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2 years ago

About how many students do not prefer non- fiction?

Mathematics

1 answer:

slamgirl [31]2 years ago

8 0

Answer:

B. 75%

Step-by-step explanation:

If about a quarter ( 25% ) do like non-fiction, then we know that the rest do not prefer it ( 75% )

75 + 25 = 100

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I don’t get this can someone please help me?

FinnZ [79.3K]

The price difference/ the original price and times the whole equation by 100 (to get the percentage).

> ($50/$150) x 100 = 33% (rounded)

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2 years ago

Read 2 more answers

A. 12 + 4x = 6x + 10 – 2x

GalinKa [24]

An equation has infinitely many solutions if it can be manipulated all the way to an identity (i.e. an equality where the right and left hand side are the same). We have:

A) $12+4x=6x+10-2x \iff 12+4x=10+4x \iff 12=10$

which is impossible

B) $5x+14-4x=23+x-9 \iff x+14 = x+14$

which is an equality

C) $x+9-0.8x=5.2x+17-8\iff 0.2x+9=5.2x+9 \iff 0.2x=5.2x\iff x=0$

which has a unique solution

D) $4x-2x=20 \iff 2x=20 \iff x=10$

which has a unique solution

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3 years ago

Factor 3x2 - 15x - 42.

11Alexandr11 [23.1K]

3 x^{2} - 15x - 42
(x-7)(x+2)
x-7=0 x+2=0
x=7,-2

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3 years ago

Will mark brainliest !!!<br> Solve for x.<br> 23=1000

BlackZzzverrR [31]

Answer:

x=10

Step-by-step explanation:

10x10x10 =1000

10^3=1000

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2 years ago

Read 2 more answers

Worth 10pts!!! Can someone help?

gulaghasi [49]

Answer:

-4

Step-by-step explanation:

The average rate of change of the interval [a,b] is (f(b)−f(a)) / (b−a)

Replacing a=−5, b=4, f(x)=−x^2−5x+12.

(f(b)−f(a))/(b−a) =12−5x4− 4^2 − (12−5 x(−5)−(−5)^2)/ (4−(−5))= −4.

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2 years ago