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3 years ago

I nEeD hElP!!!!!!!! I WILL GIVE 20 PONITSSSS

Mathematics

2 answers:

dexar [7]3 years ago

6 0

Answer:

True

Step-by-step explanation:

This is because when you look at the graph you see that when you line it up, it lines up with each other

vlada-n [284]3 years ago

4 0

Answer:

True if im not mistaken

Step-by-step explanation:

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Simultaneous equations no idea somebody help !

vodka [1.7K]

5r + 6s = 53

25r + 3s = 49

Meaning of simultaneous is to solve by elimination

Multiply the equation 2 by -2

-2( 25r + 3s = 49)

-50r – 6s = -98

Then add the two equation to eliminate s, so the resulting equation is:

-45r =-45

r = 1

substitute r = 1 to equation 1

5(1) + 6s = 53

6s = 53 – 5

6s = 48

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3 years ago

You paint 1/2 wall in 1/4 hour. At that rate, how long will it take you to paint one wall?

Mnenie [13.5K]

(1/2) / (1/4) = 1 / x......1/2 wall to 1/4 hr = 1 whole wall to x hrs
cross multiply
(1/2)(x) = (1/4)(1)
1/2x = 1/4
x = 1/4 * 2
x = 2/4 reduces to 1/2....so it will take 1/2 hr (or 30 minutes) to paint the whole wall.

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4 years ago

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Lynna [10]

Answer:

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Step-by-step explanation:

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3 years ago

Simplify the following expression

IRINA_888 [86]

Simplification of the given expression.
$\frac{a {}^{3}b {}^{2} }{a {}^{2}b }$
Divide the terms with the same base by subtracting their exponents.

$= \frac{a {}^{3 - 2} b {}^{2} }{b}$
Subtract the numbers

$= \frac{a {}^{1} b {}^{2} }{b}$
Any expression raised to the power of 1 equals itself.

$= \frac{ab {}^{2} }{b}$
Now, reduce the fraction with b.

$= ab$

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4 years ago

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The quotient of r and 19

dybincka [34]

Answer: r÷19

Step-by-step explanation: a Quotient is the result of a division mathematical problem.

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3 years ago