3 years ago

Evaluate 4x + y for x = 5 and y = 4 * please help

Mathematics

2 answers:

Aleks [24]3 years ago

8 0

Answer:

Step-by-step explanation:

4x+y

4 times 5 is 20

then add 4

So the answer is 24.

tester [92]3 years ago

4 0

Plug in both x and y values into the equation.

4(5) + 4

20 + 4

24 is your answer. I hope this helps!

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diamong [38]

Answer:

Volume = 42.8 cubic centimeters

Step-by-step explanation:

The volume of right circular cone is:

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

Where

r is the radius

h is the height

We are given height of 9.1 cm

h = 9.1

We aren't given radius explicitly, we are given circumference of 13.3, so we need to figure out radius from that. Lets do this:

$C=2\pi r\\13.3=2\pi r\\r=\frac{13.3}{2\pi}\\r=2.12$

So,

r = 2.12

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$V=\frac{1}{3}\pi r^2 h\\V=\frac{1}{3}\pi (2.12)^2 (9.1)\\V=42.83$

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Step-by-step explanation:

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