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2 years ago

Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long. explain

Mathematics

1 answer:

lana [24]2 years ago

6 0

7.8 or if you are rounding it’s eight

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Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per month, whe

Len [333]

Answer:

$S(t) = -18t^\frac{5}{3}+2440$

Company will take approximately 14 months

Step-by-step explanation:

Given function that shows the change rate of computers,

$S'(t)=-30 t^{\frac{2}{3}}$

Where,

t = number of months

On integrating,

$\int S'(t) = -30\int t^{\frac{2}{3}} dt$

$S(t) = -30(\frac{t^{\frac{2}{3}+1}}{\frac{2}{3}+1})+C$

$S(t) = -30 (\frac{t^{\frac{2+3}{3}}}{\frac{2+3}{3}})+C$

$S(t) = -30(\frac{t^\frac{5}{3}}{\frac{5}{3}})+C$

$S(t) = -30(\frac{3t^\frac{5}{3}}{5})+C$

$S(t) =-18t^\frac{5}{3}+C$

According to the question,

S(0) = 2,440,

$\implies -18(0)^\frac{5}{3}+C=2440\implies C = 2440$

Hence, the required function,

$S(t) = -18t^\frac{5}{3}+2440$

If S(t) = 1,000,

$-18t^\frac{5}{3}+2440=1000$

$-18t^\frac{5}{3}=-1440$

$t^\frac{5}{3}=80$

$t = (80)^\frac{3}{5}\approx 13.86$

6 0

2 years ago

Please help with number 1

Digiron [165]

The sum of the two smaller sides must be greater than longest side.

A) 3+2 > 7 ..... False

B) 6+10 > 14 ... True

C) 3+2 > 5 ....False

D) 23+18 > 42 ....False

Answer is B

8 0

3 years ago

Which of the following graphs is NOT a function?

MrMuchimi

Answer: B

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

I am a fraction greater than 1/2 and less than 6/8

VladimirAG [237]

3/4 because 1/2 equals 50% and 1/4 plus that would be 75% less than 6/8

5 0

3 years ago

Read 2 more answers

PLEASE HELP! GIVING POINTS :)!

masya89 [10]

Answer:

1 and 1/8

Step-by-step explanation:

6 0

3 years ago