2 years ago

Darryl ran 17.3 miles more than Imani last week. Darryl ran 26.3 miles. How many miles did Imani run?

Mathematics

1 answer:

daser333 [38]2 years ago

8 0

Answer:

9 miles

Step-by-step explanation:

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Anna007 [38]

You want to find the time t such that

$\$1000 = \$200 e^{0.04t}$

Divide both sides by $200 :

$\dfrac{\$1000}{\$200} = 5 = e^{0.04t}$

Take the logarithm of both sides:

$\ln(5) = \ln(e^{0.04t}) = 0.04t\ln(e) = 0.04t$

Divide both sides by 0.04 and solve for t :

$t = \dfrac{\ln(5)}{0.04} \approx 40.24 \approx \boxed{40}$

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2 years ago

a car uses 9 gallons of gasoline to go 162 miles. how many gallons of gasoline will the same car use to travel 216 miles?

Ber [7]

Answer:

$12\ gallons$

Step-by-step explanation:

Step 1: Determine the unit rate

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$18\ miles/gallon$

Step 2: Determine the amount of gasoline used for 216 miles

$216\ miles * (gallon / 18\ miles)$

$12\ gallons$

Answer: $12\ gallons$

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Step-by-step explanation:

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