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Stells [14]
3 years ago
11

Please help!! Will mark Brainiest

Mathematics
1 answer:
mixas84 [53]3 years ago
4 0

Answer:

B.

Step-by-step explanation:

If you rearrange the equation in b, you get

y=5(x-3)+15

This means that your f(1) is equal to f(3), or 15, and for each additional month, it increases by 5, which is what the table shows.

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Can somebody help me with this question
Alexus [3.1K]
We start with:

y=2x-15
y=5x

Now, we have a perfectly set-up variable we can get rid of: <em>y.</em>

But we need to make either the top or bottom equation negative, so for simplicity, let's make the bottom one negative.

y=2x-15
(-y)=(-5x)

Now simplify.

-3x-15=0

Add 3x on both sides.

3x=15

Divide by 3 on both sides.

x=5



3 0
3 years ago
Read 2 more answers
The area of a triangle is 16 square units. The base of the triangle is four more than the height of the triangle. What is the ba
sukhopar [10]
Let x=height. then base is x+4. plug what we know into the formula for the area of a triangle

A=½bh

16=½*(x+4)*(x)

32=x²+4x

x²+4x-32=0
(x+8)(x-4)=0
so x can be-8 our 4. when we plug-8 in for x we get a negative height. since a triangle cannot have a negative side length we discard-8 and try 4. height=4 and base=8
8 0
3 years ago
Simplify the expression 17y-2x+3(3x-y)+2x
Marat540 [252]

Answer:

9x+14y

Step-by-step explanation:

First Multiply the number outside of the brackets with the numbers inside the brackets. Ex:3 x 3x and 3 x -y

17y-2x+3(3x-y)+2x

That should get you to this.

17y-2x+9x-3y+2x

Next combine like terms.

14y+9x

Hope this helps!

5 0
3 years ago
HELP!!
cluponka [151]
42 6 7 times is 42 so the answer will be 42
7 0
3 years ago
Read 2 more answers
Evaluate 66 - 20 - 32 1/4
BigorU [14]

Answer:

13.75

Step-by-step explanation:

66-20- 32 1/4

66-20- 32.25

46-32.25

13.75

8 0
3 years ago
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