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svet-max [94.6K]
3 years ago
12

Which best explains why |–4| = 4?​

Mathematics
1 answer:
kodGreya [7K]3 years ago
8 0

Answer:

It's because the little lines around -4 are called absolute value functions, and their function is to make any negative value to positive. If there are a positive value in an absolute value function, it stays positive, for example:

|-2| = 2, and  |2| = 2

Hope this helps!

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Anyone wanna help me answer this? Help me out please
devlian [24]

Answer:

(-1,5\frac{1}{2})

(0, 6)

(1, 6\frac{1}{2})

(2, 7)

Step-by-step explanation:

Just implement x and solve for y.

7 0
3 years ago
If 4x = 28 , find the value of 29-5x
Levart [38]
First you would solve 4x=28. Divide both sides by 4 and you'll get x= 7. Then you plug in the 7 in replacement for the x in the equation, 29-5x and you'll get as an answer -6!!
3 0
4 years ago
15. In triangle ∆PQR, C is the centroid.
Dmitrij [34]

Because C is the centroid, therefore:

Segments PZ = ZR;  RY = YQ; QX = XP<span>

<span>A.
If CY = 10, then </span></span>

PC = 2*CY = 20<span>
PY = PC + CY = 20 + 10 = 30
Answer:      PC = 20</span>      PY = 30

B.
If QC = 10, then

ZC = QC/2 = 5<span>
ZQ = ZC + QC = 5 + 10 = 15
Answer:      ZC = 5</span>        ZQ = 15

<span>C.
<span>If PX = 20
Because the median RX bisects side PQ, therefore PX = QX = 20
PQ = PX + QX = 40
Answer:      <span>PQ = 40</span></span></span>

5 0
3 years ago
4) -6x + 5y = 1<br> 6x + 4y=-10
I am Lyosha [343]

Answer:

x = - 1, y = - 1

Step-by-step explanation:

- 6x + 5y = 1 (1)

6x + 4y = - 10 (2)

Add (1) to (2) sides by sides

9y=-9

Dividing both sides by 9

y = -1

Substitute y = -1 into equation (2)

6x + 4(-1) = - 10

6x = -6

x = - 1

4 0
4 years ago
Read 2 more answers
1. Ashley and Emma are reading the same article. Ashley is on page 1 of
konstantin123 [22]

Answer:

It will take 6 minutes by Ashley and Emma to read the same amount of pages.

Step-by-step explanation:

Let in 't' minutes Ashley and Emma will read the same amount of pages.

If  Ashley can read one page in a minute then she can read the number of pages in t minutes = 1×t =t

If she starts from page 1 then after time 't' she will be at the page = (t + 1)

Similarly, if Emma takes 3 minutes to read the amount of pages = 1

Then she can read amount of pages in t minutes = \frac{t}{3}

If Emma starts from page 5 then after t minutes she will be at the page = (\frac{t}{3}+5)

If both have read the same amount of pages then,

(t+1)=\frac{t}{3}+5

t-\frac{t}{3}=5-1

\frac{2t}{3}=4

t = 6 minutes

Therefore, it will take 6 minutes by Ashley and Emma to read the same amount of pages.

7 0
3 years ago
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