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3 years ago

When can you combine Like Terms to simplify an expression?

Mathematics

2 answers:

umka21 [38]3 years ago

8 0

Answer:

Like terms are combined in algebraic expression so that the result of the expression can be calculated with ease. For example, 7xy + 6y + 6xy is an algebraic equation whose terms are 7xy and 6xy. Therefore, this expression can be simplified by combining like terms as 7xy + 6xy + 6y = 13xy + y.

Step-by-step explanation:

i dont exactly know if this will help

True [87]3 years ago

6 0

Answer:

you find the numbers that are similar like 90+4x=180 + 12x and you subtract or multiply,add or divide. i hope this helps!!!

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How Important Is Regular Exercise? In a recent poll1 of 1000 American adults, the number saying that exercise is an important pa

Elza [17]

Answer:

Step-by-step explanation:

Given that in a recent poll 1 of 1000 American adults, the number saying that exercise is an important part of daily life was 753.

Sample proportion = $\frac{753}{1000} =0.753$

To find 90% confidence interval we must find std error of proportion first

As per central limit theorem, sample proportion will follow a normal distribution with mean = 0.753

Std error of proportion= $\sqrt{0.753*0.247/1000} \\=0.01363$

90% Z critical value = 1.645

Margin of error = 1.645*0.01363 = 0.0224

Confidence interval lower bound = 0.753-0.0224=0.731

Upper bound = 0.775

6 0

4 years ago

an airline experiences a no show rate of 6%. what is the maximum number of reservations that it could accept for a flight with a

Alborosie

168 passengers because 168*95%=159.6

Therefore 168 passengers would have to book the flight

7 0

3 years ago

Resolute academy algebra 1

zzz [600]

Answer:

C. 2(x + 10)(x - 10)

Step-by-step explanation:

$2x^2-200\\2(x^2-100)\\2(x+10)(x-10)$

7 0

3 years ago

The Earth has a mass of about 6 x 10^24 kg. Neptune has a mass of 1.8 x 10^27kg. How many times bigger is Neptune than Earth

elena-s [515]

Answer:

300 times bigger.

Step-by-step explanation:

That would be (1.8 * 10^27 ) / (6 * 10^24)

= 0.3 * (10^27/10^24)

= 0.3 * 10^3

= 3 * 10^2

= 300.

5 0

3 years ago

QUESTION 10

alexandr402 [8]

Answer:

let the grade points be a,b,c

a+b+c=258

b=c+10( since she noticed that on tests two and three,she scored 10 points fewer).

3 0

3 years ago

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