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3 years ago

9

Ayshays new bike has 26 inch diameter wheels. What is the circumference of her new wheel? Give your answer correct to 1 decimal

place.

1 answer:

tatuchka [14]3 years ago

6 0

Answer:

87.96 will be 88.0

Step-by-step explanation:

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Which property is used in the first step to solve this equation?

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Answer:

distributive property

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3 years ago

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Luna at $50 when she got to the carnival after riding 12 rides she had twenty-six dollars left what was the price of which equat

Finger [1]

$\frac{50 - 26}{12} = x$
$\frac{24}{12} = x$
$2 = x$

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On Monday, David woke up at 7:25 A.M. and went to sleep at 8:30 P.M. How long was David awake?

kaheart [24]

13h and 5min. Hope this helps:)

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3 years ago

A family wants to save for college tuition for their daughter. What continuous yearly interest rate r% is needed in their saving

sergey [27]

Answer:

The continuous yearly interest is 22.5% per year.

Step-by-step explanation:

Continuous yearly interest:

Continuous yearly interest is defined as the sum of the interest comes from principle and the interest comes from interest.

The formula for continuous interest yearly is

$A=Pe^{rt}$

where A = The final amount =$110,000

P= principle =$4,700

r= rate of interest

t= time (in year)= 14 years

$\therefore 110,000= 4,700e^{r\times 14}$

$\Rightarrow e^{14r}= \frac{110,000}{4,700}$

Taking ln both sides

$\Rightarrow ln e^{14r}= ln(\frac{110,000}{4,700})$

$\Rightarrow {14r}= ln(\frac{1100}{47})$

$\Rightarrow r=\frac{ln( \frac{1100}{47})}{14}$

$\Rightarrow r = 0.225$ (approx)

The continuous yearly interest is 0.225 = 22.5% per year.

4 0

3 years ago

If s pool holds 22,000 gallon how long will it take to fill a pool at a rate of 400 gallon per minute round to the nearest tenth

worty [1.4K]

T=volume÷rate
this will cancel out gal and leave min

22000 gal ÷ 400 gal/min

55 min

3 0

3 years ago