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3 years ago

HELP HELP HELP HELP

Mathematics

1 answer:

Harrizon [31]3 years ago

4 0

Answer:

62.8cubic units

Step-by-step explanation:

volume of a cylinder isπ×radius×radius×height.hope it helps.

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Factor completely, then place the answer in the proper location on the grid. a3 - b3

kirill115 [55]

$\bf \textit{difference of cubes}
\\\\
a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad
(a+b)(a^2-ab+b^2)= a^3+b^3 
\\\\
a^3-b^3 = (a-b)(a^2+ab+b^2)\qquad
(a-b)(a^2+ab+b^2)= a^3-b^3\\\\
-------------------------------\\\\
a^3-b^3\implies (a-b)(a^2+ab+b^2)$

7 0

3 years ago

Read 2 more answers

ANSWER PLEASE NEED HELP

e-lub [12.9K]

Answer:

sry man i dont know

Step-by-step explanation:

7 0

3 years ago

Find the value of the x shown below.

WARRIOR [948]

It would be A. Because 2 squared + 10 squared = 104

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2 years ago

Find the value of x in the figure

nikdorinn [45]

Answer:

x=85

Step-by-step explanation:

The angles are vertical angles, therefore they are congruent. This means we can set them equal to each other.

x+5=90

Solve for x by isolating x. To do this, subtract 5 from both sides

x+5-5=90-5

x=85

So, x=85, and the second choice is correct.

3 0

3 years ago

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An experienced carpenter can frame a house twice as fast as an apprentice. Working together, it takes the carpenters 2 days. How

AleksAgata [21]

Answer:

6 days

Step-by-step explanation:

Let the time taken by Carpenter working alone = $C$ days

Then time taken by apprentice alone = Twice as that of taken by Carpenter = 2 $C$ days

Time taken working together = 2 days

Work done in one day working together = $\frac{1}{2}$

Work done in one day by Carpenter working alone = $\frac{1}{C}$

Work done in one day by apprentice working alone = $\frac{1}{2C}$

Work done in one day by Carpenter working alone + Work done in one day by Carpenter working alone = $\frac{1}{C}$ + $\frac{1}{2C}$ = Work done in one day working together = $\frac{1}{2}$

$\dfrac{1}{C}+\dfrac{1}{2C}=\dfrac{1}{2}\\\Rightarrow \dfrac{2+1}{2C}=\dfrac{1}{2}\\\Rightarrow C = 3\ days$

Time taken by Carpenter alone to complete the work = 3 days

Time taken by Apprentice alone to complete the work = 3 $\times$ 2= 6 days

4 0

3 years ago