MATH SOLVE

4 months ago

Q:
# WORTH 99 POINTS IF YOU ANSWER ALL!Question 5(Multiple Choice Worth 1 points)(06.04 MC)What is the value of fraction 1 over 3x3 + 5.2y when x = 3 and y = 2?A. 13.4B. 16.4C. 19.4D. 28.4Question 6(Multiple Choice Worth 1 points)(06.01 MC)What is the value of the expression 9 − (fraction 1 over 2)4 ⋅ 48?A. 1B. 3C. 6D. 9Question 7(Multiple Choice Worth 1 points)(06.02 LC)Which statement best describes the expression 2y ÷ 7?A. 2 times y divided by 7B. 7 divided by 2 times yC. 7 times y divided by 2D. 2 divided by 7 times yQuestion 8(Multiple Choice Worth 1 points)(06.02 MC)Which of these is the algebraic expression for "4 less than the product of 5 and some number?"A. 5 − 4pB. 4 − 5pC. 5p − 4D. 4p − 5Question 9(Multiple Choice Worth 1 points)(06.06 MC)The work of a student to find the dimensions of a rectangle of area 8 + 16x and width 4 is shown below:A. Step 1: 8 + 16xB. Step 2: 4(4) + 4(12x)C. Step 3: 4(4 + 12x)D. Step 4: Dimensions of the rectangle are 4 and 4 + 12xIn which step did the student first make an error and what is the correct step?A. Step 3; 4 + (4 + 12x)B. Step 3; 4 + (4 ⋅ 12x)C. Step 2; 4(2) + 4(4x)D. Step 2; 4(2) + 4x(2)

Accepted Solution

A:

1) C. 19.4

1/3(3)^3 + 5.2(2)

1/3(27) + 10.4

9 + 10.4

= 19.4

2) C. 6

9 - (1/2)^4 * 48

9 - 0.0625 * 48

9 - 3

= 6

3) A. 2 times y divided by 7

4) C. 5p - 4

5) C. Step 2; 4(2) + 4(4x)

Hope this helps!

1/3(3)^3 + 5.2(2)

1/3(27) + 10.4

9 + 10.4

= 19.4

2) C. 6

9 - (1/2)^4 * 48

9 - 0.0625 * 48

9 - 3

= 6

3) A. 2 times y divided by 7

4) C. 5p - 4

5) C. Step 2; 4(2) + 4(4x)

Hope this helps!