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Mashutka [201]
3 years ago
6

Rational numbers-oh my!

Mathematics
1 answer:
Anna [14]3 years ago
8 0
What is the question can't help with ought it
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ANSWER THIS!!! Please?
KIM [24]

x is a variable. You need to find the variable to complete the equation.

ex. x = 1

x to the power of 5 (1x5x5x5x5x5)

1*x(0)=0

7 0
3 years ago
Problem PageQuestion The Russell family and the Gonzalez family each used their sprinklers last summer. The water output rate fo
Agata [3.3K]

Answer: the Russell family used their sprinkler for 40 hours.

the Gonzalez family used their sprinkler for 20 hours.

Step-by-step explanation:

Let x represent the number of hours for which the Russell family used their sprinkler.

Let y represent the number of hours for which the Gonzalez family used their sprinkler.

The families used their sprinklers for a combined total of 60 hours. It means that

x + y = 60

The water output rate for the Russell family's sprinkler was 35L per hour. The water output rate for the Gonzalez family's sprinkler was 40L per hour. The total water output of both families was 2200L. It means that

35x + 40y = 2200- - - - - - - - - - --1

Substituting x = 60 - y into equation 1, it becomes.

35(60 - y) + 40y = 2200

2100 - 35y + 40y = 2200

- 35y + 40y = 2200 - 2100

5y = 100

y = 100/5

y = 20

x = 60 - y = 60 - 20

x = 40

5 0
3 years ago
What is the value of x?
MrRissso [65]
180-58=122=x
Its honestly a piece of cake a straight line will <u>Always</u> have a degree measurement on one-hundred and eighty degrees

6 0
4 years ago
At 186282 miles per second, how far does light travel in a year? Give your answer in miles, but use scientific notation, which e
zlopas [31]

Answer:

Use dimensional analysis to answer each of the following questions. To find the distance light travels in a year for part a, convert sec to yr by using unit ratios with min, hr, and days in their denominators. Thus, a light year is approximately 5,874,589,152,000 mi

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3 years ago
Choose an equation that would be used to solve 0 = -x2 + 10x – 8
stiks02 [169]

Choose an equation that would be used to solve  0 = -x2 + 10x – 8

Answer: (x-5)^2=17

8 0
3 years ago
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