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goldfiish [28.3K]
3 years ago
10

Determine the intercepts of the line. y = -2x – 21 c-intercept: y-intercept:

Mathematics
2 answers:
lilavasa [31]3 years ago
6 0

Answer:

x-intercept = -6

Step-by-step explanation:

DanielleElmas [232]3 years ago
3 0

Answer:

x-intercept = -6

<h2>y-intercept = -21</h2>

Step-by-step explanation:

x - intercept is for y = 0

y - intercept is for x = 0.

We have y = -2x - 21.

Substitute:

x = 0 → y = -2(0) - 12 = 0 - 12 = -12

y = 0 → 0 = -2x - 12          <em>add 2x to both sides</em>

2x = -12         <em>divide both sides by 2</em>

x = -6

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Please help im stuck .-_-.
fredd [130]

Answer:

y = 4

Step-by-step explanation:

y/16 = 5/20 = 2/8

y/16 = 1/4 = 1/4

4 0
2 years ago
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What is the domain of this function?
krok68 [10]

A. {-1,3,5}

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3 years ago
An angle measures 67.2° less than the measure of a supplementary angle. What is the measure of each angle?
arlik [135]
Two supplementary angles always adds up to 180 degrees. If an angle is 67.2 degrees less than the measure of a supplementary angle, an equation can be formed where "A" represents the larger angle, and (A - 67.2) represents the smaller angle.

(A - 67.2)+A=180

(Combine the A's)

2A - 67.2=180

(Add 67.2 to both sides)

2A = 247.2

(Divide by 2 to both sides)

A = 123.6

123.6 degrees is the larger angle.

The smaller angle is represented by (A - 67.2). We now know the value of A so lets plug it in. (123.6 - 67.2) = 56.4. 56.4 is the value of the smaller angle.

We can double check to make sure we got the right answer.

123.6 + 56.4 = 180
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If the difference of two numbers is even then so is their sum.
Nutka1998 [239]

Answer and explanation:

Statement - If the difference of two numbers is even then so is their sum.

Let the two even numbers be '2m' and '2n' with m and n are integers.

The difference of two number is

2m-2n=2(m-n)

Now, The sum of the numbers is

2m+2n=2(m+n)

Let m+n=k where k is an integer

Then, 2m+2n=2k which is also an even number as 2 is multiplied with it.

So, If the difference of two numbers is even then so is their sum.

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Let two even number 2 and 4.

The difference is 4-2=2, 2 is even.

The sum is 4+2=6, 6 is even.

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3 years ago
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