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uysha [10]
3 years ago
14

Please, be quick!

Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0

Answer:

It is the square (I'm assuming that one is D)

Step-by-step explanation:

Note that it specifically states that it is a "square pyramid". This means that the base is a square, and the other 4 sides create the pyramid.

Also note that the cross-section cuts by a plane "parallel to the base", suggesting that it will have the same shape as the base.

Since the base is a square, ∴ the plane cross-section will also be a square.

~

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2(vh)/k=r Solve equation for v in terms of all other variables involved
aivan3 [116]

The equation v in terms of other variables is v = kr/2h

<h3>What is the subject of an equation?</h3>

It is a variable which is expressed in terms of other variables involved in the formula.

Formulas are written so that a single variable, the subject of the formula is on the L.H.S. of the equation. Everything else goes on the right side of the equation. We evaluate the formula by substituting for the literal numbers on the right hand side.

2(vh) / k = r

by cross multiplication

2(vh) = kr

divide both sides by 2h

v = kr/2h

In conclusion, v in terms of other variables is  kr/2h

Learn more about subject of an equation: brainly.com/question/657646

#SPJ1

6 0
1 year ago
PLEASE HELP!!!
ki77a [65]
Part A:
I have attached the graph of this system of inequalities.

Part B:
Plug in (8,10) into both equations

10 > 3(8) + 10
10 > 24 + 10
10 > 34

This is false!

10 < (-3/4)(8) - 1
10 < (-3)(2) - 1
10 < -6 - 1
10 < -7

This is also false!

So, (8,10) is not included in the solution area for the system.

3 0
3 years ago
In a sample of 800 U.S.​ adults, 219 think that most celebrities are good role models. Two U.S. adults are selected from this sa
shutvik [7]

Answer:

Step-by-step explanation:

A.

P=(219/800)×(218/799)≈0.0747≈0.075

B.

800-219=581

P=(581/800)×(580/799)≈0.527

c.

P( 1 think role models  and one thinks not role models)+P(both thinks they are role models)=(219/800)×(581/799)+(219/800)×(218/799)=(219×581+219×218)/(800×799)

=[219(581+218)]/(800×799)

=(219×799)/(800×799)

=219/800

=0.27375

=0.274

7 0
3 years ago
Math help plz
bija089 [108]

Answer:

I guess this is the answer hope it helps

8 0
3 years ago
Hii please help i’ll give brainliest
erica [24]
Quadrant 2
The last answer choice
7 0
3 years ago
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