If y varies directly as x , and y =-4 when x=8, find y when x=8

Answer:

y=-4

Explanation:

If y=-4 when x=8, y=-4 when x=8

Answer: y=-4

Explanation:

y = 4 when x = 8    So, 4 = 8k

                                  k = 1/2

y = (1/2)x

Thanks for the points <3

An air mass usually forms in an area of____.

a. low pressure because its stable
b. low pressure because its unstable
c. high pressure because its unstable
d. high pressure because its stable

If you have a box of candy that measures 8 inches long, 5 inches wide and 2 inches tall, how much room do you have for the candy

Which of the following best describes the basic purpose of the internet?



The internet protects the privacy of sensitive information.


The internet sends information from one computer to another.


The internet stores data.


The internet connects input and output devices to a computer.

The air-fuel mixture is actually burned during the:
(A) power stroke.
(B) intake stroke
(C) exhaust stroke.
(D) compression stroke.

tions #1-15 are worth 3 points each
1. By definition, Oxy-Acetylene welding is a process of
a. Fusion
b. Adhesion
C. Carbonation
d. Oxidation
Ladanhand format
oldin

Give me an A please!!!¡!!!!¡

Prelest! Introduction to Engineering and Technology 1 Select the correct answer. What technological invention allowed for the prevalence of automation? OA. external combustion engines OB. electromagnets OC. computers OD. internal combustion engines. please help me​

When checking your tires, it's most important to check their___.

A.springiness and color

B.inflation and tread depth

C.inflation and springiness

D.brand and traction

An engine has been diagnosed with blowby.
Technician A says the engine could have a
cracked flywheel. Technician B says the com-
pression rings could be worn. Who is right?
(A) A only
(B) Boniy
(C) Both A and B.
(D) Neither A nor B

A. A compound gear train is composed of four gears: E,F,G,H. Gear E has 15 teeth and is meshed with gear F. Gear F has 25 teeth and shares a shaft with Gear G, which has 18 teeth. Gear G is meshed with Gear H, the output gear. Power is supplied at gear E with 150 ft.lb of torque and is moving at 2000 rpm.
A. Sketch and annotate the gear train described above.

B. The necessary torque output of the system is 600 ft.lb. What should the gear ratio of the system be?
Formula Sub/solve Final answer(3 SF)


C. With a system torque output of 600 ft.lb, how many teeth should gear H have?
Formula Sub/solve Final answer(3 SF)

What role does heat play in the formation of convection currents?
Choose the correct answer.

A. When water loses heat, it becomes denser and sinks.

B. When water gains heat, it becomes denser and sinks.

C.When water loses heat to cooler water, the cooler water becomes denser and sinks.

D. When water gains heat, it dissolves more solids and gases, becomes denser, and sinks.

A horse pulls a cart along a road with a force of 550 lbs. If the horse does 2,674,100 ftlbs of work by the time it stops, how far did the horse pull the cart?

While rowing across a lake, John does 3960 ft-lbs of work over 120 ft. How much force is John using?

If y varies inversely as x, and y =14 when x=8 , find y when x=7