3 years ago

Solve for x. 2x squared-36=0

Mathematics

1 answer:

Sholpan [36]3 years ago

5 0

Answer=4.24

Step-by-step explanation:

You might be interested in

If a triangle has one angle of 79 and a second angle of 58, what are the measures of angles 1 and 2

lorasvet [3.4K]

The answer is A for apex

6 0

3 years ago

What would be the volume of (a) air (b) plastic in a ball with 25cm diameter made from plastic 2mm thick?

morpeh [17]

Answer:

Part a) The volume of the air is $V=7,794.78\ cm^{3}$

Part b) The volume of the plastic is $V=386.45\ cm^{3}$

Step-by-step explanation:

we know that

The volume of the sphere is equal to

$V=\frac{4}{3}\pi r^{3}$

step 1

Find the volume of the complete ball (air +plastic)

we have

$r=25/2=12.5\ cm$ ------> the radius is half the diameter

substitute

$V=\frac{4}{3}\pi (12.5)^{3}$

$V=8,181.23\ cm^{3}$

step 2

Find the volume of the air

we have that

The plastic is 2 mm thick

Convert to cm

2 mm=2/10=0.2 cm

The radius of the interior of the ball is

$r=12.5-0.2=12.3\ cm$

substitute

$V=\frac{4}{3}\pi (12.3)^{3}$

$V=7,794.78\ cm^{3}$ -----> this is the volume of the air (interior of the ball)

step 3

Find the volume of the plastic

we know that

The volume of the plastic is equal to the volume of the complete ball minus the volume of the air

$8,181.23\ cm^{3}-7,794.78\ cm^{3}=386.45\ cm^{3}$

3 0

3 years ago

Read 2 more answers

A classroom contains 33 students. In the classroom, 6 students wear red shirts, 11 wear white shirts, 8 wear black shirts, and t

-Dominant- [34]

Answer:

She picked white because the board is white

8 0

3 years ago

Read 2 more answers

Lol plz help I need this answer ASAP

Tanya [424]

Answer:

I believe the answer is ten.

Step-by-step explanation:

the line to CA is the same length as AE so you would double it to get ten for CD.

hope this helps!

5 0

3 years ago

Read 2 more answers

3•3•3 in exponential form

shtirl [24]

3 with a little 3 in the top right corner because your are multiplying 3 times

5 0

3 years ago

Read 2 more answers