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Free_Kalibri [48]
3 years ago
11

What is the sum of: 4x^2+7x-11 and -6x^2-3x+1

Mathematics
1 answer:
Ber [7]3 years ago
7 0

Answer:   two

Step-by-step explanation:  six

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(8x +6) = <br> (8x +6) =<br> 8x=<br> x =
dem82 [27]

Step-by-step explanation:

8x +6° +118° = 180° ( linear pair)

=> 8x = 180°-124°

=> 8x = 56°

=> x = 7°

hope this helps you.

7 0
2 years ago
At Dorthys hair salon, 4 gallons of shampoo will last 3 weeks. She has 7 gallons of shampoo. How much more must she order if she
lara31 [8.8K]
X=number of gallons that she must order.

4 gallons-----------------3 weeks
(7 gallons + x)--------12 weeks

We solve this rule of 3.
(7 gallons +x)3 weeks=4 gallons*12 weeks
21 gallons weeks+3 x weeks=48 gallons weeks
3x weeks=48 gallons weeks - 21 gallons weeks
3x weeks=27 gallons weeks
x=(27 gallons weeks) / 3 weeks=9 gallons.

Solution: she must order 9 gallons more.
5 0
3 years ago
35 + (45+ 25) = (35 +45) +25 which property is this
Dafna1 [17]

Answer:

Associative Property

Step-by-step explanation:

Commutative: 35+(45+25) = (25+45)+35

Associative: 35+(45+25) = (35+45)+25

Distributive: cannot be done

hope this helps!

8 0
3 years ago
Your best friend is really struggling with their math class. You passed the same class last term with an A, so you’ve been helpi
ra1l [238]

Answer:

no

Step-by-step explanation:

you have done your part by helping in their study session,if you help them cheat you will suffer the consequences if he/she is caught,

3 0
1 year ago
Greatest Common Factor (GCF)<br> 1. 12a - 27
Ilya [14]

Answer:

  3

Step-by-step explanation:

The factors of 12a are ...

  2×2×3×a

The factors of 27 are ...

  3×3×3

The only common factor is 3.

_____

  12a -27 = 3(4a -9)

8 0
3 years ago
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