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Leto [7]
3 years ago
8

I need to know if the following questions are true or false

Mathematics
1 answer:
Triss [41]3 years ago
5 0

Answer:

False

Step-by-step explanation:

To find <A, we can do 5x - 80 = 3x + 20.

As we simplify, we will get 2x = 100, which is x = 50

Therefore, <A will be 50 degrees and not 45 degrees.

Also, if you need y, you can do:

3y - 7 = y + 7

2y = 14

y = 7

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The formula for the volume of a cone is V = jarh, where V is the volume, r is the radius, and h Is the heightWhat is the volume
olga nikolaevna [1]

Given:

The radius, r=4x

The height,

h=21xy^2

To find the volume of the cone:

The volume of the cone formula is,

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

Substitute the values of r and h in the above formula we get,

\begin{gathered} V=\frac{1}{3}\pi\times(4x)^2\times21xy^2 \\ =\frac{1}{3}\pi\times16x^2\times21xy^2 \\ =\pi\times16x^2\times7xy^2 \\ =112\pi x^3y^2 \end{gathered}

Hence, the volume of the cone is

V=112\pi x^3y^2

Thus, the correct option is option D.

7 0
11 months ago
Can a linear function be continuous but not have a domain and range of all real numbers
vovangra [49]
Yes. As long as it is linear, it will be continuous no matter the numbers. Now, I have no idea what a "real" number is, but I hope this helped. 
5 0
3 years ago
Help I literally don’t understand
STatiana [176]
Can you get a better shot of the problem?
5 0
3 years ago
Patti's Pet Palace has an 85-gallon fish tank. When it needs to be cleaned, it can be drained at a rate of 2 gallons per minute.
QveST [7]

Answer:

c y=2x-85 I think so please check if I'm wrong

I think c

6 0
3 years ago
Read 2 more answers
1/4 cups is how much pints
oksano4ka [1.4K]
First we need the equivalence between cups and pints to solve this question, the equivalence is:
1 cup is 0.5 pint
So we can use a rule of three simple, direct proportion to solve the problem, we change the fraction 1/4 = 0.25 to ease calculations:
1 cup ----> 0.5 pint
0.25 cup ---> x

x = (0.25)(0.5)/1
x = 0.125

Therefore 1/4 cups is equivalent to 0.125 pints
5 0
3 years ago
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