3 years ago

How do you simplify 16+(f+4)

1 answer:

3 0

First you have to simply distribute the + through the parentheses

16+f+4

Then you combine like terms (in this case the 16 and the 4)

f+20

16+(f+4) simplified is f+20

Hope this helps!!

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Choose the answer based on the most efficient method as presented in the lesson.

Mashcka [7]

Answer:

You would not subtract 3...

Step-by-step explanation:

It should be

2x- 8= 5x+3

subtract 5x from both sides,

then add 8 onto both sides, then you would get 0 on one side, and 11 on the other so you would have

-3=11 which equals

3.6

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3 years ago

For how many integral values of n are the numbers 2n, 3n and 10 - n the lengths of the sides of an obtuse triangle?

zlopas [31]

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Step-by-step explanation:

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3 years ago

27 solid iron spheres, each of radius 'xcm'ate melted to form a sphere with radius 'ycm',find the ratio x:y

r-ruslan [8.4K]

Answer:3:1

Step-by-step explanation:

Given

There are 27 solid spheres of radius x cm

The volume of a sphere is $\frac{4}{3}\pi r^3$

The volume of 27 old spheres is the same as the volume of a new sphere

The volume of the old spheres is

$V_o=\dfrac{4}{3}\pi x^3$

The volume of a new sphere is

$V_n=\dfrac{4}{3}\pi y^3$

Now, $V_o=V_n$

$\Rightarrow 27\times \dfrac{4}{3}\pi x^3=\dfrac{4}{3}\pi y^3\\\\\Rightarrow (\dfrac{x}{y})^3=27\\\\\Rightarrow \dfrac{x}{y}=3$

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3 years ago

Determine whether each pair of expressions is equivalent.show your work. 4p + 3c and (c +2p)(2)

shtirl [24]

Answer:

Not equivalent

Step-by-step explanation:

4p + 3c

(c + 2p)(2)

2c + 4p

No equal

3 0

3 years ago

Read 2 more answers

find the value of c that makes each trinomial a perfect square. then write the trinomial as a perfect square. the equation , x^2

mr Goodwill [35]

Therefore, the value of C should be (11/2)^2

<span>To square a fraction, take the square of the numerator and put it over the square of the denominator. So since 11^2=121 and 2^2=4, (11/2)^2
(11)^2/(2)^2=121/4
</span>

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3 0

3 years ago