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3 years ago

Please help asap 50 points!

Mathematics

2 answers:

jeyben [28]3 years ago

5 0

Answer:

first to last second to middle and last to top

STatiana [176]3 years ago

4 0

√(6y) = √(36+2y)

Let's just solve it then match.

Squaring both sides; may introduce extraneous solutions.

6y = 36 + 2y

Adding -2y to both sides

4y = 36

Dividing both sides by 4

y = 9

Checking

√((6)(9))=√54

√(36+2(9)) = √54, good

Answer:

6y = 36 + 2y by the squaring property of equality

4y = 36 by the subtraction property of equality

y = 9 by the division property of equality

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The volume of a sphere is 4/3pi cm^3<br> what is the diameter of the sphere?

aleksandrvk [35]

The Diameter of sphere is 2cm.

Step-by-step explanation:

Given,

Volume of sphere = $\frac{4}{3}\pi \ cm^3$

Let,

diameter = d

As we know,

Volume of sphere = $\frac{4}{3}\pi \ r^3$

Therefore,

$\frac{4}{3}\pi\ r^3 = \frac{4}{3}\pi \\Multiplying\ both\ sides\ by\ \frac{3}{4\pi }\\\frac{3}{4\pi }*\frac{4}{3}\pi \ r^3 = \frac{4}{3}\pi * \frac{3}{4\pi }\\r^3=1\\(r)^3=(1)^3\\r=1$

We know that,

Diameter = 2r

Diameter = 2*1

Diameter = 2 cm

The Diameter of sphere is 2cm.

Keywords: Volume, Diameter

Learn more about diameters at:

#LearnwithBrainly

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3 years ago

Which expression finds the measure of an angle that is coterminal with a 126° angle?

N76 [4]

The expression that gives an angle that is coterminal with 126 is 126 + 720n. Two angles are said to be coterminal if when they are drawn in a standard position, their terminal sides are on the same location. The expression will give an angle which when it is drawn the terminal sides are on the same location with the 126 angle.

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4 years ago

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Bruce has a rope that is 21 feet long he needs to cut the rope into 1/5 long peices. How many strips can Bruce cut from his rope

dybincka [34]

Bruce has a rope that is 21 feet long he needs to cut the rope into 1/5 long pieces.

The length of the rope = 21 feet

the length of each strip = $\frac{1}{5}$