MATHEMATICS HIGH SCHOOL

D - 9 = -13 *
Your answer

Answers

Answer 1
Answer: The answer to this question is -4

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Help I keep failing! Thx in advance! Will give brainliest

Answers

Answer:

C. Antoine can buy 10 pounds or less of oranges. x=10

Step-by-step explanation:

If you take the amount of money he has and subtract $5.20 from it (bc of the pumpkin) you get $13. Then you divide $13 by $1.30. (the amount each pound of oranges cost) He can get either 10 pound or less of oranges with the money he has.

I hope this helped. I'm new to Brainly so I'm trying to help any way I can. Hope this helped you!

What is 49 to the negative power 1/2?

Answers

So say you have just 49 raised to the 1/2, that is equivocal to the square root of 49, which is 7. Instead, you have 49 raised to the negative half power, so all you need to do is move that term to the denominator of its fraction. You now have 1/49^(1/2) which turns out to be 1/7
49^-1/2
=1/49^1/2
= 1/Square root of 49
=1/7

750 is divisible by which of these numbers?a. 2 3 4 5 and 9
b.2 3 4 5 6 and 10
c. 2 3 4 6 and 9
d. 2 3 4 5 6 9 and 10

Answers

I don't think it can be divisible by four. the last two digits need to be divisible by four, and 50 isn't divisible by four.

A race car moving along a circular track has a centripetal acceleration of 12 m/s. Ifthe distance between the car and the center of the track is 40 m, what is the speed
of the car?

Answers

Answer:

The speed of the car is 21.91 m/s

Step-by-step explanation:

Centripetal Acceleration

It's the acceleration experienced by an object in a uniform circular motion.

It always points toward the center of rotation and is perpendicular to the linear velocity v.

The magnitude of the centripetal acceleration is:

\displaystyle a_c=(v^2)/(r)

Where r is the radius of rotation.

The race car has a centripetal acceleration of a_c=12 m/s^2 and the radius of rotation is r=40 m.

We can calculate the speed of the car by solving the above equation for v:

v=√(a_c\cdot r)

v=√(12\cdot 40)

v=√(480)

v=21.91\ m/s

The speed of the car is 21.91 m/s

Which linear system has the solution (6, 6)A:4x - 3y = -1 -2x + y = -3
B: x + y = 12 3x - 2y = 6
C: 3x + y = 4 4x - 3y = 1
D: 4x + 3y = 0 2x - y = 0

Answers

B: x+y=12 3x-2y=6
6+6=12 (3×6)-(2×6)=6
By substituting x = 6 and y = 6 into the options we have that the correst answer is option B.

PLZZZ!!!!!! HELPA pillar candle is shaped like a cylinder with a radius of 1.5 inches. The candle holds 123 cubic inches of wax. How tall is the candle? Use 3.14 for pi. Round your answer to the nearest hundredth.
12.50 in
15.76 in
17.41 in
18.76 in

Answers

Answer:  The correct option is (C) 17.41 in.

Step-by-step explanation:  Given that a pillar candle is shaped like a cylinder with a radius of 1.5 inches and the candle holds 123 cubic inches of wax.

We are to find the height of the candle.

We know that the VOLUME of a cylinder with radius r units and height h units is given by

V=\pi r^2h.

For the given cylindrical candle, we have

radius, r = 1.5 inches

and

VOLUME, V = 123 cubic inches.

height, h = ?

We have

V=\pi r^2h\n\n\Rightarrow 123=3.14* (1.5)^2* h\n\n\Rightarrow h=(123)/(3.14*2.25)\n\n\n\Rightarrow h=(123)/(7.065)\n\n\Rightarrow h=17.4097.

Rounding to nearest hundredth, h = 17.41 in.

Thus, the Candle is 17.41 inches tall.

Option (C) is CORRECT.
17.41- The formula for the volume of a cylinder is pi radius squared times height. (i.e. the area of the base times the height).  You have pi 1.5 squared times height =123.  Then you square it so you have 2.25 pi h= 123. then you have 7.065h=123. The you do algebra and you get 17.409, and round it to 17.41.
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