3 years ago

Please help me with this one too

Mathematics

1 answer:

lozanna [386]3 years ago

4 0

Try B that’s what i got

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The value of y varies directly with x. If x = 2, then y = 10. What is the value of x when y = 100? *

Fynjy0 [20]

Answer:

Step-by-step explanation:

y=kx

X=2 & y= 10

10=2k

k=5

when y=100

100=5x

X=20

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3 years ago

What is the equation of a circle that has a diameter of 10 units if its center is at (3,8)?

astraxan [27]

Answer:

Step-by-step explanation:

$(x-3)^2+(y-8)^2 = 25$

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Jennifer drives 265 miles in 5 hours what is her average rate of speed in miles per hour ?

algol [13]

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265 divided by 5=

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3 years ago

What is the distance between (2,-6) and (-4,3)

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2 years ago

Which expressions are equivalent to Negative 9 (two-thirds x + 1)? Check all that apply.

Sav [38]

Answer:

$-9(\frac{2}{3}x) + 9(1)\\ \\-6x + 9$

Explanation:

Before we begin, remember the following rules:

1- Distribution property:

$a(b+c) = ab+ac$

2- Simplification of fractions:

$\frac{xy}{yz}=\frac{x}{z}$

3- Signs in multiplication:

+ve * +ve = +ve

-ve * -ve = +ve

+ve * -ve = -ve

Now, for the given problem, we have:

$9 (\frac{2}{3}x + 1)$

Starting with the distributive property:

$-9 (\frac{2}{3}x +1) = -9(\frac{2}{3}x) - (-9)(1) = -9(\frac{2}{3}x) + 9(1)$

..................>This corresponds to option 1

Now, we simplify the output from the above step:

$-9(\frac{2}{3}x) + 9 = \frac{-9*2}{3}x + 9 = -6x+9$

................> This corresponds to option 5

Hope this helps :)

4 0

3 years ago

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