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slamgirl [31]
3 years ago
7

Enter the value of p so that the expression 3(n + 5) is equlvalent to (n + p)3

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

p=5

Step-by-step explanation:

a(x+y) is also (x+y)a

So if 3(n+5) has to be equivalent to (n+p)3, then p has to be 5.

---

hope it helps

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Marianna average 84 on her first three history exams. The first score was 67 the second score was seven less than the third scor
wel
Let S=score on the second exam, then
(67+S+(S+7))/3=84
cross multiply
2S+74=252
2S=178
S=89
So second exam: 89
third exam=89+7=96
Check: (67+89+96)/3=84 ok.
7 0
3 years ago
8) 3/
Vaselesa [24]

Answer:

0.0085× 100= 0.85℅

Step-by-step explanation:

okay so you want 3/8 from 44 as percentage but how can you put the 3/8 on top of the 44 to multilply it by 100 to get the percentage, ofcourse we will have to change the 3/8 into a whole number. To do that we are going to do the following.

= 3 ÷ 8 = 0.375, so here you got a number that you can put on the 44.

Now to get the percentage we are going to do this:

0.375/44 × 100

= 0.0085 × 100 ( I solved the 0.375/44 as you know that division always comes first in maths)

= 0.85℅ ( I solved the 0.0085 × 100)

°•°•° I hope this helped sorry for taking long °•°•° May I get brainliest if you liked my ans im trying to lvl up ty and its okay if you don't want to

7 0
2 years ago
What is the solution to the system of equations y=-5x+30 x=10
svlad2 [7]

Answer:

-20

Step-by-step explanation:

Just plug in 10 for x in the first equation.

y = -5 (10) + 30 = -50 + 30 = -20

4 0
3 years ago
The equation 5x-10y=10 is written in standard form. What is the first step when solving for x?
sattari [20]
Isolate the y variable on one side.
3 0
3 years ago
Read 2 more answers
3. Kylie has 14 polished stones. Her friend
AfilCa [17]
Answer: 14 + 6 = 20

Explanation:
She has 14 stones to start with. Her friend gives 6 stones. She now has a total of 20 stones.
3 0
3 years ago
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