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Flura [38]
3 years ago
7

HELP! I Need To Finish Before Class Starts Tomorrow

Mathematics
1 answer:
Helga [31]3 years ago
8 0
49
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You might be interested in
2(4 - 2r) = -2(r + 5)
Alexus [3.1K]
2(4 - 2r) = -2(r + 5)

First, divide both sides by -2. / Your problem should look like: -4 + 2r = r + 5
Second, regroup your terms. / Your problem should look like: 2r - 4 = r + 5
Third, add 4 to both sides. / Your problem should look like: 2r = r + 5  + 4
Fourth, add r + 5 + 4 to get r + 9. / Your problem should look like:2r = r + 9
Fifth, subtract r from both sides. / Your problem should look like: 2r - r = 9
Sixth, subtract 2r - r to get r. / Your problem should look like: r = 9

Answer: r = 9

5 0
3 years ago
Read 2 more answers
3 + x, when the value of x is 15
lora16 [44]

Answer:

The answer is 18

Step-by-step explanation:

If you add 15 to 3 then you get 18

Hope this helps!!! :)

7 0
3 years ago
Read 2 more answers
4(x+5) = 4x +5x it's probably easy but i'm dumb
Irina18 [472]
<span>4(x+5) = 4x +5x

Simplify by distributing and combining like terms
</span>(4)(x)+(4)(5)=4x+5x
4x+20=4x+5x
4x+20=(4x+5x)
4x+20=9x

Subtract 9x from each side
4x+20−9x=9x−9x
5x+20=0
<span />
Subtract 20 from each side
−5x+20−20=0−20
−5x=−20

Divide each side by -5
-5x ÷ -5 = -20 ÷ -5
x = 4

P.S this was actually harder than most algebra problems, so don't beat yourself about it :D<span /><span /><span /><span /><span />
6 0
3 years ago
Graph the set. in number line<br> (1, ∞) ∩ (−10, ∞)
svlad2 [7]

See attachment for the graph of the set (1, ∞) ∩ (−10, ∞)

<h3>How to graph the set on a number line?</h3>

The set is given as:

(1, ∞) ∩ (−10, ∞)

The above means that the numbers inclusive in the set are numbers between the following set:

  • (1, ∞): All real numbers greater than 1
  • (−10, ∞): All real numbers greater than -10

The intersection of the above set is (1, ∞)

This means that the set (1, ∞) ∩ (−10, ∞) is a set of all real numbers greater than 1

Having done the above illustration, next we plot the set on a number line

See attachment for the graph of the set (1, ∞) ∩ (−10, ∞)

Read more about number lines at:

brainly.com/question/24644930

#SPJ1

7 0
2 years ago
Pls help i really need it
o-na [289]

Answer:

D

Step-by-step explanation:

Since a <em>fraction</em> is a division problem, you can do every answer and compare them until you get them in order, which D is the most reliable.

8 0
2 years ago
Read 2 more answers
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