4 years ago

A classroom is 30 feet long and 30 feet wide. The ceiling is 10 feet above the floor. What is the volume of the classroom?

1 answer:

4 0

If you would like to know the volume of the classroom, you can calculate this using the following steps:

30 feet long * 30 feet wide * 10 feet high = 30 * 30 * 10 = 9000 ft^3

The correct result would be 9000 ft^3.

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Which equation can be used to find X the measure of angle POQ?what is it’s measure?

faust18 [17]

Step-by-step explanation:

m<POR = 90°

=>m<POQ+m<QOR=90°

=>x+37°=90°

x=90°-37°=53°

option B

3 0

3 years ago

Zane performs the elementary row operation represented by R2-½R1 on matrix A.

UkoKoshka [18]

Answer:

[2 5 0]

[-7 -11/2 12]

Step-by-step explanation:

We want to perform elementary row operation represented by R2 - ½R1 on matrix A in the figure attached.

Now, matrix A is given as;

[2 5 0]

[-6 -3 12]

Now, R1 is row 1 = [2 5 0]

R2 is row 2 = [-6 -3 12]

Thus, R2 - ½R1 = [-6 -3 12] - ½[2 5 0]

This gives;

[-6 -3 12] - [1 5/2 0] = [-7 -11/2 12]

Now,[-7 -11/2 12] will be the new row 2 since it's just an elementary row operation we did on the Matrix A.

Thus, the new matrix is now;

[2 5 0]

[-7 -11/2 12]

5 0

3 years ago

Read 2 more answers

A number increased by 10 is 114

motikmotik

104 is the number because 114-10=104

8 0

4 years ago

Read 2 more answers

Evaluate 14 + (-8) ÷ 2 · -3. -9 15 26 -30

Rudiy27

For this case we must evaluate the following expression:

14 + (- 8) ÷ 2 * -3

According to the method of algebraic resolution, called PEMDAS, the divisions and multiplications must be made from left to right, before the addition and subtraction, then:

14 + (- 4) * - 3 =

We eliminate the parenthesis keeping in mind that $- * - = +$