3 years ago

Solve the proportion 5.2/8 = y/6

Mathematics

1 answer:

grin007 [14]3 years ago

3 0

the answer is y= 3.9 welcome.

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I need help! thank you

alisha [4.7K]

Answer:

Step-by-step explanation:

14/2=7

25^2-7^2=576

sqrt576=24

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2 years ago

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liubo4ka [24]

Y=4x+7

So 4 is the rate of change because if you solve for y, x is the rate of change

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2 years ago

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Fill in the missing portions of the function to rewrite g(x) = 3a^2 − 42a + 135 to reveal the zeros of the function. What are th

mariarad [96]

Answer:

g(x) = 3(x-9)(x-5)

Zeros: x = 9 and x = 5.

Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this question:

$g(x) = 3x^{2} - 42a + 135$

$a = 3, b = -42, c = 135$

$\bigtriangleup = (-42)^{2} - 4*3*135 = 144$

$x_{1} = \frac{-(-42) + \sqrt{144}}{2*3} = 9$

$x_{2} = \frac{-(42) - \sqrt{144}}{2*3} = 5$

g(x) = 3(x-9)(x-5)

Zeros: x = 9 and x = 5.

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3 years ago

What is the answer to this question?

irina [24]

Answer:

1. $\frac{33}{40}$

2. $\frac{19}{35}$

Step-by-step explanation:

1. ( $\frac{5}{8}$ * $\frac{5}{5}$ ) + ( $\frac{1}{5} * \frac{8}{8}$ ) = $\frac{33}{40}$

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2 years ago

Find the value of x in the triangle shown below

makvit [3.9K]

Answer:

Same Imao

Step-by-step explanation:

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2 years ago