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2 years ago

PLEASE HELP ME

Mathematics

2 answers:

quester [9]2 years ago

8 0

Answer:

57π cm³ ≈ 179.07 cm³ [hundredth] or 179.1 cm³ [tenth]

Step-by-step explanation:

Cone Volume = ⅓πr²h

Cylinder Volume = πr²h

__________________

Given:

Cone and Cylinder have a radius of 3 cm.
Cone has a height of 4 cm.
Cylinder has a height of 5 cm.

_____________________

The total volume will be the sum (addition) of the cones volume and the cylinders volume.

Therefore:

Total volume = ⅓πr²(h_1) + πr²(h_2)

Total volume = (⅓(h_1) + (h_2))(πr²)

Total volume = (⅓(4 cm) + (5 cm))(π(3 cm²))

Total volume = (4/3 + 5)(9π) cm³

Total volume = (19/3)(9π) cm³

Total volume = 57π cm³

Total volume = 179.0707812546.. cm³

Total volume ≈ 179.07 cm³ [hundredth] or 179.1 cm³ [tenth]

GenaCL600 [577]2 years ago

3 0

Answer:

Step-by-step explanation:

The base radius is 3

The height of the cylinder is 5

The height of the cone is 4

Add The Numbers

3 + 5 + 4 = 12

You might be interested in

Find the surface area of a rectangular prism with a height of 6 inches, a width of 7 inches, and a length of 13 inches. A) 338 i

oee [108]

Answer:

422 in.2

Step-by-step explanation:

Substitute the measurements of the rectangular prism into the formula SA = 2(lw) + 2 (lw) + 2(lh): 2(13)(7) + 2(6)(7) + 2(13)(6) = 422 in2.

8 0

3 years ago

$700 at 8% for 6 years is...?

uranmaximum [27]

So if it is simple interest then
700+6 times (8% of 700)=answer

percent means partsout of 100
8%=8/100=0.08
'of' means mutily
700+6 times (0.08 times 700)=700+6 times (0.56)= 700+3.36=703.36
answer is $703.36

3 0

2 years ago

Which pair of ratios makes a proportion?

Nana76 [90]

Answer:

D. 1/4 and 9/36

Step-by-step explanation:

If two ratios make a proportion then it can be shown as:

a/b = c/d ⇒ ad = bc

Let's verify the answer choices with this method

A. 1/4 and 5/25

1*25 = 4*5
25 = 20, incorrect, not a proportion

B. 1/4 and 7/24

1*24 = 4*7
24 = 28, incorrect, not a proportion

C. 1/4 and 10/48

1*48 = 4*10
48 = 40, incorrect, not a proportion

D. 1/4 and 9/36

1*36 = 4*9
36 = 36, correct, this is a proportion

6 0

1 year ago

2 3/4 divided by 1/2 please state your answer as a mixed number than simplify please

Juli2301 [7.4K]

5 1/2 cjyfjyfjycjyccgjcyjcgjcjycjcjycjycjycjgcjycjycjy

4 0

2 years ago

Read 2 more answers

Combine the following expressions.

Keith_Richards [23]

Answer:

second option

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{27x^{3} }$

= $\sqrt{9(3)x^2.x}$

= $\sqrt{9}$ × $\sqrt{3}$ × $\sqrt{x^2}$ × $\sqrt{x}$

= 3 × $\sqrt{3}$ × x × $\sqrt{x}$

= 3x $\sqrt{3x}$

-------------------------------

$\sqrt{12x^{3} }$

= $\sqrt{4(3)x^2.x}$

= $\sqrt{4}$ × $\sqrt{3}$ × $\sqrt{x^2}$ × $\sqrt{x}$

= 2 × $\sqrt{3}$ × x × $\sqrt{x}$

= 2x $\sqrt{3x}$

---------------------------------------

Thus

3 × 3x $\sqrt{3x}$ - 2 × 2x $\sqrt{3x}$

= 9x $\sqrt{3x}$ - 4x $\sqrt{3x}$

= 5x $\sqrt{3x}$

8 0

2 years ago