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Mathematics, 13.02.2021 01:40 lizzyhearts

PLS HURRY I NEED THIS!! Question 1(Multiple Choice Worth 1 points)
(06.07 MC)

Four expressions are shown:

6(5x + 3)
6(6x + 2)
36x + 12
30x + 18
Which two expressions are equivalent to 6(5x + 2 + x)?
A and B
B and D
A and D
B and C

Question 2(Multiple Choice Worth 1 points)
(06.04 MC)

The equation below shows the total volume (V), in cubic units, of 6 identical boxes with each side equal to s units:

V = 6s3

If s = 3.1 units, what is the value of V?

111.6 cubic units
178.746 cubic units
554.113 cubic units
669.6 cubic units

Question 3 (Fill-In-The-Blank Worth 1 points)
(06.04 LC)

If s = 1 over 2 unit and A = 16s2, what is the value of A, in square units? square unit(s). (Input whole number only.)

Numerical Answers Expected!

Answer for Blank 1:

Question 4(Multiple Choice Worth 1 points)
(06.06 LC)

Which expression is equal to t + (u + v)?

(t + u) + v
(t + u) ⋅ v
tu + v
t + uv

Question 5(Multiple Choice Worth 1 points)
(06.02 LC)

Which expression represents "2 times the sum of 4 and y?"

2 ⋅ 4 + y
4 + 2 ⋅ y
2(4 + y)
4(2 + y)

Question 6(Multiple Choice Worth 1 points)
(06.06 LC)

Which of these shows 9z + 5 rewritten using the commutative property of addition?

9 + 5z
9 − 5z
5 + 9z
5 − 9z

Question 7 (Fill-In-The-Blank Worth 1 points)
(06.01 LC)

The value of 34 + 7 ⋅ 5 = ___.

Numerical Answers Expected!

Answer for Blank 1:

Question 8(Multiple Choice Worth 1 points)
(06.03 LC)

What is the coefficient of y in the expression 1 ⋅ 2 + 6y?

1
2
6
8

Question 9(Multiple Choice Worth 1 points)
(06.07 HC)

Which expression is equivalent to 8x − 2x + 4 and why?

4 + 6x, because (8x − 2x) + 4 = 6x + 4 = 4 + 6x
10x, because 8x − 2x + 4 = 6x + 4 = 10x
8x + 2x, because 8x − (2x − 4) = 8x + 2x
14x, because 8x − 2x + 4 = 8x + 6x = 14x

Question 10(Multiple Choice Worth 1 points)
(06.02 MC)

Which of these is the algebraic expression for "5 less than 4 times some number?"

5 − 4y
4 − 5y
5y − 4
4y − 5

Question 11(Multiple Choice Worth 1 points)
(06.07 LC)

Which expression is equivalent to 3t + 3t?

9t2
6 + 2t
6t
t3

Question 12(Multiple Choice Worth 1 points)
(06.03 LC)

What is the constant term in the expression 4xy + 3x2y + x + 2?

4
3
2
1

Question 13(Multiple Choice Worth 1 points)
(06.01 MC)

What is the value of the expression 10 + (fraction 1 over 2)4 ⋅ 48?

12
13
16
18

Question 14(Multiple Choice Worth 1 points)
(06.04 MC)

What is the value of fraction 1 over 2x4 + 5.2y, when x = 2 and y = 3?

23.6
24.6
27.6
39.6

Question 15(Multiple Choice Worth 1 points)
(06.01 MC)

What is the value of the expression shown below?

2 + (3 + 5)2 ÷ 4 ⋅ 1 over 2 whole to the power of 4

3
4
16
18

Question 16(Multiple Choice Worth 1 points)
(06.03 MC)

Which of the following best describes the expression 11(x + 7)?

The sum of constant factors 11 and x + 7
The product of constant factors 11 and x + 7
The sum of a constant factor 11 and a 2-term factor x + 7
The product of a constant factor 11 and a 2-term factor x + 7

Question 17(Multiple Choice Worth 1 points)
(06.06 MC)

A student attempted to generate an equivalent expression using the distributive property, as shown below:

5(x − 1) = 5x − 1

What was the mistake made?

5 was not multiplied by x
Incorrect sign was used for the first term
5 was not multiplied by −1
Incorrect sign was used for the second term

Question 18(Multiple Choice Worth 1 points)
(06.02 LC)

What best describes the expression y over 7?

7 times some number
Some number minus 7
7 more than some number
Some number divided by 7

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PLS HURRY I NEED THIS!! Question 1(Multiple Choice Worth 1 points)
(06.07 MC)

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