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Alinara [238K]
3 years ago
6

A line that has a slope of 1/3 and passes through the point (-9,5)

Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:

y = \frac{1}{3}x + 8

Step-by-step explanation:

using the slope-intercept formula, u have this so far as an equation (just knowing the slope): y = \frac{1}{3}x + b

To find the y-intercept, substitute in the values of the coordinates given to solve for b:

y = \frac{1}{3}x + b\\5 = \frac{1}{3}(-9) + b\\5 = -3 + b\\8 = b

so u can just put 8 into your slope-intercept formula (y = \frac{1}{3}x + 8) and that's it! hope this helps!

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Amy has 630 stickers that are organized into 42 packs. She plans to give 3 packs to her friends. How many stickers is she giving
elena-14-01-66 [18.8K]

Answer:

45 stickers

Step-by-step explanation:

630/42 = 15 (represents the number of stickers in each pack)

Since there ar 3 packs, we multiply 15 by 3.

3 x 15 = 45

45 stickers.

tadah!

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2 years ago
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3 years ago
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lana [24]

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5 0
3 years ago
Find the square. (1/4A + 1/4B)^2<br><br> a) 1/16A^2 + 1/8AB + 1/16B^2<br> b) 1/4A^2 + 1/8AB + 1/4B^2
alisha [4.7K]

(a + b)^2 = a^2 + 2ab + b^2

(\dfrac{1}{4}A + \dfrac{1}{4}B)^2 =

= \dfrac{1}{16}A^2 + \dfrac{1}{8}AB + \dfrac{1}{16}B^2

Answer: A.

Another way to solve by factoring 1/4.

(\dfrac{1}{4}A + \dfrac{1}{4}B)^2 =

= [\dfrac{1}{4}(A + B)]^2

= (\dfrac{1}{4})^2(A + B)^2

= \dfrac{1}{16}(A^2 + 2AB + B^2)

= \dfrac{1}{16}A^2 + \dfrac{1}{16}2AB + \dfrac{1}{16}B)^2

= \dfrac{1}{16}A^2 + \dfrac{1}{8}AB + \dfrac{1}{16}B)^2

6 0
3 years ago
Read 2 more answers
Line l has a slope of 98. The line through which of the following pair of points is perpendicular to l?
zysi [14]

m =( Y2 - Y1)/ (X2-X1)

m =( 3-(-5))/ (-6-3)

m = - 8/9

I am assuming you meant a slope of 9/8 in your original question, so the points perpendicular to I are answer D.


Perpendicular means the slope is opposite reciprocal of your first slope given.



8 0
3 years ago
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