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erma4kov [3.2K]
3 years ago
8

Wat es 9+8 am grad to

Mathematics
1 answer:
inna [77]3 years ago
4 0

Answer:

17 tkrnfuebdkrheejshdhfd

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7. Bill and Steve both owe their mother money. Bill owes his mother $300 and plans
Free_Kalibri [48]

Answer:

5 weeks

$175

Step-by-step explanation:

Bill owes his mother $300 and plans to pay her $25 every week.

Therefore, after w weeks he has to give her mother more C = 300 - 25w, amount of money.

Steve owes his mother $550 and plans to pay her  $75 every week.

Therefore, after w weeks he has to give her mother more C = 550 - 75w, amount of money.

If after w weeks they both will owe their mother the same amount of money, then  

300 - 25w = 550 - 75w

⇒ w = 5 weeks. (Answer)

Now, the amount of money will be $(300 - 25 × 5) = $175. (Answer)

4 0
3 years ago
Given the equation square root of quantity 2x plus 8 end quantity equals 6, solve for x and identify if it is an extraneous solu
Alex_Xolod [135]

Answer:

Solution: x = 6

Step-by-step explanation:

Given equation is:

\sqrt{2x+8}=6

In order to solve the equation both sides will be squared

(\sqrt{2x+8})^{2} = (6)^2 \\2x+8 = 36\\2x = 36-8\\2x = 28\\x = 14

Verifying the solution

\sqrt{2(14)+8} = 6\\ \sqrt{28+8} = 6\\\sqrt{36} = 6\\6 = 6

3 0
3 years ago
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Equation~ 5b + (2b - 4) + (3b -6)= 180.
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3 years ago
PLEASE HELP! Write a numerical expression involving division in which the first step in evaluating the expression is addition. D
Tanzania [10]
4/(1+3) or \frac{4}{1+3}

Addition is the first step for two reasons.
1) the Order of Operations requires you do operations in parentheses first
2) the division cannot be performed until you know what you're dividing
8 0
3 years ago
Find the mean,median,mode.and range of the data set:12,15,17,16,10
ZanzabumX [31]

Answer:

Mean: 14

Median: 15

Mode: All values appear just once

Range: 7

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3 years ago
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