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4 years ago

Can anyone help me solve this problem im not good at facorting

Mathematics

1 answer:

Nitella [24]4 years ago

5 0

Answer:

w(w+13)+42

Step-by-step explanation:

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What does this equal too

GREYUIT [131]

10/24.

If you find the LCM of the denominators, you change the denominators to that, then take the LCM / denominator and multiply the numerator by that, making 18/24 and - 8/24. subtract with the numerators: 18 - 8 = 10. the result is 10/24

4 0

4 years ago

A group of students calculated their average score at a spelling bee. They realized that if one of them scored 9 more points, th

alukav5142 [94]

Answer: There are 4 students in the group.

Step-by-step explanation:

Let the number of students in the group be n

If one of them scored 9 more points , their average score would be 81 points.

So, our equation (1) will be

$\frac{\sum x+9}{n}=81\\\\\sum x+9=81n$

Similarly,

If one of them scored 3 points less, their average score would be 78 points.

So, our equation (2) will be

$\frac{\sum x-3}{n}=78\\\\\sum x-3=78n$

So, from equation (1) and (2) we get:

$81n-9=\sum x=78n+3\\\\81n-9=78n+3\\\\81n-78n=3+9\\\\3n=12\\\\n=\frac{12}{3}\\\\n=4$

Hence, there are 4 students in the group.

8 0

4 years ago

What is the prime factorization for 170

alisha [4.7K]

$170=10*17=5*2*17$

4 0

3 years ago

Read 2 more answers

14. The population of a city is growing at a continuous

yuradex [85]

Answer: hmm okay this is gonna be a hard one

Step-by-step explanation:

and muptiy 8,745 x 15 = 131,175 and the secret in to round so your answer will be B :D

i may be wrong !!

7 0

2 years ago

What is the greatest common factor of 20 and 40

frozen [14]

The GCF is 20 because 20 goes into 40, and of course 20 goes into 20.

5 0

3 years ago

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