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3 years ago

9

Plsssssssssssssssssss Am asking someone really really need it.

1 answer:

Serjik [45]3 years ago

7 0

Try Photomath; to see if it helps

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If a =3x^2+5x-6 and b =-2x^2 -6x+7 then A - B equals

gizmo_the_mogwai [7]

Answer:

$5x^2+11x-13$

Step-by-step explanation:

$a=3x^2+5x-6\\b=-2x^2-6x+7$

$a-b=(3x^2+5x-6)-(-2x^2-6x+7)=\\3x^2+5x-6+2x^2+6x-7=\\5x^2+11x-13$

Hope this helps!

3 0

3 years ago

Write an expression, using an exponent that is equivalent to 6 x 6 x 6 x 6 x 6.

valentinak56 [21]

Answer:

6^5

Step-by-step explanation:

put the 5 and make it tiny on top of the 6

3 0

2 years ago

Read 2 more answers

Name the property that is illustrated.<br> 1 x 3/4 = 3/4

Tju [1.3M]

Answer:

Associative Property of Addition

5 0

2 years ago

Read 2 more answers

A mom with four children decided she wanted to control how to divide up the amount of Halloween candy collected. She combined al

vesna_86 [32]

Answer:

201

Step-by-step explanation:

6 0

3 years ago

Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.

Kaylis [27]

Answer:

Adults $ 17

Students: $8

Step-by-step explanation:

Adults: x

Students: y

a) 25x + 31y = 673

b) 27x +31y = 707

Elimination:

a) -1(25x + 31y = 673) = -25 -31y = -673

a + b

= (-25 -31y = -673) + (27x + 31y = 707)

= 2x = 34

x = 34/2

x = 17

Substitution a or b:

a) 25(17) + 31y = 673

425 + 31y = 673

31y = 673 - 425

31y = 248

y = 248/31

y = 8

3 0

2 years ago