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vichka [17]
4 years ago
11

I NEED HELP IM IN CLASS RN PLEASEE HELP! WILL GIVE BRIANLIEST!

Mathematics
1 answer:
fgiga [73]4 years ago
4 0

Answer:

y=x+12

Step-by-step explanation:

Well the slope is -4/-4 =1

We plug it into the formula, y=mx+b, but m=1

So it is y=1x+b

We know the points, so we plug y and x in which is:

-4=-4*4+b

-4=-16+b

b=12

So the point slope form of that is y=x+12

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50 Points:
Bond [772]

The answer to this would be C because you can multiply everything by 3 and still have a consistent-dependent system.

6 0
3 years ago
Match the phenomenal expression on the left with the simplified version on the right
nalin [4]

Given the polynomial expression:

(y + 5)²

(y - 5)(y + 5)

Let's simplify each of the given expression:

a.) (y + 5)²

The given equation is a factor of a perfect square trinomial. For this type of expression, the following is the formula for expanding it.

\text{ (a+b)}^2\text{ = }a^2\text{ + 2ab + }b^2

We get,

\mleft(y+5\mright)^2=(y)^2+2(y)(5)+(5)^2(y+5)^2=y^2+10y+25

b.) (y - 5)(y + 5)

To be able to simplify the following expression. We will be using the formula for the difference of two squares.

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

We get,

\mleft(y-5\mright)\mleft(y+5\mright)=(y)^2-(5)^2(y-5)(y+5)=y^2-25^{}

8 0
1 year ago
An elevator travels 310 feet in 10 seconds at that speed how far can this elevator travel
frez [133]

Answer:

1,860 per minute and 111,600 per hour

6 0
3 years ago
Which of the following is NOT a rational number?
Tatiana [17]

Answer:

D

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
PLEASE HELP! FIRST TO ANSWER AND I'LL MATK YOU BRAINLIEST! I MEAN IT"S ONLY 7TH GRADE MATH!!!!!!
Travka [436]
Speed= distance/time

= 1110/15
= 74 feet per second
3 0
3 years ago
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