MATHEMATICS MIDDLE SCHOOL

Which of the following equations results in no solutions?A 3(u + 5) = 2u + 15
B 3(u + 5) = 2u + 15 + u
C 3(u + 5) = 2u - 4 + u
D 3(u + 5) = 2u - 4
need help please

Answers

Answer 1
Answer: It will be B because Problem A,C,D is wrong not Problem B

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Shelley compared the number of oak trees to the number of maple trees. she counted 9 maple trees to every 5 oak trees in the beginning of the year. at the end of the year,the new ratio of the number of maple tree to the number of oak trees is 3:11. at the end of the year,there were 132 oak trees . how many more maple tree were then in the beginning of the year than the end of the year? explain
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Diana is painting statues.She has 7/8 of a gallon remaining.Each statue requires 1/16 of a gallon of paint. How many statues can she paint? -Explain

Answers

we know that

Each statue requires 1/16 of a gallon of paint

so

by proportion

Find how many statues can she paint with 7/8 of a gallon of paint

(1)/((1/16)) (statue)/(gallons) =(x)/((7/8)) (statue)/(gallons) \n \n x=((7/8))/((1/16)) \n \nx=7*16/8 \n \nx=14\ statues

therefore

the answer is

14\ statues
7/8 is equal to 14/16; so if one statue requires 1/16 gal. of paint, she has enough to paint 14 statues.

What is 0.55 as a mixed number

Answers

If you would like to convert 0.55 into a fraction or a mixed number, you can do this using the following two steps:

0.55 equals to 55/100
55/100 simplifies to 11/20

The result is 11/20 (this is not a mixed number, because mixed numbers can be made from numbers greater than 1 and 0.55 is less than 1).

Ed spent 8.5% of his savings on lunch, which cost $5.25. How much did he have in savings before lunch?

Answers

$61.76 because you divide 100% by 8.5 then multiply the answer by 5.25... hopethat helped ;)
100 ÷ 8.5= 11.7647058824 then 11.7647058824 × 5.25= 61.7647058824 and round to 61.76
$61.76 because you divide 100% by 8.5 then multiply the answer by 5.25.

Steven earns extra money babysitting. He charges $31.25 for 5 hours and $50 for 8 hours explain why the relationship between how much Steven charges and time is a proportional relationship.

Answers

The relationship between the amount of money Steven charges and the time he spends babysitting is proportional because the hourly rate remains constant.

What is the proportional relationship?

A proportional relationship between two variables means that the ratio of the two variables is constant. In other words, if the independent variable (time in this case) increases, the dependent variable (the amount of money Steven charges) will increase proportionally.

In this situation, we can see that the relationship between the amount of money Steven charges and the time he spends babysitting is proportional because the rate of change between the two variables is constant.

For example, Steven charges $31.25 for 5 hours, so his hourly rate is $31.25/5 = $6.25/hour.

And he charges $50 for 8 hours, so his hourly rate is $50/8 = $6.25/hour.

Since the hourly rate remains constant, the relationship between the amount of money Steven charges and the time he spends babysitting is proportional.

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You should divide $31.25 by 5 and $50 by 8 and then see how the realationship are similar

If Fernando paid $450 for a notebook that was 75% of the original price, what was the original price?

Answers

450➗75✖100= 600.The original price was $600

Final answer:

The original price of the notebook that Fernando paid for was $600. This is calculated by dividing the discount price of $450 by 0.75.

Explanation:

The question is about calculating the original price of an item from a given discount price. If $450 represents 75% of the original price, we can set up an equation to solve for the original price.

The equation can be set up as follows: 0.75x = $450.

To solve for x, which is the original price, we need to divide $450 by 0.75.

The calculation will be as follows: $450/0.75 equals $600, which is the original price. So, the original price of the notebook was $600.

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Factor 3s+27t. Please help me I was absent for about a week with a high fever when she taught this lesson. I'm on 73% on IXL so PLEASE HELP!

Answers

3s+27t \n \n 3 (3s)/(3) + (27t)/(3) ) \n \n 3(s + 9t) \n \n

The answer is: 3(s + 9t).
3s + 27t = 3(s+9t)  ignore the letters in this case and break down the numbers.
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