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siniylev [52]
3 years ago
10

What is the equation of a line that passes through points (0, 4) and (-4, -8)?

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0
The answer is D. you know that the equation must end in +4 as the yintercept is at four (y=4 when x=0)
then you can work out that it is 3x because when x changes by -4, y changes by -12, which is three times as much.
Hope this makes sense!
Fed [463]3 years ago
6 0
Slope = (-8 - 4)/(-4 -0) = -12/-4 = 3

y-intercept so b = 4

equation: y = 3x + 4

answer: <span>C. y = 3x + 4</span>
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Please help me i know this might take a while but plz my teacher be buggin <br> Due today
trasher [3.6K]

Answer:

5) Part A: The rate of change, also known as the slope, is the "0.6x" part of the equation. It means that for every week the puppy is alive, x, that number is multiplied by 0.6 pounds.

Part B: The y-intercept is 4 pounds, which represents a puppy being 4 pounds at birth.

Part C: y = 0.6x + 4

y = 0.6(8)+4

y = 8.8

At 8 weeks, a puppy is estimated to be 8.8 pounds.

Part D: y = 0.6x + 4

22 = 0.6 + 4

-4              -4

18 = 0.6x

18/0.6 = 0.6x/0.6

30 = x

It would take a puppy 30 weeks to reach 22 pounds.

8 0
3 years ago
Determine triangle type
nika2105 [10]

Answer:

isosceles acute

Step-by-step explanation:

two same sides so it is isosceles and all angles under 90 so acute

4 0
3 years ago
Read 2 more answers
Find the value of x to the nearest tenth.<br> tan 34° = 20
Likurg_2 [28]

Answer:

The value of x = 13.5.

Step-by-step explanation:

<u>In this question x is missing.</u>

<u>So, the question would be:</u>

<u>tan 34° = x/20.</u>

Now, to find the value of x:

tan 34 = \frac{x}{20}

\frac{x}{20} = tan 34

Multiplying both sides by 20 we get:

x=tan 34\times 20

On simplifying both sides we get:

x=13.49

So, to get the value of x=13.49 to nearest tenth is 13.5. As we see in hundredth place it is 9 and 4 in tenth place, so after rounding to tenth place 4 will change to 5 so the value is 13.5.

Therefore, the value of x = 13.5.

7 0
3 years ago
Three classes. Of third graders are going to the zoo. Ms. Noels class has 10 students. Mr. Grubbs class has 9 students, and Ms.
liq [111]

Answer:

If the children divide evenly onto 3 buses, there will be 11 children on each bus

Step-by-step explanation:

Add all 3 classes to ind total amount of students

Ms. Noels class has 10 students

Mr. Grubbs class has 9 students

Ms. Ackerman's class has 14 students

<u>Total Students:</u> 10 students + 9 students + 14 students

33 total students

Dividing 33 students in 3 busses is 33 / 3 which equals 11

4 0
2 years ago
Which of the numbered stones shown cannot be mapped to another with a rigid motion?​
Andreas93 [3]

Answer:

7,8,11,12,13,14

8 0
2 years ago
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