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3 years ago

If 6:2=8:x, then 6x = 16 6x = 10 2x = 48 2x = 14

Mathematics

1 answer:

Talja [164]3 years ago

3 0

The answer is 6x = 16

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When you roll a standard number cube once, what is the probability of rolling a number divisible by 3?

NeTakaya

Answer:

Step-by-step explanation:

There are two numbers on a standard cube that are divisible by 3, 3 and 6. Which gives you the fraction 2/6 and can be reduced to 1/3

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3 years ago

Read 2 more answers

Use completing the square to determine which of the following gives the solutions to 3x2 - 24x + 40 = 28.

jeka94

Answer:

$x=4+2\sqrt{3}$

$x=4-2\sqrt{3}$

Step-by-step explanation:

<u>Completing the square</u>

when $ax^2+bx+c=0$

Given equation:

$3x^2-24x+40=28$

Subtract 40 from both sides:

$\implies 3x^2-24x=-12$

Divide both sides by 3:

$\implies x^2-8x=-4$

Add the square of half the coefficient of $x$ to both sides:

$(\frac{b}{2})^2=(\frac{-8}{2})^2=16$

$\implies x^2-8x+16=-4+16$

Factor the left side and simplify the right side:

$\implies (x-4)^2=12$

Square root both sides:

$\implies x-4=\pm\sqrt{12}$

Add 4 to both sides and simplify the radical:

$\implies x=4\pm\sqrt{4 \cdot 3}$

$\implies x=4\pm\sqrt{4}\sqrt{3}$

$\implies x=4\pm2\sqrt{3}$

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2 years ago

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Komok [63]

Step-by-step explanation:

The answer is in the pic above

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2 years ago

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kap26 [50]

Answer:

Y=16

X=32

Step-by-step explanation:

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3 years ago

Your rate is $32 per hour, and you bill by 10-minute increments. You spent 4 hours and 30 minutes on a client project. How much

ratelena [41]

Answer:

d.$128

Step-by-step explanation:

You multiply the $32 by the 4 hours

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3 years ago