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shusha [124]
3 years ago
6

I NEED HELP ON THIS ONE TO

Mathematics
2 answers:
mario62 [17]3 years ago
6 0

Answer:

Step-by-step explanation:

3+<u>y</u>+6

y=5

Plug in <u>5</u> for y

3+<u>5</u>+6= 14

lora16 [44]3 years ago
5 0

Answer:

Its 9

Step-by-step explanation:

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What is absolute value?
pochemuha

Answer:

Absolute value means the distance between a number and 0.

Examples:

The absolute value of -7 is 7.

The absolute value of 5 is 5.

Key Concepts:

The absolute value sign is |x|, where x is any real number.

The absolute value removes any negative sign in front of a number.

8 0
3 years ago
Read 2 more answers
-17xy + 5x - (-25xy) - 5x
poizon [28]

-17xy+5x-(-25xy)-5x=-17xy+5x+25xy-5x\\\\\text{combine like terms}\\\\=(-17xy+25xy)+(5x-5x)=8xy

3 0
3 years ago
Helpppp
Novay_Z [31]

Answer:

a) 3x - 6x^2y + 2xy - 2x

b) 4x^2 <u>- 3y </u>+ 2x <u>+ 7y</u>

Step-by-step explanation:

Like terms is when the terms are the same.

For example, 3x and -2x would be like terms (both have x).

Not like terms would be 4x^2 and +2x (one is just an x and the other is x^2).

7 0
2 years ago
A jeweler works with two kinds of metals, the first contains
Darina [25.2K]

Answer:

The TI-84 Plus Silver Edition is powered by four AAA alkaline batteries (not included) , with an automatic shutoff to save energy.

Step-by-step explanation:

6 0
2 years ago
Gina has 1200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed ar
Alekssandra [29.7K]
We know the perimeter formula would be 1200=2x+2y. And the area will be A=x*y
We can to take the derivative of the area formula to find where it is a max but we must first substitute something in from the first formula so we only have one variable.

1200-2x=2y
600-x=y

A=(x)*(600-x)
A=600x-x^2

Now we take the derivative:
A'=600-2x (set equal to 0 and solve)
0=600-2x
2x=600
x=300 

Then when we plug this into the perimeter formula, we can solve for y
1200=2x+2y
1200=2(300)+2y
1200=600+2y
600=2y
y=300

So both the length and width are 300 yards, and the area would be 90,000 square yards

Hope this helps
8 0
3 years ago
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