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coldgirl [10]
3 years ago
5

A CD player marked for $45 was sold for $58.50 due to its great popularity to

Mathematics
1 answer:
posledela3 years ago
3 0
77%

ineedmorethat20characterskenskwm
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What is the cross section shown below?
goldenfox [79]
<h3>Answer: Choice A) circle</h3>

Explanation:

Imagine that white rectangle as a blade that cuts the cylinder as the diagram shows. If you pull the top cylinder off and examine the bottom of that upper piece, then you'll see a circle forms. It's congruent to the circular face of the original cylinder. This is because the cutting plane is parallel to both base faces of the cylinder. Any sort of tilt will make an ellipse form. Keep in mind that any circle is an ellipse, but not vice versa.

Another example of a cross section: cut an orange along its center and notice that a circle (more or less) forms showing the inner part of the orange.

Yet another example of a cross section: Imagine an egyptian pyramid cut from the top most point on downward such that you vertically slice it in half. If you pull away one half, you should see a triangular cross section forms.

3 0
3 years ago
Read 2 more answers
Please only answer if you know the answer!!!
ExtremeBDS [4]

Answer:

y=3x

Step-by-step explanation:

y=mx+b, m is slope, b is y-intercept

5 0
3 years ago
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Simplify  ( √ 5 ) ( 3 √ 5 )
Amiraneli [1.4K]

Answer:

5^\frac{5}{6}

Step-by-step explanation:

\sqrt{5} can be represented as 5^{\frac{1}{2}} and \sqrt[3]5} can be represented as 5^{\frac{1}{3}}. Therefore, the expression can be rewritten as:

5^{\frac{1}{2}}*5^{\frac{1}{3}}

The rule for multiplying two exponents with the same base is you add the exponents. For example: x^m*x^k=x^{m+k}

We can use the same property to get:

5^{\frac{1}{2} +\frac{1}{3}}

which is just 5^\frac{5}{6} after you add the fractions

8 0
3 years ago
I have to solve this: (2x + 2/5)+(5x-4/5) and then simplify it.
joja [24]

Answer:

 35x - 2

 ———————

    5                  

i hope this helps

Step-by-step explanation:

6 0
2 years ago
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PLEASE HELP IMMEDIATELY!!!! Find x when – Negative one-half + x = –Negative StartFraction 21 over 4 EndFraction. – Negative Star
balu736 [363]

Answer:

-61/4

Step-by-step explanation:

-1/2 + x = - 21/4 - 23/4 - 19/4

-1/2 + x = -(21+23+19)/4

x = -63/4 + 1/2

x= -63/4 + 2/4

x = -61/4

Hope that helps, tell me if you need further explanation. =)

3 0
3 years ago
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