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3 years ago

Find a 3 by 3 magic square using numbers 2,5,8,12,15,18,22,25,29

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

3 0

I could not get it to work with all of those numbers. The only number that caused an issue was 29. I used 28 instead and it worked. I'm not sure if 29 was a typo, but I couldn't get 29 to work.

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If the initial figure is 10 and then it is dilated with a scale factor of 2 what's the perimeter of dilated figure?

Gelneren [198K]

Answer:

Step-by-step explanation:

Initial figure times scale factor = result

10 times 2 = 20

I hope this helps!

8 0

2 years ago

Hi again, need help on this please, This is for my End-Of-Year Test, help!

allsm [11]

The correct answer is the first one.

5 x 100 is correct.
9 x 1 is correct because the 9 is in the ones section, not the tens.
3 x 1/10 is correct because it is equal to 0.3.
7 x 1/1000 is correct because it is equal to 0.007.

Hope this helped! You’re welcome

4 0

3 years ago

I'm in 8th grade I need help with this question plz help me. Screen Shot 2021-01-29 at 1.10.42 PM

shtirl [24]

Yeah sure, but i need to see the picture to get your answer

3 0

3 years ago

Read 2 more answers

Find an exact value cos(19pi/12)

dmitriy555 [2]

$cos\left ( \frac{9\pi}{12}\right )=\frac{\sqrt{2-\sqrt{3}}}{2}$

Step-by-step explanation:

We know that

cos 2x = 2cos²x - 1

So we have

$cosx=\sqrt{\frac{1+cos2x}{2}}$

Substituting $x=\frac{19\pi}{12}$

$cos\left ( \frac{19\pi}{12}\right )=\sqrt{\frac{1+cos2\left ( \frac{19\pi}{12}\right )}{2}}\\\\cos\left ( \frac{19\pi}{12}\right )=\sqrt{\frac{1+cos\left ( \frac{19\pi}{6}\right )}{2}}\\\\cos\left ( \frac{9\pi}{12}\right )=\sqrt{\frac{1+cos570}{2}}\\\\cos\left ( \frac{9\pi}{12}\right )=\sqrt{\frac{1-\frac{\sqrt{3}}{2}}{2}}\\\\cos\left ( \frac{9\pi}{12}\right )=\sqrt{\frac{2-\sqrt{3}}{4}}\\\\cos\left ( \frac{9\pi}{12}\right )=\frac{\sqrt{2-\sqrt{3}}}{2}$

$cos\left ( \frac{9\pi}{12}\right )=\frac{\sqrt{2-\sqrt{3}}}{2}$

3 0

3 years ago

Read 2 more answers

What is the volume of the prism picture below

oksano4ka [1.4K]

Answer:

i think its 18.59

Step-by-step explanation:

3 0

3 years ago