3 years ago

Evaluate -4a+8z if a=8 and z=3?

Mathematics

1 answer:

vladimir1956 [14]3 years ago

4 0

Answer:

-8

Step-by-step explanation:

-4 x 8 = -32

8 x 3 = 24

-32 + 24 = -8

Hope this is right and helps!

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3 years ago

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3 years ago

A machine wheel spins at a rate of 500 revolutions per minute. If the wheel has a diameter of 80 centimeters, what is the angula

Setler [38]

The angular speed of the wheel is calculated as 52.36 radians per second

<h3>How to solve for the angular speed</h3>

The revolution of this wheel is said to be at 500 in a minute

This is also called the frequency of this wheel.

This can be written as

500rev in 60 seconds. 500/60 = 8.333 per second

Angular speed is given as

pi = 22/7

f = 8.333

Formular for angular speed = ω = 2*pi*f

w = 2 * 22/7 * 8.333

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Read more on angular speed here:

brainly.com/question/6860269

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2 years ago

URGENT HELP NEED!!! I WILL REWARD LOTS OF POINTS FOR THIS QUESTION!!! ANY IRRALEVENT OR SILLY QUESTION WILL BE INSTANTLY REPORTE

Ipatiy [6.2K]

Let the points be A,B,C

A(0,0)
B(24,16)
C(8,20)

$\\ \bull\sf\leadsto AB=\sqrt{(24-0)^2+(16-0)^2}=\sqrt{24^2-16^2}=\sqrt{576-256}=\sqrt{320}=17.4units$ (leg3)

$\\ \bull\sf\leadsto AC=\sqrt{(8-0)^2+(20-0)^2}=\sqrt{8^2+20^2}=\sqrt{64+400}=\sqrt{464}=21.4units$ (leg1)

$\\ \bull\sf\leadsto BC=\sqrt{(24-8)^2+(26-20)^2}=\sqrt{16^2+(-4)^2}=\sqrt{256+16}=\sqrt{272}=16.4units$ (leg2)

We have to find perimeter

$\\ \bull\sf\leadsto Perimeter=AB+AC+BC$

$\\ \bull\sf\leadsto Periemter=17.4+16.4+21.4$

$\\ \bull\sf\leadsto Perimeter=55.2units$

The length of leg3=17.4units

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3 years ago

Read 2 more answers

12<br> 13<br> 13<br> 14<br> 10.954<br> Find volume

LekaFEV [45]

Answer:

311005.968^2

im pretty sure that is it

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2 years ago

Evaluate -4a+8z if a=8 and z=3?​

Evaluate -4a+8z if a=8 and z=3?