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Katarina [22]
3 years ago
12

Please help will give brainliest and 30 pts

Mathematics
1 answer:
Rus_ich [418]3 years ago
3 0
You’re not giving 30 points, you’re only giving 5
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How do I solve (|x-3|+5|x|) ?
11111nata11111 [884]

Answer:

x≤0 ⇒|x-3|+5|x| = -6x + 3

0≤x≤3 ⇒ |x-3|+5|x| = 4x + 3

x≥3 ⇒ |x-3|+5|x| = 6x - 3

Step-by-step explanation:

Check the picture below.

6 0
3 years ago
Find highest common factor 12 & 20
eimsori [14]
It's 4. The factors of 12 are: 1,2,3,4,6,12. The factors of 20 are: 1,2,4,5,10,20.
5 0
3 years ago
Read 2 more answers
Solve for bbb.<br> -3b+2.5 = 4−3b+2.5=4
Anna11 [10]
The answer is not possible because both most common factors cancel each other out
7 0
3 years ago
Read 2 more answers
Solve 7x - 2(x + 1) = 6x + 14 <br><br> A) -12 <br><br> B) 12<br><br> C) -16<br><br> D) 16
anzhelika [568]
<span>7x - 2(x + 1) = 6x + 14 
</span><span>7x - 2x - 2 = 6x + 14 
5x - 2 = 6x + 14
6x - 5x = -2 - 14
         x = -16

answer
</span><span>C) -16</span>
3 0
3 years ago
A set of piano prices distributed at a mean of 3000 and a standard deviation of 200 dollars. An electric piano has a price of 25
lana [24]

Answer:

The proportion of piano prices higher than the electric piano is 98.3%

Step-by-step explanation:

The first thing to do here is to calculate the standard score of the price of the electric piano given.

Mathematically, this is

z-score = (x-mean)/SD

where mean is 3000 and SD is 200, x is 2576

z-score = (2576-3000)/200 = -2.12

Now we proceed to calculate the probability of this z-score

The probability we are trying to calculate is

P( x > $2576) or simply P ( z > -2.12)

Using standard score probability calculator or table, we have

P(x>2576) = 1 - P(x<2576)

But, P(x<2576) = 0.017003

P(x>2576) = 1 - P(x<2576) = 0.983

This is same as 98.3%

4 0
3 years ago
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