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liubo4ka [24]
3 years ago
15

Please answer this giving brainliest and 20 points. If you say something weird i will make sure you get banned.

Mathematics
1 answer:
Katena32 [7]3 years ago
3 0

Answer:

C. The value of a is the number that the x-values are multiplied by to get to the corresponding y-values. So, a = 3.

Step-by-step explanation:

Given the points (5, 15) and (-5, -15) are plotted using the equation y = a•x, this shows a proportional relationship between y and x.

Thus using any of the points, say (5, 15), x = 5, and y = 15, thus:

a = y/x = 15/5

a = 3

Therefore, the value of a, which is 3, is the number that the x-values, 5 and -5, are multiplied by to get the corresponding y-values, 15 and -15.

As we can see, if we multiply each of the x-values by 3, it will give us their corresponding y-values.

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Suzie simplified the following expression. What mistake did she make? 2(3 + 9x) - 2x 6 + 9x - 2x 6 + 7x
Levart [38]

2(3 + 9x) - 2x

= 6 + 9x - 2x <----------------mistake right here

= 6 + 7x

Correct:

Expanding by using distributive property

2(3 + 9x) - 2x

= 2* 3 + 2 * 9x - 2x

= 6 + 18x - 2x

= 6 + 16x


3 0
3 years ago
24x+7=79<br> help? have to get x by itself, right?
andrey2020 [161]
24x + 7=79
subtract 7 from both sides
24x + 7 - 7= 79 - 7
24x= 72
divide both sides by 24
x= 3

CHECK:
24x + 7= 79
24(3) + 7= 79
72 + 7= 79
79= 79

ANSWER: x= 3

Hope this helps! :)
4 0
3 years ago
Are -3.5 and -14/4 the same value? plzzz i need helpppp
mafiozo [28]

Answer: Yes, they both equal -7/2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
2x - 2 = x-5<br> I’ll give 35 points plz help
tino4ka555 [31]

Answer:

x = -3

Step-by-step explanation:

2x-x=-5+2

x = -3

8 0
3 years ago
What are m∠1 and m∠2?
zaharov [31]

Answer:

B. <1 = 35, m<2 = 30

Step-by-step explanation:

To figure out m<1 I first need to figure out the other missing angle. A straight line is a 180 degree angle. Taking that information you can do 180 - 115. This means that the missing angle is 65 degrees. The interior angles of triangles always add up to 180.

80 + 65 = 145

180 - 145 = 35

<1 = 35

Repeat with the other side.

85 + 65 = 150

180 - 150 = 30

<2 = 30

Hope this helps!

5 0
1 year ago
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