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QveST [7]
4 years ago
11

Kelly drives 448 miles on the highway to visit her xousin. She uses cruise control to drive at a constant speed . Kelly travels

192 miles in the first 3 hours. At that rate, how long will the trip take?
Mathematics
2 answers:
katrin2010 [14]4 years ago
7 0

192 miles divided by 3 hours = 64 miles per hour

448 miles / 64 miles per hour = 7 hours total for the trip

photoshop1234 [79]4 years ago
7 0

Answer:

Trip will take 7 hours to complete.

Step-by-step explanation:

Kelly drives 192 miles in the first 3 hours.

Speed of Kelly to cover 192 miles = \frac{\text{Distance}}{\text{Time}}

                                                        = \frac{192}{3}

                                                        = 64 miles per hour

Kelly travels with the same speed to cover the whole distance.

Therefore, time taken to cover 448 miles = \frac{\text{Distance}}{\text{Speed}}

= \frac{448}{64}

= 7 hours

Kelly will meet his cousin after 7 hours.

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Plug in

A = 1/2 (20.3)(6.2)

A = 62.93

Answer

62.93 cm^2

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aleksandr82 [10.1K]

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Step-by-step explanation:

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Peter hired two combine operators to harvest his 260 acres of wheat. He expected a yield of 50 bushels per acre. The first opera
OlgaM077 [116]

Answer:

The amount in dollars of wheat saved by the first operator is;

\text{ \$1,556.10}

Explanation:

Given that Peter hired two combine operators to harvest his 260 acres of wheat.

And it yeilds 50 bushels per acre.

The total amount of bushels of wheat on the field is;

\begin{gathered} T=260\times50 \\ T=13,000\text{ bushels} \end{gathered}

Since each operator harvest the same amount;

\text{opertor 1= Operator 2 = }\frac{13000}{2}=6500\text{ bushels each}

If operator 1 loss 3%, the remaining amount is;

\begin{gathered} A_1=6500-3\text{ \% of 6500} \\ A_1=6500-(0.03)6500 \\ A_1=6305\text{ bushels} \end{gathered}

Operator 2 loss 5%, the remaining amount is;

\begin{gathered} A_2=6500-0.05(6500) \\ A_2=6175\text{ bushels} \end{gathered}

The amount of bushels save by the first operator compared to the second operator is;

\Delta A=A_1-A_2=6305-6175=130\text{ bushels}

if wheat is sold for $11.97 per bushel, the amount in dollars of wheat saved by the first operator is;

\begin{gathered} C=130\text{ bushels }\times\text{ \$11.97 per bushel} \\ C=\text{ \$1,556.10} \end{gathered}

The amount in dollars of wheat saved by the first operator is;

\text{ \$1,556.10}

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1 year ago
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strojnjashka [21]

Answer:

$26.74

Step-by-step explanation:

24.99 x .07= 1.7493

24.99+1.7493= 26.7393

Round to nearest cent

$26.74

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Answer:

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Given

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