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rewona [7]
3 years ago
10

Day 4 please help i dont understand it

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
7 0
3200 divided by 8 (the number of boxes) =

H. 400 
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10. Which represents the number of lines of<br> symmetry that are possessed by a regular n-gon?
Irina18 [472]

Answer:

two n-gons hcogxigvugbu

6 0
3 years ago
A bottle of laundry detergent costs $4.95 per bottle. If you have a coupon for $2.00 off and your total is $7.90, how many bottl
RoseWind [281]
You bought 2 because if you add $7.90 and $2.00 the coupon you would get $9.90 so then you multiply $4.95 by 2 and you get $9.90 the exact amount we had before
8 0
3 years ago
I put $500 in the bank. I now have $5000in the bank. Every year my money increased by 5%. How long that it takes?
Mashutka [201]

Answer:

It takes 47.19 years

Step-by-step explanation:

Your amount on the bank is given by the following equation:

P(t) = P(0)(1+r)^{t}

In which P(t) is your current amount, P(0) is the initial amount, r is the rate it changes, and t is the time since the money has been put on the bank.

I put $500 in the bank.

This means that P(0) = 500

I now have $5000 in the bank.

This means that P(t) = 5000

Every year my money increased by 5%

This means that r = 0.05

How long that it takes?

This is t.

P(t) = P(0)(1+r)^{t}

5000 = 500(1.05)^{t}

(1.05)^{t} = \frac{5000}{500}

(1.05)^{t} = 10

\log{(1.05)^{t}} = \log{10}

We use the following logarithms property:

\log{a^{t}} = t\log{a}

So

t\log{1.05} = \log{10}

t = \frac{\log{10}}{\log{1.05}}

t = 47.19

It takes 47.19 years

8 0
4 years ago
Use multiplcation to solve the proportion. a/40 = 3/10​
max2010maxim [7]

Answer:

a=12

Step-by-step explanation:

a/40=3/10

10 x 4=40, so

3 x 4=12

a=12

8 0
3 years ago
Karen is cutting construction paper into rectangles for a project. She needs to cut one rectangle
Nata [24]
The answer should be that Karen needs about 224.5 square inches of construction paper
7 0
3 years ago
Read 2 more answers
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