All categories

3 years ago

PLEASE HELP WORTH 10

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

8 0

D. The change in the elevators height for every one additional second

You might be interested in

BEAT THE TESTI

GrogVix [38]

Step-by-step explanation:

2x + 5 = 19; X = 7: Correct

2(7) + 5 = 19

14+5=19

3+x+2-x=16; x=3 : Incorrect

3+3+2-3=16

6+2-3=16

7-3=16

4=16

x+2/5=2; x = 8: incorrect

8+2/5=2

x= 8/5

6 = 2x -8; x = 7: correct

6 = 2(7) -8

6 = 14-8

14 =1/3x+5; x = 18: Incorrect

14 = 18/3+5

14 = 6+5

4 0

3 years ago

What is the equation of the line in slope-intercept form

Ivenika [448]

Answer:

y=1/3x+45

Step-by-step explanation:

8 0

3 years ago

What is the temperature in degrees Celsius that is equivalent to a temperature of 40 F?

Ludmilka [50]

Hi! So given the equation you are given, you plug in 40 for F, making your equation look like this: C=(5/9)(40-32). Using PEDMAS, Subtract 32 from 40 which gives you 8 and then multiply by 8. Your answer as an improper fraction should be 40/9 which you can then reduce to 4(4/9).

5 0

4 years ago

"Filipe" was playing with a triangle on a coordinate plane. The triangle's area is 242424 square units. The largest circle he ca

Charra [1.4K]

Answer:

52.33% is the correct answer.

Step-by-step explanation:

Given that:

Area of triangle = 24 sq units

Center of Circle is at (0, 0) and the circle passes through (1.2, 1.6).

To find: The percentage of triangle covered by circle.

Solution: To find the required percentage, we need to find the area of circle.

To find the area of circle, we need the radius of circle.

Radius of circle is the distance between the center of circle and any point that lies on the periphery of the circle.

We can use Distance formula :

$D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Radius = $\sqrt{(1.2-0)^2+(1.6-0)^2} = \sqrt{1.44+2.56} = \sqrt{4} = 2\ units$

Now, area of circle is given by the formula:

Area = $\pi r^{2}$

Area = 3.14 $\times 2^{2}$ = 12.56 sq units

Percentage of Triangle covered:

$\dfrac{Area\ of\ circle}{Area\ of\ triangle}\times 100\\\Rightarrow \dfrac{12.56}{24}\times 100\\\Rightarrow 52.33\%$

Hence, 52.33% is the correct answer.

5 0

4 years ago

How does the volume of a sphere with a radius 2 cm compare to the volume of a sphere with a radius 1 cm?

Free_Kalibri [48]

Answer: It is about 29.3 cm larger.

Explanation: The volume of a sphere is 4/3πr^3.

To compare the two volumes, we can simply subtract the smaller volume from the larger one.

(4/3*π*2^3)-(4/3*π*1^3)=29.32153=29.3.

4 0

3 years ago