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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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What is the simple interest for a principal of $650 invested at a rate of 9% for 5 years?
Ne4ueva [31]

Answer: 292.50 dollars

Work Shown:

P = 650 is the the principal.

r = 0.09 is the interest rate in decimal form.

t = 5 is the number of years.

i = P*r*t

i = 650*0.09*5

i = 292.50 is the simple interest.

8 0
3 years ago
today, price of a new cell phone is $129. in 2000, the price of a similar cell phone was $240. what is the percent of change in
Ludmilka [50]
To figure this out, you put how much money you changed from then to now as your numerator. So you would have -111 over your original price, which is 240. now, all you have to do is do negative 111÷240 which should be 0.4625. then, to find your percent, all you have to do is move your decimal over to places to the right. 46% decrease!
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3 years ago
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PtichkaEL [24]




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6 0
2 years ago
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HELP PLS PLS PLS PLS PLS PLS!
Liono4ka [1.6K]

Answer:

angle ABC is 48⁰

Step-by-step explanation:

angle BCD will be 111⁰ it will be equal to DAB.

111+111+90=312⁰

kite is a quadrilateral so its angles add up to 360⁰

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3 0
2 years ago
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Answer:

D. 1.3

Step-by-step explanation:

5(1.3) = 6.5

Since the value of r is .2 less than b, b would be 1.5

2(1.5) = 3

6.5+3=9.5

3 0
3 years ago
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