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3 years ago

Joianie beleives that you cannot use cross products to solve the proportion 50/3 = 75/x for x. She says

Mathematics

1 answer:

BigorU [14]3 years ago

6 0

Answer:

4.5 It doesn't come out evenly, but cross products do work.

Step-by-step explanation:

She is not correct.

50 * x = 3 * 75 Combine the right

50x = 225 Divide by 50

x = 225/50

x = 4.5

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Answers:

Ava’s graph is a vertical translation of f(x) = x^2.

Ava’s graph moved 4 units from f(x) = x^2 in a positive direction.

Ava’s graph has a y-intercept of 4.

Given:

Ava graphs the function $h(x) = x^2 + 4$ .

Victor graphs the function $g(x) = (x + 4)^2$

To find y intercept we plug in 0 for x

$h(x) = x^2 + 4$

$h(x) = 0 + 4$ = 4

So ,Ava’s graph has a y-intercept of 4.

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If any number is added at the end then the graph will be shifted up. 4 is added at the end so there will be vertical translation.

Hence , Ava’s graph is a vertical translation of f(x) = x^2. Also Ava moved 4 units up from f(x) = x^2 in a positive y- direction.

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If any number added with x then the graph will be shifted left. the graph will be shifted in negative x direction.

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4 years ago

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slega [8]

First term [ a ] = 6.3

Common difference [ d ] = 8.8 - 6.3 = 2.5

Using general term formula,

$t_{n} = a + (n-1)d$

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2.5*(n-1) = 72.5 [ Dividing both sides by 2.5 ]

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