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3 years ago

10

Brianna bought 5 bananas for 1 dollar. Sal bought 5 bananas at $.49 a pound. If a banana weighs about 5 ounces, who got the bett

er buy?

1 answer:

vfiekz [6]3 years ago

4 0

Answer:

Sal

Step-by-step explanation:

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algol13

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3 years ago

A man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream. Fin

pochemuha

The speed of the current is 40.34 mph approximately.

<u>SOLUTION: </u>

Given, a man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream.

We have to find the speed of the current if the speed of the boat is 11 mph in still water. Now, let the speed of river be a mph. Then, speed of boat in upstream will be a-11 mph and speed in downstream will be a+11 mph.

And, we know that, $\text{ distance } =\text{ speed }\times \text{ time }$

$\begin{array}{l}{\text { So, for upstream } \rightarrow 40=(a-11) \times \text { time taken } \rightarrow \text { time taken }=\frac{40}{a-11}} \\\\ {\text { And for downstream } \rightarrow 70=(a+11) \times \text { time taken } \rightarrow \text { time taken }=\frac{70}{a+11}}\end{array}$

We are given that, time taken for both are same. So $\frac{40}{a-11}=\frac{70}{a+11}$

$\begin{array}{l}{\rightarrow 40(a+11)=70(a-11)} \\\\ {\rightarrow 40 a+440=70 a-770} \\\\ {\rightarrow 70 a-40 a=770+440} \\\\ {\rightarrow 30 a=1210} \\\\ {\rightarrow a=40.33}\end{array}$

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3 years ago

What is the surface area of the triangular pyramid that can be formed from this net? A net of a triangular pyramid. The area of

Sedaia [141]

Answer:

The answer is 150

Step-by-step explanation:

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3 years ago

(536872353653255 X 66436554169699994574)=A<br><br> A=Answer

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Answer:

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Step-by-step explanation:

Oo answer A

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3 years ago

Which expression represents the distance between 1.8 and 9.4 on the number line?

zhuklara [117]

Answer:

|9.4-1.8|

Step-by-step explanation:

To find distance, you take the largest value minus the smallest value and then take the absolute value of that because distance can't be negative.

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3 years ago