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Mademuasel [1]
3 years ago
14

PLS HELP ILL GIVE BRAINLY

Mathematics
1 answer:
viktelen [127]3 years ago
4 0
Not a function because input has two outputs. 9 goes to two different numbers which make it not a function
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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
4 years ago
Read 2 more answers
The radius of a cone is 5cm the heigth of the cone is 18 cm what is the volume of the cone
nikitadnepr [17]
6-8 cm is the answer!! Hope this helps!
3 0
3 years ago
Rearrange to make x the subject of 4(x-3)/a=y
IrinaVladis [17]

Answer: x = a*y + 3

Step-by-step explanation:

To make x the subject of the equation, first, we open the bracket

4x - 12/a = y

Then cross multiply:

4x - 12 = a * y ( a*y means the product of the two variables)

Add 12 to both sides of the equation

4x = a*y + 12

Divide both sides by 4 to get the value of x

x = a * y + 12/4

x = a*y + 3

I hope this helps.

4 0
3 years ago
Please help with this question PLEASE!
yuradex [85]

Answer:

48 cm²

Step-by-step explanation:

The copper part is two equal triangles, find a triangle's area by counting squares and multiply by two.

Total copper=(Triangle area)(2)

=b(h)(½)(2)

=b(h)

=(6)(8)

=48 cm²

6 0
3 years ago
Four hundred meters of fencing is provided to fence three sides of a rectangular pasture. One side is bounded by an existing wal
Sidana [21]
150x100= 15,000 square meters
150x2= 300
100 + 300 = 400 meters of fencing
5 0
3 years ago
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