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bekas [8.4K]
3 years ago
9

Plz help me with 3 through 5 show ur work

Mathematics
1 answer:
tamaranim1 [39]3 years ago
4 0
The equation to find the volume of a pyramid is V=\frac{lwh}{3} 
3.)  V= \frac{3*4 \frac{2}{3} *3 \frac{1}{3} }{3} → Multiply the top V=\frac{46 \frac{2}{3} }{3} → Divide by 3 V=15  \frac{5}{9}
4.)  V=\frac{2.6*6.4*10.8}{3} → Multiply the top V=\frac{179.712}{3} → Divide by 3 V=59.904 or V=59.9
5.)  Since you need to find h you put the V value in and keep the h value blank. 1,350=\frac{15*15*h}{3} → 1,350=\frac{225*h}{3} → Multiply 3 by both sides 3×1,350=\frac{225*h}{3}×3 → 4,050=225×h → Divide 225 from both sides 4,050÷225=225×h÷225 → 18=h 

I hope that helps!
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Please hurry I will mark you brainliest <br> Find the surface area
erastova [34]

Triangle area = 8 x 3/2

= 12

12 x 2 = 24cm^2 for 2 triangles

Height of rectangle must be found, so use pythag on triangle

a^2+ b^2 = c^2

16 + 9 =c^2

C=5

A= 5 x 12

= 60

60 x 3 triangles in total is 180cm^2

180cm^2 + 24cm^2 = 204cm^2

Ans: 204cm^2

4 0
3 years ago
The length of the bae of an iocele triangle i x. The length of a leg i 4x−3. The perimeter of the triangle i 66. Find x.
Alexeev081 [22]

Answer:

x = 8

Step-by-step explanation:

since the triangle is isosceles then the 2 legs are congruent, that is both 4x - 3

the perimeter is the sum of the 3 sides , that is

x + 4x - 3 + 4x - 3 = 66

9x - 6 = 66 ( add 6 to both sides )

9x = 72 ( divide both sides by 9 )

x = 8

5 0
1 year ago
What is the solution to x 3 + x 2 ≤ 10x – 8? {–4, 1, 2} (–ꝏ, –4] (–ꝏ, –4) U [1, 2] (–ꝏ, –4] U [1, 2]
alisha [4.7K]

Answer:

(–ꝏ, –4] U [1, 2] or D

Step-by-step explanation:

Answer for edgenuity

3 0
3 years ago
Jackson hikes 220.2 meters up a mountain. If he is 60% of the way up, how tall is the mountain?
PolarNik [594]
Answer would be C 367 meterss
8 0
3 years ago
3.9 meters long 6% shorter
BigorU [14]
So what we want to know is how long is the car that is 6% shorter then the other car. We can look at it this way: the shorter car is 94% the lenght of the longer car. Lets call the length of the shorter car x, then we have the equation: 94% * 3.9m=x. Or, (94/100)*3.9=x. Now we solve for x and get: x= 3.666m. So the shorter car is 3.666 m long.
7 0
3 years ago
Read 2 more answers
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