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3 years ago

6

PLEASE HELP WILL MARK AS BRAINIEST!!!!!!!!!!

2 answers:

Airida [17]3 years ago

7 0

Group up the like terms and combine them

2x^2 and -7x^2 add up to -5x^2

6x and 2x add up to 8x

1 and -3 add up to -2

We end up with -5x^2 + 8x - 2

<h3>Answer: Choice B</h3>

PIT_PIT [208]3 years ago

3 0

your missing the exponent but

B

Step-by-step explanation:

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Which one is equivalent what’s the work that goes with it? i’m very confused

Elenna [48]

Answer:

0.8r

Step-by-step explanation:

r - 0.2r

= 1r - 0.2r ← factor out r from each term

= r(1 - 0.2)

= r × 0.8

= 0.8r

5 0

2 years ago

Express your answer in scientific notation:<br> 8.8 * 10^7 + 3.1 * 10.8 =

Sindrei [870]

8.80000334
×
10
7
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7 0

2 years ago

Laura's piano teacher estimated that her monthly piano practice should take her 4 3/4 hours per week. Laura said that last week

GREYUIT [131]

Answer:

432

Step-by-step explanation:

60 minutes is one hour

60 times 4=240

=240+192=432

5 0

2 years ago

Read 2 more answers

Will mark brainliest PLEASE HELP!!! 20 points

Fudgin [204]

Answer:

B. reflected across tge x axis

3 0

3 years ago

Read 2 more answers

Ede4ka [16]

Answer:

Step-by-step explanation:

Sum of all three angle in a triangle=180

Given angles are 35°,45°

Let the remaining angle =x

So 35 +45+X=180

X=180-80

X=100°

Remaining angle =X=100° is the answer

3 0

3 years ago