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3 years ago

Use the distributive property to rewrite the expression 3 (2+11)

Mathematics

1 answer:

kolbaska11 [484]3 years ago

4 0

Answer:

3(2+11) = 3x2 + 3x11

Step-by-step explanation:

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A robot can complete 8 tasks in 3/10 hour. Each task takes the same amount of time. How long does it take the robot to complete

Vsevolod [243]

Answer:

Robot will take $\frac{3}{80}$ hour to complete each task.

The robot can complete $26\frac{2}{3}$ tasks in one hour.

Step-by-step explanation:

We have been given that a robot can complete 8 tasks in 3/10 hour. Each task takes the same amount of time.

To find the time taken by robot to complete each task we will divide total time taken to complete 8 tasks by 8 as:

$\text{Time taken by robot to complete each task}=\frac{3}{10}\div 8$

$\text{Time taken by robot to complete each task}=\frac{3}{10}\div \frac{8}{1}$

Now we will convert division problem into multiplication problem by flipping the 2nd fraction.

$\text{Time taken by robot to complete each task}=\frac{3}{10}\times \frac{1}{8}$

$\text{Time taken by robot to complete each task}=\frac{3}{80}$

Therefore, robot will take $\frac{3}{80}$ hour to complete each task.

To find tasks completed by robot in one hour we will use proportions.

$\frac{x}{1\text{ hour}}=\frac{8}{\frac{3}{10}}$

$\frac{x}{1}=\frac{80}{3}$

$x=\frac{80}{3}$

$x=26\frac{2}{3}$

Therefore, the robot can complete $26\frac{2}{3}$ tasks in one hour.

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3 years ago

Which division fact corresponds to the problem of 8×9 equals 72

kondor19780726 [428]

Basically just do the problem backwards.
72÷9=8
72÷8=9

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4 years ago

USING SSS , SAS, ASA, & AAS WITH CONGRUENT TRIANGLES For each problem below, state each of the following: a ) state the cong

Mnenie [13.5K]

Answer: the answer is SSS I hope this is what u asked for let me now if it wasn't Have a great night :)

Step-by-step explanation:

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3 years ago

What goes in the blank?<br> A always<br> B sometimes<br> C never<br> D rarely

o-na [289]

I think it might be (b)

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3 years ago

Read 2 more answers

For for x.Help plz:) -2x+6=10

Sphinxa [80]

Answer:

x=-2

Step-by-step explanation:

Step 1: Subtract 6 from both sides.

−2x+6−6=10−6

−2x=4

Step 2: Divide both sides by -2.

−2x=4

7 0

3 years ago

Use the distributive property to rewrite the expression 3 (2+11)￼

Use the distributive property to rewrite the expression 3 (2+11)