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3 years ago

Continuity MS Grade 8 Pre-Algebra Qu. 4 (SY19-20) UPDATED

Mathematics

2 answers:

Tresset [83]3 years ago

7 0

x: 3, 4, 6, 8, 9, 12

y: 2, 5, 7, 10, 11, 15

prohojiy [21]3 years ago

4 0

Answer:

it’s a

Step-by-step explanation:

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Answer:

what is the answer choices?

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I need help! Will mark Brainliest for full answer!!!

Softa [21]

Answer:

Part a .............> x = 11

Part b .............> k = 57.2

Part c .............> y = 9.2

Explanation:

The three problems deal with inverse variation between two variables

An inverse variation relation between two variables means that when one of the variables increases, the other will decrease (and vice versa)

Mathematically, an inverse variation relation is represented as follows:

$y = \frac{k}{x}$

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Now, let's check the givens:

Part a:

We are given that y = 3 and k = 33

Substitute in the original relation and solve for x as follows:

$y = \frac{k}{x}\\ \\3 = \frac{33}{x}\\ \\x=\frac{33}{3}=11$

Part b:

We are given that y = 11 and x = 5.2

Substitute in the original relation and solve for k as follows:

$y=\frac{k}{x}\\ \\11=\frac{k}{5.2}\\ \\k=11*5.2=57.2$

Part c:

We are given that x=7.8 and k=72

Substitute in the original relation and solve for y as follows:

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Hope this helps :)

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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