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3 years ago

What is the length of the hypotenuse of the triangle?

Mathematics

1 answer:

sergeinik [125]3 years ago

3 0

17

This is gonna be confusing but this is how you solve stuff like this

8 x 8 = 64 15 x 15 = 225
64 + 225 = 289
Find the square root of 289
17

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A circular field has a area of 14400 sq ft <br> What is the diameter of the field?

Bingel [31]

Answer:

240/sqrt(pi)

Step-by-step explanation:

We know that the area of a circle is $pi*r^2$, and we also know that the diameter of a circle is equal to $2r$.

Let's first make an equation for this problem.

pi*r^2=14400

Dividing both sides by pi, we get

r^2=14400/pi

Now, taking the square root of both sides gives us

r=120/sqrt(pi)

We are trying to find the diameter, which is twice the size of the radius.

Thus, we multiply the equation by two.

2r=240/sqrt(pi)

6 0

3 years ago

The edges of a cube are 5 centimeters each and the diagonal of a face is approximately 7 centimeters. What is the approximate ar

pav-90 [236]

35 square centimeter

3 0

3 years ago

Solve for x.<br> -6x = -18

marta [7]

Answer:

Step-by-step explanation:

The goal is to get the x to be on one side of the equation on its own.

-6x = -18

To get rid of the -6, we would have to do the opposite of what it's doing in the equation - in this case, we would divide, as it's the opposite of multiplying.

What we do to one side of the equation, we have to do to the other.

-6x/-6 = x

-18/-6 = 3

x = 3

Hope that makes sense!

3 0

3 years ago

Read 2 more answers

Twenty-four students brought their permission slips to attend the class field trip to the local art museum. If this represented

lukranit [14]

If 24 students went on a field trip, and 24 students represented eight tenths of the class, then $24 = \frac{8}{10}x$ .
First, multiply by 10 on both sides.
240 = 8x
Divide by 8 on both sides.
x = 30.

The class has 30 students in all.
This is, however, only the equation way to solve.

7 0

3 years ago

How do you find the surface area of a octahedron

Alenkasestr [34]

If it's a regular octahedron, then you can calculate it using the formula $2\sqrt3a^2$ where $a$ is the length of the edge.
If it's not regular, you have to calculate the area of each side individually.

6 0

3 years ago