3 years ago

Solve the system 2x-y+3z=-8

1 answer:

4 0

X=12y+−32z−4, now Im not too sure if that would be the correct awnser but I used a external calculator

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A car rental agency advertised renting a car for $26.95 per day and $0.27 per mile. If David rents this car for 3 days, how many

Lapatulllka [165]

Step-by-step explanation:

1 day = $ 26.95

3 days = 26.95 × 3

= $80.85

Remainder = $100 - $80.85

= $19.15

1 mile = $ 0.27

= $19.15 ÷ $0.27

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2 years ago

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Hal says the volume of the sphere shown below 36 cm3. Find the correct volume, using 3.14 for pi. Round to the nearest hundredth

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Answer:

Volume of sphere is $35.98cm^3$

Step-by-step explanation:

It is given that Hal says that volume of sphere is $36cm^3$

Volume of sphere is given by $V=\frac{4}{3}\pi r^3$

$\frac{4}{3}\pi r^3=36$

$\pi r^3=27$

$r^3=8.594$

$r=2.048cm$

Now using 3.14 in place of $\pi$

Now volume of sphere is

$V=\frac{4}{3}\times 3.14\times 2.048^3$

$V=35.98cm^3$

Therefore volume of sphere when we use 3.14 in place of $\pi$ is $35.98cm^3$

And the Hal likely error is he uses $\pi$ directly for calculation of volume.

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3 years ago

Find the missing term. Picture attached. Helppp

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Idk lol I’m just writing this for the 100% sorry

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3 years ago

A diver descended 45.98 feet in 12.1 minutes. What was the diver's average change in elevation per minute?

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The answer should be 3.8

You can find this by dividing the total descent by the minutes the descent took

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