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NISA [10]
3 years ago
6

Help please like desperately in need of help

Mathematics
2 answers:
Rus_ich [418]3 years ago
7 0
Answer: 8x^2+2x+3 where ^2 means the 2 is an exponent.
otez555 [7]3 years ago
5 0

Answer: -8x^2 -2x+13

Step-by-step explanation:

group liked terms

-6x^2-2x^2-2x+5+8

Add numbers 5+8=13

-6^2-2x^2-2x+13

add similiar elements -6x^2-2x^2=-8x^2

-8x^2 -2x+13

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Plz help me i dotn know this
miv72 [106K]

Answer:

it's D. I think 105 cubic feet

3 0
4 years ago
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Why is a variable exponent a number plus a variable adds eg: (x)*+(x) =?<br>​
oksano4ka [1.4K]

Answer:

10+10=20

debes  omer bien putasc

3 0
4 years ago
My rule is take a number, double it, add 11, and then subtract 8.
denis23 [38]

Answer: y=2x+2

Step-by-step explanation:

Rule as an expression: 2x+11-8

Simplify: 2x+2

Rewrite as an equation with x (input) and y (output): y=2x+2

8 0
3 years ago
Read 2 more answers
Lexi went shopping before the start of the school year. She spent $8 on new clothes for every $3 she spent on school supplies. P
Schach [20]

Answer:

The answer is $96

Step-by-step explanation:

I just finished this there is a graph with 8 and 3. There are 11 graph boxes in all (you add the boxes/ amount  together to get how much total they are).  8 +3=11. Then you divide 132/11=12. You are looking for clothes, so you multiple 12x8=which equals 96. So she spent $96 on clothes

7 0
3 years ago
Harry needs 21 square meters of fabric for every 6 wizard cloaks he makes.
Natalija [7]

Answer:

next to the seven would be 2 and before the 4 would be 14

Step-by-step explanation

    Find how much fabric it takes to make one cloak, 21/6=3.5

    To find the answer in the second row you see how many times that amount of fabric goes into 7. 7/3.5=2

    To find the answer to the third row multiply the amount of fabric it takes to make one cloak, 3.5, by 4, the amount of cloaks. 3.5x4=14

3 0
3 years ago
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