3 years ago

Yesterday it rained 5/8 inch. Today it rained 1/8 inch. What is the total amount of rain for the two days?

Mathematics

1 answer:

Alecsey [184]3 years ago

7 0

The total amount is 0.75 inches or 3/4 inches.

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A new office building in town has x2 + 4 floors. Each floor is 3x2 – 5 feet high. Which expression shows the total height of thi

Rina8888 [55]

Answer: $3x^{4}+7x^{2}-20$

Step-by-step explanation:

1. You know that:

- The number of floors is given by the expression $x^{2}+4$ .

- The height of each floor is given by the expression $3x^{2}-5$ .

2. Then, to find the expression that shows the total height of the office building, you must multiply the height of each floor by the number of floors. Therefore, you obtain the following result:

$(x^{2}+4)(3x^{2}-5)=3x^{4}-5x^{2}+12x^{2}-20=3x^{4}+7x^{2}-20$

6 0

3 years ago

What is the missing term in this geometric table?

Mrac [35]

6
...................

4 0

2 years ago

What is the square root of 70 million

lutik1710 [3]

The square root of 70 millions is <span>8366.60026534</span>

8 0

3 years ago

3(2x squared - x) - x squared <br><br> SIMPLIFY!!!

romanna [79]

3(x^2 -x) -x
6x^2 -3x-x
6x^2 - 4x
we can simplify it more by take 2x as comman factor
so , 2x ( 3x -2 )

3 0

3 years ago

This week, Sarah spent a total of 120 minutes studying. This total was 20 more

MrMuchimi

Answer:

She spent 25 minutes studying last week

Step-by-step explanation:

L = last week

120 = 4L + 20

Subtract 20 from either side

100 = 4L

Divde either side by 4

25 = L

4 0

3 years ago