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Oxana [17]
3 years ago
15

Which equations are true? Choose All Answers That Apply (10 Points)

Mathematics
2 answers:
Step2247 [10]3 years ago
4 0

Answer:

second one

A negative multiplied by a negative is a positive.

- (-x) is multiplication.

Nataly [62]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Two negatives is a positive, and you want your outcome to be a positive x, therefore b is the correct answer.

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Brilliant_brown [7]
Answer: 4/5x

Explanation: simply the expression, then convert it and calculate your answer.
3 0
3 years ago
Max and Sasha exercise a total of 20 hours each week. Max exercises 15 hours less than 4 times the
navik [9.2K]

Answer:

Max exercises 13 hours a week, and Sasha 7.

Step-by-step explanation:

To find the number of hours each of them exercises during the week, we solve the system of equations.

In the second equation:

x = 4y - 15

Replacing in the first equation:

x + y = 20

4y - 15 + y = 20

5y = 35

y = \frac{35}{5}

y = 7

So Sasha exercises 7 hours per week.

Max:

x + y = 20

x + 7 = 20

x = 13

Max exercises 13 hours a week.

6 0
3 years ago
If 5(2x - 1) = 35, then x =​
SIZIF [17.4K]

Answer:

x = 4

Step-by-step explanation:

Given

5(2x - 1) = 35 ( divide both sides by 5 )

2x - 1 = 7 ( add 1 to both sides )

2x = 8 ( divide both sides by 2 )

x = 4

5 0
3 years ago
Joe went shopping yesterday. He saw a new Wii game that costs $55.00. It was on sale for 20% off. How much did Joe pay for the g
NikAS [45]

Answer:

the answer is 1100

Step-by-step explanation:

you will do... 5500*20/100

4 0
3 years ago
The polynomial x2 + 7x – 44 can be factored.
Virty [35]

Answer:

(x-4)(x+11)

Step-by-step explanation:

(x-4)(x+11)

x^2-4x+11x-44

x^2+7x-44

Ding Dong!

5 0
3 years ago
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