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Shalnov [3]
3 years ago
6

The GCF of seven and 21 is

Mathematics
1 answer:
iris [78.8K]3 years ago
6 0

Answer: gcf is 7

Step-by-step explanation:

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A wheel spins at 300 revolutions per minute. What is the angular velocity of the wheel, in radians per second? Round the answer
Ostrovityanka [42]

well, this is just a matter of simple unit conversion, so let's recall that one revolution on a circle is just one-go-around, radians wise that'll be 2π, and we also know that 1 minute has 60 seconds, let's use those values for our product.

\cfrac{300~~\begin{matrix} r \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{~~\begin{matrix} min \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }\cdot \cfrac{2\pi ~rad}{~~\begin{matrix} r \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }\cdot \cfrac{~~\begin{matrix} min \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{60secs}\implies \cfrac{(300)(2\pi )rad}{60secs}\implies 10\pi ~\frac{rad}{secs}\approx 31.42~\frac{rad}{secs}

7 0
2 years ago
Four times a number, minus 6, is equal to three times the number, plus 8
djyliett [7]

Answer:

let the number be x

4x-6=3x+8

Step-by-step explanation:

hope this helps you

If yes then do mark my answer as brainliest

8 0
3 years ago
Read 2 more answers
What is the answer to this in degrees
sasho [114]

Answer:

155

Step-by-step explanation:

As the diagram shows, it looks the same as the other side. In, that case it would be the same so 155.

4 0
3 years ago
Read 2 more answers
I'm having trouble figuring out how I could go about this. Can someone work it out then explain so that I know how to do this ne
skad [1K]

Answer:

RT-ST=QS-ST, because subtracting the same quantity from two lines that have been stated to be equal.

Therefore RS=TQ

Angle R=Angle Q, because it is an isosceles triangle

Triangle AR

S is congruent to ATQ.

AT=AS

Because TAS is isosceles, angles 5 and 6 are equal.

Therefore, angles 4 and 7 are equal, because they are supplementary angles of the same angle.

And angles 1 and 3 are equal, because the other two angles in the triangle are equal.

The triangles RAT and QAS are congruent with SAS.

Step-by-step explanation: Can u gimme brain plz!

6 0
3 years ago
In ABC, c is a right angle, what is the measure of x
lozanna [386]

Answer:

45

Step-by-step explanation:

90+2x=180

2x=180-90

2x=90

x=90/2

x=45

3 0
3 years ago
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