MATHEMATICS MIDDLE SCHOOL

Which system of inequalities has a solution set that is a line?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

I took the test the option is the first one!

Answer 2

Answer:

If you only have one line, then both systems are equal to each other. For each x+y=2 and y+x=2 has the solution that are on the same line.

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Cedro collects state quarters. he has 42 out of 50 available quarters. what is 42 out of 50 as a percent

Answers

84%. You start out with 42/50. You need to then multiply the numerator and the denominator by 2 which will give you 84/100 which will then give you 84%.

$42 \ out \ of \ 50=(42)/(50)=(42 * 2)/(50 * 2)=(84)/(100)=\boxed{84\%}$

A towns population went from 25800 to 42600 in 15 years. What was the percent of change

Answers

Answer:

$\% Change = (|42600 -25800|)/(25800) x100 =65.116 \%$

Step-by-step explanation:

The percent of change respect a reference value is given by the following formula:

$\% Change = (|Final -Initial|)/(Initial) x100$

On this case the initial value is 25800 and the final value 42600. So we can replace into the formula and we got:

$\% Change = (|42600 -25800|)/(25800) x100 =65.116 \%$

So then the increase respect the initial value is 65.116%, and makes sense since:

$1.65116 *25800 =42600$

165.1162791...%
To find this answer, I divided 42,600 by 25,800 and got 1.651162791... I then multiplied it by 100 to convert it into a percent and got 165.1162791...%

The "..." after the number means that the numbers continue to go on but are essentially unnecessary.

In conclusion, when you multiply 1.651162791... you get 42,600.

JI'll lives 3 1/2 miles from school.One morning, her friend was giving her a ride. When they were 2/3 of the way to school, their car broke down & they had to walk the rest of the way.

Answers

Cool story. I think you might be asking how long they had to walk and ride.

3.5*.66 = 2.31 miles drove

3.5*.33 = 1.15 miles walked

What property is this? 1. 2(4+3−6) = 2×4+2×3−2×6
Commutative Property

Associative Property

Distributive Property

Identity Property

Zero Property

What property is this?
2. 7000×1=7000
Distributive Property

Zero Property

Identity Property

Commutative Property

Associative Property

What property is this?
3. 3×(7×1)=(3×7)×1
Distributive Property

Zero Property

Associative Property

Commutative Property

Identity Property

What property is this?
4. 48×0=0
Commutative Property

Distributive Property

Identity Property

Associative Property

Zero Property

What property is this?
5. 4×2×1×9=9×1×2×4
Commutative Property

Identity Property

Zero Property

Associative Property

Distributive Property

Answers

1. Distributive (the 2 is distributed)

2. Identity (multiplying by 1 doesn't change the number)

3. Associative (parentheses can move)

4. Zero (multiplying by 0 = 0)

5. Commutative (you can multiply in any order)

Question: What property is this?

Answers:

1. Distributive the 2 is distributed to everything

2. Identity multiplying by 1

3. Associative parentheses move

4. Zero multiplying anything by 0 = 0

5. Commutative order multiplied doesn't matter

three friends earned more than $200 washing cars. they paid their parents $28 for supplies and divided the rest of money equally. write an inequality to find possible amounts each friend earned. identify what your variable represents.

Answers

well on answer could be $238-$28=210 divided by 3 = $70 each
also another one is $208-$28=180 and then if u divide $180 by 3 u will get a awser of $60 each

What is the square root of 64?

Answers

8 is the square root of 64

Answer: 8

Step-by-step explanation: because 8•8=64

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