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4 years ago

I need help, thank you

Mathematics

2 answers:

natali 33 [55]4 years ago

7 0

Plot it on point (-2,-1)

mario62 [17]4 years ago

4 0

-2,-1 is the answer

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A dvd has a diameter of 15 milimeters. Which equation can help you determine the circumference

Elis [28]

Pi multiplied by the diameter or pi multiplied by 2 times the radius. 2(pi)r or pi(d). Pi is commonly simplified to 3.14

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3 years ago

How long did it take Ted to drive 272 miles if his average speed was 68 mph

coldgirl [10]

V-speed
t-time
s-distance

$v=\dfrac{s}{t}\to t=\dfrac{s}{v}$

s = 272 mi; v = 68 mph; t = ?

subtitute

$t=\dfrac{272}{68}\ h=4h$

Answer: Ted drove 4h.

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4 years ago

Triangle ABC is an isosceles triangle.

Vlada [557]

Answer:

3. 110°

Step-by-step explanation:

8 0

3 years ago

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9. What's the least common multiple (LCM) of 2, 6, and 8?

algol [13]

Answer:

Step-by-step explanation:

The LCM or least common multiple of these numbers is 24

To get 24, you list all the multiple of these numbers until they all share at least one

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24

6, 12, 18, 24

8, 16, 24

They all share 24 so this is the LCM

Hope this helps

-GoldenWolfX

3 0

3 years ago

Which expression is a perfect cube?

Alex17521 [72]

Answer:

Only $y^{24}$ is a perfect cube.

Step-by-step explanation:

$x^{8}$ is not a perfect cube because 8 is not a multiple of 3.

Now, $y^{24}$ is a perfect cube since 24 is a multiple of 3.

So, $y^{24}$ can be expressed as

$y^{24} =y^{8+8+8}= y^{8} \times y^{8} \times y^{8}= (y^{8}) ^{3}$

Again, $m^{28}$ is not a perfect cube as 28 is not a multiple of 3.

And also $s^{64}$ is not a perfect cube as 64 is not a multiple of 3.

Therefore, only $y^{24}$ is a perfect cube. (Answer)

5 0

4 years ago

Read 2 more answers