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2 years ago

Can someone help me please

Mathematics

1 answer:

Anon25 [30]2 years ago

3 0

Answer:

$y = - \frac{2}{3} x + 7$

You get this equation when you plug in the values to find out the y intercept.

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X and y vary inversely and x=50 when y=5 find y when x=10 what is k?

Kisachek [45]

Answer:

Part A)

1) $k=250$

2) $y=25$

Part B)

1) $k=7$

2) $y=84$

Step-by-step explanation:

Part 1) x and y vary inversely and x=50 when y=5 find y when x=10 what is k?

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

step 1

Find the value of k

x=50 when y=5

substitute the values

$y*x=k$ ------> $5*50=k$ -----> $k=250$

The equation is equal to

$y*x=250$ or $y=250/x$

step 2

Find y when x=10

substitute the value of x in the equation and solve for y

$y*(10)=250$

$y=250/10=25$

Part B) x and y vary directly and x=6 when y=42 find k what is y when x=12

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form $y/x=k$ or $y=kx$

step 1

Find the value of k

x=6 when y=42

substitute the values

$y/x=k$ ------> $42/6=k$ -----> $k=7$

The equation is equal to

$y/x=7$ or $y=7x$

step 2

Find y when x=12

substitute the value of x in the equation and solve for y

$y=7(12)=84$

5 0

2 years ago

Find the value of 48 - 32 ÷ 4 · 2

Crazy boy [7]

Answer:

=48-8×2

=48-16

=32

Hope it helps you..

6 0

2 years ago

Read 2 more answers

Please help me on this

Zanzabum

Answer:

Step-by-step explanation:

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2 years ago

Given F(x) =x^2, choose whether the graph moves up down left or right.

malfutka [58]

Answer:

Left 7

Step-by-step explanation:

f(x)=a(x-h)^2+k

f(x)=(x-(-7))^2

-7 of x is to the left

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3 years ago

Can someone please help me with these 2 questions?

Aleonysh [2.5K]

Answer:

1. The correct answer is graph b

2. the correct answer is t>100

Step-by-step explanation:

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2 years ago