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lys-0071 [83]
3 years ago
9

What is the volume of the regular pyramid bellow?

Mathematics
2 answers:
Svet_ta [14]3 years ago
8 0

Answer:

128 units^3

Step-by-step explanation:

v =  \frac{b \times b \times h}{3} =  \\  =  \frac{8 \times 8 \times 6}{3} =  \\  = 128 \:  {units}^{3}

andrey2020 [161]3 years ago
5 0

Step-by-step explanation:

base areas x height / 3

a^2 . h / 3

8^2 . 6 / 3

= 128 units^3

iyi ödevler

have a good lesson

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How do I solve this?​
Paladinen [302]

Answer:

the answer is 4

Step-by-step explanation:

i added and subtracted and got 4

6 0
3 years ago
This is from Khan academy I have to attach a PNG if you can help me solve it! Thank you!
Mekhanik [1.2K]

49^2m-m : Not equivalent

7^2m-2m : Not equivalent

7^2m-m : Not equivalent

This is actually a trick question. All of the following are actually false statements. Want to know why? Let me show you.

For exponents, if you are dividing a number to some power (i.e 5^3) by the SAME number to a different power (i.e 5^2), then the expression is 5^3-2 or 5^1 = 5. This is true for any number a such that a^b ÷ a^c = a^b-c.

Since 7 and 49 are not the same number, this rule does not apply and thus cannot be simplified any further.

Let me prove why. 5^3 = 125, and 5^2 = 25, and 125 ÷ 25 = 5. This is also the same as 5^3-2 = 5^1 = 5. We just proved this as so.

But, what about 7 and 49, or 2 different numbers. Well it doesn't apply. 7^3 = 343, and 49^2 = 2401, and 343 ÷ 2401 ≈ 0.14. Thus, this is NOT equal to 7^3-2 which is 7. We just proved that a^y ÷ b^z ≠ a^y-z. Congratulations!

Hope this helped!

7 0
1 year ago
Solve the inequality −3(x−43)≤6
Archy [21]

Answer:

x<41

Step-by-step explanation:

-3(x-43)<6

-3x+129<6

-3x<-123

x<41

6 0
2 years ago
N the diagram, point O is the center of the circle and mADB = 43°. If mAOB = mBOC, what is mBDC?
Sonja [21]
The answer is 43°
Angle ADB is an inscribed angle which means arc AB has an angle twice that of angle ADB. The angle of the arc would be the same as that of the central angle AOB. So, mAOB = 86°. And since, mAOB = mBOC, then mBOC = 86° and arc BC has a measure of 86° as well. Angle BDC intercepts the arc BC which means half of the angle of arc BC is mBDC. So, mBDC = 43.

3 0
2 years ago
Anyone know this answer?
Veseljchak [2.6K]
M<NQN = 180° - 2[180° - (60° + 80°)]
m<NQM = 100°
~100°
4 0
3 years ago
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