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Natalija [7]
3 years ago
15

Solve the equation 3n-8=7

Mathematics
2 answers:
ZanzabumX [31]3 years ago
8 0
Answer: n=5

Because...

3n-8+8=7+8
3n=15
Divide 3 in both sides...
n=5

Ivahew [28]3 years ago
8 0
N=5 use The distributive property
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Hello! :)
Rus_ich [418]

(Answer:

I believe the answer would be (B. 320)

Step-by-step explanation:

It states that Robert's uncle wants to plant 190 more acres of pumpkins then squash.  It doesn't say anything about him buying or using more land. So

Take 510 - 190 = 320.

So there will be 320 acres or pumpkins and only 190 acres of squash.

6 0
3 years ago
Find the number such that twice its square root is 14.​
NISA [10]

Answer:

49

Step-by-step explanation:

Let  be the unknown number. Twice means times 2. So, the mathematical sentence should be .

Divide both sides by 2.

   

To remove the radical symbol, raise both sides to the second power.

 

Thus, the answer is 49. Twice the square root of 49 is equal to 14.

*CREDIT* goes to CebuMath: https://brainly.ph/question/1047782

HE SOLVED THIS NOT ME.

4 0
3 years ago
Read 2 more answers
Choose the product. -7 p3 (4 p2 + 3 p - 1)
sashaice [31]

Answer:

The product is -28p5-3p4+7p4

Step-by-step explanation:

In this case we will use -7p3 to multiply all the figures in the bracket

Which means -28p5-3p4+7p3

Always remember that -×-=+ , +×+=+ ,-×+=-...

Thanks

7 0
3 years ago
Can a triangle have sides with lengths 2cm, 5cm and 3cm?​
kupik [55]
Answer: Yes

Explanation: When you add the lesser sides they must be at least equal to or greater than the largest side. 2+3 is 5, so this is possible.
8 0
3 years ago
Cher invested $10,000 in an account that earns 2% simple interest. If Cher makes no more deposits or withdrawals, then what will
Yanka [14]

Answer:

$10,600.00

Step-by-step explanation:

I=PRT

I=(10,000)(0.02)2

10,000

× .02

______

200

×3

____

600.00

+10000

________

10,600

3 0
3 years ago
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