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2 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics

1 answer:

Doss [256]2 years ago

7 0

Answer:

the answer s 6 and seventh squared so it's a 7 on the top of the 6

Step-by-step explanation:

first what your do is decide 6'5 and 6'2 and you would get 6'3. so just multiply 6'3 and 6'4 and you should get 6'7

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A number increased by 4 is the same as 19 minus 2 times the number

ElenaW [278]

Hello from MrBillDoesMath!

Answer:

n = 5

Discussion:

Let the original number be "n" Translating the problem statement to mathematical symbolism:

n + 4 = 19 - 2n => add 2n to both sides

n + 2n + 4 = 19 - 2n + 2n => combine like terms

3n + 4 = 19 => subtract 4 from both sides

3n = 19 -4 = 15 => divide both sides by 3

n = 15/3 =5

Check: Does 5 +4 = 19 - 2(5)? Does 9 = 9? Yes. so the value for n is confirmed correct.

Thank you,

MrB

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3 years ago

Which city did Miss Hill move to with her new husband?

zubka84 [21]

Miss Hill moved to Chicago.
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3 years ago

Side length of cube with volume of 729 ft

navik [9.2K]

The answer is 9, hope this helped <3

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3 years ago

What is the answer to 3x+y=12

maw [93]

Simplifying 3x + -1y = 12 Solving 3x + -1y = 12 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'y' to each side of the equation. 3x + -1y + y = 12 + y Combine like terms: -1y + y = 0 3x + 0 = 12 + y 3x = 12 + y Divide each side by '3'. x = 4 + 0.3333333333y Simplifying x = 4 + 0.3333333333y

3 0

3 years ago

*Please I need help quickly* Approximate the mean of the frequency distribution for the ages of the residents of a town.

Cerrena [4.2K]

Answer:

The mean age of the frequency distribution for the ages of the residents of a town is 43 years.

Step-by-step explanation:

We are given with the following frequency distribution below;

Age Frequency (f) X $X \times f$

0 - 9 30 4.5 135

10 - 19 32 14.5 464

20 - 29 12 24.5 294

30 - 39 20 34.5 690

40 - 49 25 44.5 1112.5

50 - 59 53 54.5 2888.5

60 - 69 49 64.5 3160.5

70 - 79 13 74.5 968.5

80 - 89 8 84.5 676

Total 242 10389

Now, the mean of the frequency distribution is given by the following formula;

Mean = $\frac{\sum X \times f}{\sum f}$

= $\frac{10389}{242}$ = 42.9 ≈ 43 approx.

Hence, the mean age of the frequency distribution for the ages of the residents of a town is 43 years.

5 0

3 years ago

Read 2 more answers