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Keith_Richards [23]
3 years ago
9

What are two values for x?|x|=5

Mathematics
2 answers:
storchak [24]3 years ago
8 0

Answer:

-5 and 5

Step-by-step explanation:

the lines around the x tell you that even if its a negative, It has to become a positive. And if its already a positive, then it stays a positive.

yuradex [85]3 years ago
7 0

Answer:

1 and -5

Step-by-step explanation:

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According to the Rational Root Theorem, the following are potential roots of f(x) = 2x2 + 2x – 24.
Andrei [34K]

Answer:

The answer is 3 and (-4).

Step-by-step explanation:

We are given an equation 2x² + 2x – 24.

Let us assume that the equation is equal to zero.

2x² + 2x – 24 = 0

Now, divide whole equation by 2 we get,

x² + x – 12 = 0

x² + 4x – 3x – 12 = 0

x(x + 4) – 3(x + 4) = 0

(x – 3) (x + 4) = 0

x = 3, -4

Thus, The actual roots of f(x) are 3 and (-4).

7 0
2 years ago
According to​ psychologists, IQs are normally​ distributed, with a mean of 100 and a standard deviation of 15 . a. What percenta
Angelina_Jolie [31]
Answer: 34%.

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3 0
3 years ago
Nine wolves, eight female and one male, are to be released into the wild three at a time. If the male wolf is to be in the first
SCORPION-xisa [38]

Answer:

i would know if this was more detailed

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
List all of the correct numbers rounded to 56.8 when rounded to the nearest tenth don’t forget to put all of the answer
jek_recluse [69]

56.809

56.795

56.832

These all round up to 56.8

8 0
3 years ago
A chemist has three different acid solutions. The first acid solution contains
ehidna [41]
Let t, f, and s be the amount of 25%, 40%, and 60% solutions used.

We are told s=3f.  The general equation is:

100(0.25t+0.4f+0.6s)/(t+s+f)=45, and using s=3f  we have:

(0.25t+0.4f+1.8f)/(t+4f)=0.45

(0.25t+2.2f)/(t+4f)=0.45

0.25t+2.2f=0.45t+1.8f  

0.25t+0.4f=0.45t

0.4f=0.2t

t=2f, remembering that s=3f, will allow us to solve for f

t+s+f=60, using t and s from above

2f+3f+f=60

6f=60

f=10 L then

s=3f=30 L  and t=2f=20L

So 20L of 25%, 10L of 40%, and 30L of 60% acid solutions need to be mixed to make 60L of 45% acid solution.
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3 years ago
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