3 years ago

Which of the tables below doesn’t represent a function

Mathematics

1 answer:

ivanzaharov [21]3 years ago

8 0

Answer:

Table B

Step-by-step explanation:

I hope this helps :3

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Y-3x=3 and x-2y=4 using elimination method

solniwko [45]

Answer:

x = -2, y = -3

Step-by-step explanation:

y - 3x = 3

x - 2y = 4

-3x + y = 3

x - 2y = 4

-6x + 2y = 6

x - 2y = 4

Add the equations.

-5x = 10

x = -2

Substitute -2 for x in the first original equation and solve for y.

y - 3x = 3

y - 3(-2) = 3

y + 6 = 3

y = -3

Answer: x = -2, y = -3

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4 years ago

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What value of w satisfies the equation<br> w -10 = 0.5w -7?

Maru [420]

Answer:

w = -6

Step-by-step explanation:

w-10= .5w -7

w = .5w +3

-0.5w = 3

w = -6

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3 years ago

Item 18 You estimate that a puppy weighs 12 pounds. The actual weight of the puppy is 14 pounds. Find the percent error. Round y

Morgarella [4.7K]

Hi!

First find how much you were off by.

14-12=2

Now set up a proportion and cross multiply to solve.

$\frac{2}{14} \frac{x}{100}$

2 x 100 = 200
200/14 = 14.29

The answer is 14.29%

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3 years ago

In rectangle PQRS, SQ = 78, PS = 30, and mPRS = 23°. Find SR.

kondor19780726 [428]

$\cos (23)=\frac{sr}{78}\rightarrow78\cdot\cos (23)=SR=67.20$

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2 years ago

Sound waves require a medium <br>A true ,or B false

atroni [7]

Answer:

A. TRUE.

Step-by-step explanation:

plz mark me as brainliest.

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