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Artist 52 [7]
3 years ago
15

I need help with my Geometry. 50 POINTS!!! WILL GIVE BRAINLIEST!!!

Mathematics
1 answer:
zimovet [89]3 years ago
5 0

Answer: (8,9)

Step-by-step

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7n + 6(n+4) -15 <br><br> how do i solve this with a step by step example
GrogVix [38]

Answer:

  13n +9

Step-by-step explanation:

There is nothing to solve. We can simplify the expression by eliminating parentheses and combining like terms.

  7n +6(n +4) -15 . . . . . . given

  7n +6n +6(4) -15 . . . . use the distributive property

  (7 +6)n +(24 -15) . . . .identify and group like terms

  13n +9 . . . . . . . . . . combine like terms

8 0
2 years ago
Help me please!!!??<br>​
Inessa [10]

Answer:

1/6

0.95833333333

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
For how many hours did each young man practice the piano?
Anna [14]
Donell practiced 7 hours and Marcus practiced 4
5 0
4 years ago
Micah needs $18,500 to purchase a boat. How much money will he need to invest today in a savings account earning 3.2% interest,
charle [14.2K]
We have that every quarter, he will get an 0.8% interest rate. We also have that there will be 14*4=56 periods of repayment. We have that by the formula, if there are n periods and x% is the interest rate, the capital is multiplied by (100+x%)^n.
Suppose Micah invests x money. Then, we have that after 14 years, the capital available will be C=x*(1.008)^{56}=x*1.562. We have that C=18500$ and hence that 18500=x*1.562. Thus, solving for x we have that x=11841$.
Micah will need to invest only 11841$ in order to pay for his boat; this shows the importance of saving since he earns a lot of money, around 7k $.
6 0
3 years ago
Unit rate for 15 degrees in 2 hours
Tpy6a [65]
A unit rate is something per one. 

That means that we also need to include units so that we could know what we are talking about. 

Basically divide, since this one is simple. 

15/2 = 7.5

7.5 degrees per hour is our unit rate 
4 0
3 years ago
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