MATHEMATICS MIDDLE SCHOOL

Translate into an expression:
Two more than a number x squared.

Answers

Answer 1
Answer: x^2+2
.................
Answer 2
Answer: 2+x^2 two plus x squared.

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A car travels 360 miles on 18 gallons of gas ,whats the unit rate ?

Answers

The answer would be 20 miles:1 gallon

The length of a rectangle is 3 meters less than twice its width

Answers

whats the total perimeter?

What is the smallest negative integer? Explain.

Answers

There is an INFINITE amount of numbers out there, including BOTH positive and negative.
So, the more closer you go to infinite (that is toward bigger numbers EX: -100,000,000) the smaller the number gets while in the positive direction, the closer the numbers are close to 0, the numbers are small (EX: 1)
Since there is an infinite amount of numbers, there is not really a definite answer to this question.

consider solving the equation for x 3 (3x + 4) —5 = ax + b Which statements are true about the solution to the equation when substituting values for a and b as as specified? Select all that apply.A. If a=−3 and b=4 , then there is exactly one solution to the equation.B. If a=−9 and b=13 , then there is no solution to the equation.C. If a=9 and b=−2 , then there is no solution to the equation.D. If a=−3 and b=−5 , then there are infinitely many solutions to the equation.E. If a=9 and b=7 , then there is exactly one solution to the equation.

Answers

3 (3x + 4) —5 = ax + b 

Lets simplify

9x + 12 - 5 = ax + b
9x + 7 = ax + b

The answer would be C because then it would have a coeiffient the same, and a "lonely" number different, which gives it NO solution. 

Answer: C. If a=9 and b=−2 , then there is no solution to the equation.

Which expression is equivalent to this expression? x(2x + 3) A) 2x2 + 3 B) 2x2 + 3x C) 2x2 - 3x Eliminate D) 3x + 3

Answers

Answer:

B

Step-by-step explanation:

x(2x + 3)

Expand the brackets.

x(2x)+x(3)

Multiply the terms.

2x² + 3x

The answer is 2x² + 3x.

Answer:

I believe it is B. 2x2 + 3x

Step-by-step explanation:

Because x will go into 2x like 2x^2 and if you multiply x * 3 which it would equal 3x. That's the best I can explain it.

Hope my answer has helped you and if not I am sorry.

a total of 60 raffle tickets were sold at a school fair Bethany has a 20% chance of wining how many tickets did she buy

Answers

Answer:

12 tickets

Step-by-step explanation:

Turn the percentage into a decimal.

20% -> 0.2

Multiply.

60 * 0.2 = 12

Best of Luck!
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