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antiseptic1488 [7]
4 years ago
12

What is the value of x?

Mathematics
1 answer:
hodyreva [135]4 years ago
4 0
Where is the equation
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G−9=−19<br><br> Help plz <br><br><br> Pleaseeeeee
Kay [80]

Answer:

g = -10

Step-by-step explanation:

5 0
3 years ago
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Select the solid whose cross sections are dilations of some two-dimensional shape using a point directly above the shape as a ce
s2008m [1.1K]

Answer:

Cone

Step-by-step explanation:

Options:

a) Cone      b)  Cube     c)  Cylinder    d)  Triangular prism

From the given options (a) to (d), option (a) is true.

This is so, because.

The volume (V) of a cone  is:

V_1 = \frac{1}{3}\pi r^2h

This is as a result of dilating the cylinder by 1/3 whose volume is:

V_2 = \pi r^2h

In other words:

V_1 = \frac{1}{3}V_2

<em>i.e. the cross-section of the cylinder (V2) being dilated by 1/3 (which is between 0 and 1) gives the cone (V1)</em>

6 0
3 years ago
How many times 0.25 can be<br>subtracted from 5 ?​
Morgarella [4.7K]
20,
just do 5/0.25
use a calculator
8 0
3 years ago
Read 2 more answers
*WILL GIVE BRAINLIEST FOR BEST ANSWER*
dusya [7]

The number of fish in the bucket before Jasper feeds the dolphins was 12.

Since Jasper won the raffle at the zoo and gets to feed the dolphins, and the dolphin trainer gives Jasper a bucket of fish to divide evenly among 4 dolphins, and each dolphin gets 3 fish, to find the number of fish F in the bucket Before Jasper feeds the dolphins, the following equation must be performed:

  • Number of dolphins = D
  • Fish for each dolphin = E
  • Total fish = F
  • D x E = F
  • 4 x 3 = F
  • 12 = F

Therefore, the number of fish in the bucket before Jasper feeds the dolphins was 12.

Learn more about maths in brainly.com/question/25843658

6 0
3 years ago
A cylindrical can, open at the top, is to hold 840 cm3 of liquid. Find the height and radius that minimize the amount of materia
ycow [4]

Answer:

the radius of the base is equal to x=2\sqrt[3]{\frac{105}{\pi } }

And the height is equal to:

y=\frac{840}{\pi(2\sqrt[3]{\frac{105}{\pi}})^{2} }

Step-by-step explanation:

We write the volume function

f(x,y)=840=\pi x^{2} y where x is the radius of the base and y is the height of the cylinder

y=\frac{840}{\pi x^{2} }

The surface of a cylinder is given by

S(x)=\pi x^{2} +2\pi xy=\pi x^{2} +\frac{1680}{x} on the interval from 0 to infinity

We now determine the critical values by differentiating and making the equation equal to 0

f'(x)=2\pi*x- \frac{1680}{x^{2}} =\frac{2\pi x^{3}-1680}{x^{2} } =0

This equation have 2 complex solutions and one real solution

x=2\sqrt[3]{\frac{105}{\pi } }

For x=0 and infinity the equation goes to infinity also so the radius of the base is equal to x=2\sqrt[3]{\frac{105}{\pi } }

And the height is equal to:

y=\frac{840}{\pi (2\sqrt[3]{\frac{105}{\pi } })^{2} }

y=\frac{840}{\pi(2\sqrt[3]{\frac{105}{\pi}})^{2} }

7 0
3 years ago
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