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Kruka [31]
3 years ago
7

The length of a rectangular poster is 10 inches greater than the width. The perimeter is 100 inches. What is the LENGTH of the p

oster? (Hint find the width first then you can find the length.)
Mathematics
1 answer:
allochka39001 [22]3 years ago
3 0

Answer:

30

Step-by-step explanation:

The width is 20 and the length is 30.

20+30+20+30=100

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Gabriel invested $77,000 in an account paying an interest rate of 3%
const2013 [10]

Answer:

Isabella earn 5604.54 more money than  Gabriel

Step-by-step explanation:

As we know

Compound interest (CI) = P (1 + \frac{r}{n})^{nt}

P is the principal amount

t is the time period

n is the number of time periods

r is the rate of interest

a)  CI for  Gabriel

= 77000 (1 + \frac{3}{100*12})^{12*6} = 92165.03 dollars

b) CI for Isabella

= 77000 (1 + \frac{4}{100*4})^{4*6} = 97769.57 dollars

Isabella earn 5604.54 more money than  Gabriel

7 0
3 years ago
A baby elephant weighs 250 lb,
Sladkaya [172]
Tons would be 0.125
and Kg would be 113.636
5 0
3 years ago
Find the formula an for the nth term of the geometric sequence satisfying the following conditions: a1 = -2,
Alexeev081 [22]

Answer:

Step-by-step explanation:

a1 = - 2

an = a1 * r^(n - 1)

a6 = -486

-486 = - 2 * r^(6-1)                      Divide by 2

243 = r^5

The largest value that r could be is 3.

4^5 = 1024

(243)^(1/5) = 3

So the general formula

an = -2*(3)^(n - 1)

3 0
2 years ago
Expanded form of 670,200,640
Alona [7]
600,000,000+ 70,000,000+ 200,000+ 600+ 40
8 0
3 years ago
A survey found that women's heights are normally distributed with mean 62.8 inches and standard deviation of 2.5 inches. This su
Jet001 [13]
<span>a) 

Z*_Upper = (76 - 62.7)/2.5 = 5.32

Z*_Lower = (57 - 62.7)/2.5 = -2.28 

The requirement is to get p(-2.28 < Z < 5.32) = p(Z<5.32) - p(Z<-2.28). 

Use normal distribution table to get the answer for p and multiply with 100 to get the percentage. 

The other questions are now easy for you to answer on your own. Hope it helps.

</span>
4 0
3 years ago
Read 2 more answers
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