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PtichkaEL [24]
3 years ago
10

4. 5^4 x 5^7 A. 125^11 B. 15^11 C. 5^28 D. 5^11

Mathematics
1 answer:
alex41 [277]3 years ago
6 0

When multiply 2 numbers raised to a power,

Just all the  two exponents

4 +7 = 11

So 5^4 x 5^7 would become D. 5^11

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Answer:

No, he switched the values for the variables.

7 0
3 years ago
What is the value or 8n when n = 2?
ICE Princess25 [194]
<span>what is the value or 8n when n = 2?
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Plug in n into the expression 8n.
8(2) = 8 x 2 = 16

Hope this helps. 
5 0
4 years ago
Read 2 more answers
Lilly took out an 80/20 mortgage to buy a house costing $100,000. The first
adoni [48]

Answer:

$442.1 per month

Step-by-step explanation:

Lilly took 80/20 mortgage to buy house costing $ 100000

80% × 100000 = 80000 for the first at 4.75%

80000 × 4.75% = 80000 × 0.0475 = $ 3800 as interest per year,

20% × 100000 =  20000 for the second mortgage

20000 × 7.525% = 20000 × 0.07525 = 1505 as interest per year

add the first interest and the second interest

3800 + 1505 = 5305

divide the answer by 12 months to find the monthly payment

5305 / 12 = $442.1 per month

8 0
3 years ago
Read 2 more answers
You borrowed $1,500 at 6% compounded annually. your payments are $90 at the end of each year. how many years will you make payme
olga nikolaevna [1]
Given the formula for future value annuity:
FV of annuity=P[(1+r)^n-1]/r
where:
P=principle
r=rate
n=time
the time taken to repay the loan will be:
1500=90[(1+0.06)^n-1]/0.06
90=90[(1+0.06)^n-1]
1=(1+0.06)^n-1
1+1=(1+0.06)^n
2=1.06^n
introduce natural log
ln2=nln1.06
n=ln2/ln1.06
n=11.8957=12 years
the answer is 12 years.
5 0
3 years ago
Estimate the sum by rounding to the tens place <br><br> 4,351<br> 4,174<br> 3,233<br> +5,155<br> ———
Makovka662 [10]
The sum of them is 16,910 would be your answer
8 0
3 years ago
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