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Amiraneli [1.4K]
3 years ago
7

Which equation describes a linear function

Mathematics
1 answer:
yarga [219]3 years ago
8 0

Answer:

This may be y=mx+b

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Which relation is a function?( click all that apply)
weeeeeb [17]
A, B, D are functions.
(First, second, and fourth response)
You can see which is function since for everyone input only has one value. You can also use the vertical line test.
7 0
2 years ago
What is an equation in slope-intercept form of the line that passes through the points (−2, −2) and (1, 7)? A.y = 4x + 3 B.y − 7
antoniya [11.8K]

Answer:

C.y = 3x + 4

Step-by-step explanation:

We have two points, so we can find the slope

m = (y2-y1)/ (x2-x1)

   = (7--2)/ (1--2)

   = (7+2)/(1+2)

    = 9/3

    =3

The slope is 3

We can find the point slope form of the line

y-y1 = m(x-x1)

y-7 = 3(x-1)

Distribute

y-7 =3x-3

Add 7 to each side

y-7+7 = 3x-3+7

y = 3x+4

This is in slope intercept form (y=mx+b)

8 0
3 years ago
A ladder leaning against a building makes an angle of 65 degrees with the ground and reaches a point on the building 20 feet abo
lesya692 [45]
22 feet. Using the sine rule theory: 20/sin(65)=x/sin(90). You know that it's 90 degrees because you assume the ground and the building make a 90 degree angle. So, you cross multiply and get 20sin(90)/xsin(65) and solve for x.
5 0
3 years ago
Lao wrote the number 85 on the board is 85 prime or composite explain
ELEN [110]

85 is composite because it can be divided by 5 and 17

4 0
3 years ago
Read 2 more answers
Please help me find the answer to this problem
andriy [413]

Answer:

13.5

Step-by-step explanation:

6 + 3 = 9

9 × 3 = 27

27 ÷ 2 = 13.5

brainliest?

5 0
3 years ago
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