MATHEMATICS MIDDLE SCHOOL

a water tank holds 24,000 gallons how many hours will it take for two thirds of the water to be used if the water is used at an average rate of 650 gallons per day

Answers

Answer 1
Answer: In this question there are several important information's worth noting.Based on these information's the answer can be easily found. It is given that the total capacity of the tank is 24000 gallons. in 24 hours or in 1 day the amount of water used is 650 gallons. The question requires us to find the time it will take to use 2/3 rd of the water in the tank.
then
2/3 rd water in respect to total water in tank = (2/3) * 24000
                                                                       = 16000
So 2/3 rd water of full tank is equivalent to 16000 gallons.
Now
650 gallons of water is used in = 24 hours
So
16000 gallons of water will be used in = (24/650) * 16000
                                                             = 590.77 hours
So it will take 590.77 hours to consume 2/3rd of the total water present in the tank.

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In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}
b. 5.63 times 10^{-3}
c. 7.7 times 10^{-7}
d. 12.42 times 10^{-12}

Answers

2,3 \cdot 10^(-3)+5,4\cdot 10^(-4)=\n 2,3 \cdot 10^(-3)+0,54 \cdot 10^(-3)=\n 2,84\cdot 10^(-3)\n \n Answer:A

Carol makes 9 and one third cups of snack mix. She puts all of the snack mix into plastic bags. She puts two third cup of the snack mix in each bag. How many plastic bags does Carol need?

Answers

9 1/3 / 2/3
9 1/3 = 28/3
28/3 / 2/3
28/3 x 3/2
84/6
14
she needs 14 bags

Ron wants to deliver a package to his friend. He is considering two courier services to do the job. The first courier service is charging a flat fee of $15 plus $3 per pound of the package’s weight.The second courier service is charging a flat fee of $25 plus $2 per pound of the package’s weight.



The costs of the two courier services are shown in the graph below.


What must the package weigh for the costs of the two courier services to be the same?
A.
8
B.
10
C.
14
D.
12
Reset Next Question

Answers

B. 10
15 + 3(10) = 45
25 + 2(10) = 45

What is negative 94/21 converted into a positive number?

Answers

You can't just change negative numbers into positive numbers.  They're completely different things.

I'm sure you worked with the number line in school.  Do you remember how the negatives are on one side of zero, and the positives are on the other side ?

You dress a lot different when it's 40 degrees below zero outside, compared to what you put on when it's 40 degrees above zero.  They're completely different numbers.

In the same way, 1,400 feet below sea level is the lowest spot on Earth, at the Dead Sea in Israel, but 1,400 feet above sea level is like somewhere in Nebraska or northern Texas.  They're completely different numbers.

Final answer:

To convert a negative fraction into a positive number, you can simply take the absolute value of the fraction.

Explanation:

To convert a negative fraction into a positive number, you can simply take the absolute value of the fraction. In this case, the absolute value of -94/21 is 94/21.

Learn more about Converting negative fractions to positive numbers here:

brainly.com/question/17689338

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X=y+6
X+6y=20


Solving systems of equations using substitution

Answers

To get the answer we can subsittute first equation into second.
x+6y=20
y+6+6y=20
6+7y=20        /-6
7y=14        /:2
y=2
Now we can back substitute
x=y+6
x=2+6
x=8
Finally we get
x=8
y=2

marcus scored 3/5 as many points as David soccer in a basketball game David scored 20 points how many points did Marcus score​

Answers

Gekyume’s Foreskin...

12 points bc 3/5 equals 0.6 multiply that by 20 and you get 12

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