Graph the function and identify the domain and range.

y = –0.5x2

Answers

Answer 1

Answer: Hello,

y=-0.5 x²
Domain : R (-infinty,+infinity)

Range R- (-infinity,0)

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This is a mix of the American customary unit system and the British imperial system. This is a non-metric unit system. Example: the foot and the mile are examples of measures in this unit system.

Answers

the English unit system

The English Unit System

Hope it helps!!!

Which is equal to the product of HJ?

Answers

H = 1st row 4 -2 5
2nd row 6 1 -3

J = 1st column 7 3 8

1st row and 1st column: 4*7 + -2*3 + 5*8 = 28 - 6 + 40 = 62
2nd row and 1st column: 6*7 + 1*3 + -3*8 = 42 + 3 - 24 = 21

Answer is 2nd option. 62 and 21.

Refer to pictures above real help please

Answers

Answer:

38.7°

Step-by-step explanation:

∆ = Tan-1(opposite/ Adjacent)

=Tan-1(8/10)

= 38.66°

= 38.7° to n nearest tenth

The difference between longitude and altitude

Answers

Hello there,

The difference are Longitude (shown as a vertical line) is the angular distance, in degrees, minutes, and seconds, of a point east or west of the Prime (Greenwich) Meridian. Lines of longitude are often referred to as meridians.

And altitude is the height of an object or point in relation to sea level or ground level , great height

Lincoln Technical College has 856 students. They expect 700 guests for a special speaker. The custodian has set up 1,500 chairs. How many more chairs are needed if everyone is to have a seat?

Answers

Answer:

the answer would be 56 if you have plato your welcome =)

Step-by-step explanation:

Answer:

A. 56 more

Step-by-step explanation:

856 students + 700 guest = 1,556

The custodian only set out 1,500 chairs so 56 more are needed.

Help me please seriously my work is due at 2pmThe beam from a lighthouse is visible for a distance of 14 mi. To the nearest square mile, what is the area covered by the beam as it sweeps in an arc of 270°?

The beam covers an area of _____ mi^2.