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marusya05 [52]
3 years ago
6

What time will a car traveling at an average speed of 30km/hr cover a distance of 45km​

Mathematics
1 answer:
vesna_86 [32]3 years ago
8 0

Answer:

1 1/2 hr

Step-by-step explanation:

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After John worked at a job for 10 years, his salary doubled. If he started at $x, his salary after 10 years is _____. $1/2x $x +
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Which square root is between 4 and 5
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I’m not sure what you mean by divided, but the square root of 24 would be between 4 and 5.

Explanation:
I translated 4 and 5 into square roots, being the square root of 16 (4^2) and the square root of 25 (5^2).
4 is equal to the square root of 16 just as 5 is equal to the square root of 25.
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Step-by-step explanation:

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5 0
2 years ago
Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.
Flura [38]

The solutions to the given system of equations are x = 6 and y = -5

<h3>Simultaneous linear equations</h3>

From the question, we are to solve the given system of equations

The given system of equation is

4x+5y=-1

-5x-8y=10

Multiply the <u>first equation</u> by 5 and the <u>second equation</u> by 4

5× (4x+5y=-1)

4× (-5x-8y=10)

20x + 25y = -5

-20x - 32y = 40

------------------------

0x + (-7y) = 35

-7y = 35

y = 35/-7

y = -5

Substitute the value of y into the first equation to find x

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4x -25 = -1

4x = -1 +25

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x = 24/4

x = 6

Hence, the solutions to the given system of equations are x = 6 and y = -5

Learn more on Simultaneous linear equation here: brainly.com/question/12647791

#SPJ1

3 0
2 years ago
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