MATHEMATICS HIGH SCHOOL

I need help pls asap

Answers

Answer 1

Answer:

Answer:

54 m^3

Step-by-step explanation:

volume of cone is (1/3)(pi)(r^2)h

volume of cylinder is (pi)(r^2)h

if height and base are same, then the volume of the cylinder will be three times that of the cone.

18 x 3 = 54

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A shape is made of 12 right triangles of equal size. Each right triangle has a base of 4 cm and a height of 5 cm. What is the total area, in square centimeters, of the shape?

Answers

Answer:

The total area of the shape is $120\ cm^(2)$

Step-by-step explanation:

step 1

Find the area of one right triangle

The area of a triangle is equal to

$A=(1)/(2)(b)(h)$

we have

$b=4\ cm$

$h=5\ cm$

substitute

$A=(1)/(2)(4)(5)=10\ cm^(2)$

step 2

To find the total area of the shape multiply the area of one triangle by 12

$A=12(10)=120\ cm^(2)$

Answer:

120 cm

Step-by-step explanation

Divide 3.7÷0.006 round the answer the nearest hundredth?

Answers

First divide 3.7 by 0.006
Which is 616.666
The last 6 is the thousandths place. If it is 5 or bigger then the number to the left is rounded up. If its lower than 5 you round down

Since 6 is over 5 we tound up
616.67

The product of twenty-one negative integers is negative. TRUE or FALSE.

Answers

The answer to the question is true

The answer is true...

A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip. Then solve for the number of total jumps from her second to tenth trips.

Answers

∑i=2i=10(4+2n)= You can do it by hand, w/o much work . plug in n=2 into (4+2n) then plug in n=3 into (4+2n) then plug in n=4 into (4+2n) etc until you get to n=10. Add them all up.
add 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24
144 jumps!

Which scenario is modeled in the diagram below? Percents Total 75% 25% 100% 25% 25% 25% 25% $55.15 $55.15 $55.15 $55.15 Kaia saved $55.15 on a new guitar because it was 75 percent off. She paid $220.60 for the guitar. Kaia saved $165.45 on a new guitar because it was 75 percent off. She paid $220.60 for the guitar. Kaia saved $55.15 on a new guitar because it was 75 percent off. The price of the guitar before the discount was $220.60. Kaia saved $165.45 on a new guitar because it was 75 percent off. The price of the guitar before the discount was $220.60.

Answers

Answer:

the answer is d

Step-by-step explanation:

i did whhat the other person said and got it right

Answer:

Step-by-step explanation:

If <8m 23 find the measure of each missing angle

Answers

Answer:

...................

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