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Law Incorporation [45]
1 year ago
10

Mr. Toney gets his car washed every 15 days. Mr. Brown gets his car washed every 20 days. Today, they are both getting their car

s washed. IN how many days will they both be getting their car washed?
HELP NEEDED ASAP
Mathematics
2 answers:
irina1246 [14]1 year ago
8 0
They will both be getting their car washed in 60 days.

Toney: 15, 30, 45, 60
Brown: 20, 40, 60
Count the amount of days (or multiply) until the days for both match up
Zinaida [17]1 year ago
6 0
They both get their cars washed on every 60th day.


You can solve this equation by finding the lcm (least common multiple):

15 30 45 60 75 90 105

20 40 60 80 100

The lowest common multiple is 60 as it is the first multiple the two have in common.

So, in sixty days, they’ll both get their car washed again

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8.)What is the Measurement of angle 2?<br><br> 9.) What is the measure of angle 7?
EastWind [94]

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2 years ago
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3 years ago
Angus has $3,000 he want to invest. What interest rate compounded continuously does an account need to offer so that Angus has $
kaheart [24]

Answer:

The interest rate is 7.58%

Step-by-step explanation:

Compound continuous interest can be calculated using the formula:

A = Pe^{rt}, where

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∵ Angus has $3,000 he want to invest

∴ P = 3000

∵ The interest rate is compounded continuously

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∴ t = 8

→ Substitute them in the rule above to find r

∵ 5500 = 3000e^{8r}

→ Divide both sides by 3000

∴ \frac{11}{6} = e^{8r}

→ Insert ㏑ in both sides

∵ ㏑( \frac{11}{6} ) = ㏑(e^{8r})

→ Remember ㏑(e^{n}) = n

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→ Divide both sides by 8

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→ Round it to the nearest hundredth

∴ r ≅ 7.58

∴ The interest rate is 7.58%

3 0
2 years ago
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