X+3-3= -6<br> its my quick hot sauce

What is the volume of the square pyramid with the base edges 24 ft and height

liberstina [14]

Answer:

A

Step-by-step explanation:

The volume of a pyramid is one third the height times the area of the base.

V = ⅓ h A

The base is a square, so the area is the width times length.

V = ⅓ h wl

Problem is, we don't know the height, only the slant length. But we can use this to find the height.

If we cut a cross section down the middle of the pyramid, we get an isosceles triangle. The base of the triangle is 24, and the legs are 37.

If we cut this triangle in half, we get two right triangles. Each right triangle has a base of 12 and a hypotenuse of 37.

Now we can use Pythagorean theorem to find the height of the triangle, which is also the height of the pyramid.

c² = a² + b²

37² = 12² + h²

h = 35

Now we can find the volume. h = 35, w = 24, and l = 24:

V = ⅓ h wl

V = ⅓ (35) (24) (24)

V = 6720

So the volume is 6720 ft³, or answer A.

8 0

3 years ago

Convert 891 km/minute to mph

svetlana [45]

Well just multiply 891 with 1.6
To get 1425.6mph

3 0

3 years ago

Answer super fast for brainliest an 50 points

tensa zangetsu [6.8K]

Answer: 60% increase followed by a 40% decrease belongs in less than original. A 50% increase followed by a 33 1/3 decrease also belong in less than original. A $20 decrease followed by a $20 increase belongs in same as original. A 75% decrease followed by a 50% increase belongs in less than original. A 100% increase followed by a 33 1/3 decrease belongs in less than original.

Step-by-step explanation:

Hope this helps :)

6 0

2 years ago

An electrician charges a flat fee for each job plus an hourly rate . He charged one customer $90 for a job that took him 3 hours

lianna [129]

Answer:

let x equal the service charge.

let y equal the per hour charge.

for the job that cost 450, the equation is 450 = x + 6y

for the job that cost 330, the equation is 330 = x + 4y

these two equations needs to be solved simultaneously.

subtract the second equation from the firs to get 120 = 2y

solve for y to get y = 60.

in the first equation, replace y with 60 to get 450 = x + 6*60.

simplify to get 450 = x + 360.

subtract 360 from both sides of the equation to get 90 = x.

it appears that the service charge is equal to 90 and the per hour charge is equal to 60.

for the job that cost 450, the equation becomes 450 = 90 + 6*60 = 90 + 360 = 450.

for the job that cost 330, the equation becomes 330 = 90 + 4*60 = 90 + 240 = 330.

the numbers check out.

the service charge is 90.

the per hour charge is 60.

i believe your solution is that the electrician charges a flat fee of 90 plus an hourly fee of 60 for a service call.

Step-by-step explanation:

4 0

2 years ago

4/25 of the purchases were stuffed animals. 10/21 of them were bears. What fraction of the purchases were stuffed bears?

Bess [88]

Let's name all the purchases "x"

so $\frac{4}{25}$ of them were stuffed animals, and out of that $\frac{10}{21}$ were bears.

to get the results we have to multiply the fraction of bears by the fraction of the stuff animals:

$\frac{4}{25}*\frac{10}{21}$ .

and now we simplify:
$\frac{4*2}{5*21}$ = $\frac{8}{105}$

and this is the answer!

4 0

3 years ago

X+3-3= -6 its my quick hot sauce