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2 years ago

4. Tori bought x shares of Mattel stock for m dollars per share. She sold

Mathematics

1 answer:

faust18 [17]2 years ago

6 0

Answer:

mx = y

y = mx

Step-by-step explanation:

If she pays m per share, and x represents each share, you will multiply m and x. If she sold all them for the value of y. Then you set mx equal to y.

mx = y

y = mx

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20 points! Will mark the brainliest!

andrew-mc [135]

$\dfrac{ \dfrac{x+3}{4x^2-16} }{ \dfrac{2x^2+10x+12}{2x-4} }$

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Write the divide fraction horizontally:
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$= \dfrac{x+3}{4x^2-16} \div \dfrac{2x^2+10x+12}{2x-4}$

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Factorise the numerators and denominators when possible:
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$= \dfrac{x+3}{4(x+2)(x-2)} \div \dfrac{ 2(x + 3) (x + 2)}{2(x-2)}$

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Convert the divide fraction to multiplication fraction
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$= \dfrac{x+3}{4(x+2)(x-2)} \times \dfrac{2(x-2)}{2(x+3)(x+2)}$

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Cancel the factors
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$= \dfrac{1}{4(x+2)^2}$

4 0

3 years ago

What is 8.57x10-⁴ in standered form ?

marusya05 [52]

Kaleerain5,

In order to get your answer you must remember that if the exponent is negative move to the left and if the exponent is positive you have to move to the right.

$8.57 \times 10^{-4}$
The exponent is negative so move to the left:
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Therefore your answer is ".000857."

Hope this helps!

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2 years ago

Geometry Question find the area of the circle

olasank [31]

Formula for the area of a circle is Pi*radius squared
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2 years ago

Read 2 more answers

The question is in the picture!

djverab [1.8K]

46$ do the division. god bless

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1 year ago

suppose that y varies jointly with x and z. Find your when x=3 and z=5 , given that y=72 when x=6 and z=4

Hitman42 [59]

Y α xz

y = kxz y = 72, when x = 6, and z = 4

72 = k*6*4

72 = k*24

24k = 72

k = 72/24

k = 3.

y = kxz

y = 3xz 

Finding y, when x = 3, z = 5.

y = 3xz

y = 3*3*5

y = 45

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2 years ago