago
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Maybe after the dog walked the street
5 0
3 years ago
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