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3 years ago

PLEASE HELP!!!! PRQ = ?

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

7 0

PRQ=VXW

I think! I hope this helps!

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Multiply (x2-5x)(2x2+x-3)

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x^3 - 9x^2 + 23x - 12

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4 years ago

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Which relations are functions?

Alenkasestr [34]

Both A, and C. are functions because they don't have two points with the same x-intercept.

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~Kiwi

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3 years ago

Log_6⁡(x+1)+log_6⁡x=1

Fiesta28 [93]

This is pretty simple once you figure out the trick.

All you have to do is make the args common.

Meaning $log_{6}(x + 1) + log_{6}(x) = 1$ is nothing but $log_{6}(x(x + 1)) = 1$

Which is nothing but: $log_{6}(x^2 + x) = 1$ .

Now using the scorpion tail method, this equation can be reframed to being: $6 = x^2 + x$ . You bring 6 to the other side and it'll become: $x^2 + x - 6 = 0$

Factorise it and you get: $(x - 2) * (x + 3)$

Henceforth, the solution would be $2$ and $-3$ . :D

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3 years ago

Abigail went shopping for her sister's birthday. She spent 2/7 of her money on a necklace and 3/4 of the remainder on new outfit

DochEvi [55]

Abigail went shopping for her sister's birthday. She spent 2/7 of her money on a necklace and 3/4 of the remainder on new outfits. She had $56.00 left. How much money did Abigail spend on the necklace? (PLEASE SHOW STEPS)

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4 years ago

A gallon of milks sells for $3.18 and a quart of milk sells for $0.76. Which item has the better unit price? Justify your answer

nataly862011 [7]

Answer:

$Second\ price\ that\ is\ 1\ quart\ milk=\$0.76\ has\ better\ unit\ price$

Step-by-step explanation:

Use gallon unit:

First Price:

$1\ gallon\ milk=\$3.18\\\\$

Second Price:

$4\ quart=1\ gallon\\\\1\ quart\milk=\$0.76\\\\4\ quart\ milk=4\times 0.76=\$3.04\\\\\Rightarrow 1\ gallon\ milk=\$3.04$

$1\ gallon\ at\ first\ price\ is\ greater\ than\ the\ rate\ of\ 1\ gallon\ at\ second\ price\\\\Hence\ 1\ quart=\$0.76\ has\ the\ better\ unit\ price.$

Second Method: Use Quart Unit:

First Price:

$1\ gallon=4\ quart\\\\1\ gallon\ milk=\$3.18\\\\4\ quart\ milk=\$3.18\\\\1\ quart\ milk=\frac{3.18}{4}=\$0.795$

Second Price:

$1\ quart\ milk=\$0.76$

$Second\ price\ that\ is\ 1\ quart\ milk=\$0.76\ has\ better\ unit\ price$

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3 years ago