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larisa86 [58]
3 years ago
14

Antonio has a total of 55 marbles. He has 15 green marbles and 12 red marbles. The rest of the marbles are blue. How many blue m

arbles does he have?
Mathematics
1 answer:
Firdavs [7]3 years ago
3 0

Answer:28

Step-by-step explanation:

55-15-12=28

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The volume of the figure below is 496.21 ft^3<br> True or False
timofeeve [1]

Answer:

First option: True.

Step-by-step explanation:

To know if the volume of this cylinder is 496.21 ft³, you need to use the formula for calculate the volume of a cylinder:

V=\pi r^2h

Where "r" is the radius and "h" is the height.

You can observe in the figure that the radius of the cylinder is 4.5 feet and the height is 7.8 feet.

Then, knowing this, you can substitute these values into the formula.

Therefore, the volume of this cylinder is:

V=\pi (4.5ft)^2(7.8ft)\\V=496.21ft^3

Then the answer is: True.

3 0
3 years ago
AWNSER FOR 99 POINTS!What is the volume of the pyramid? A. 2470 cm3 B. 4940 cm3 C. 7410 cm3 D. 14,820 cm3
fgiga [73]
The answer is B.4940. I found the picture of the pyramid u forgot to post. The volume for pyramid is lwh/3
5 0
3 years ago
Read 2 more answers
Can someone help me with this
VladimirAG [237]

Answer:

its red

Step-by-step explanation:

math. lol

8 0
3 years ago
Any and all help would be appreciated!
SpyIntel [72]

The way we can find out the unit rate (also known as the <em><u>SLOPE</u></em>) is by using the table as coordinates!

The slope formula is \frac{y2 - y1}{x2 -x1}

With the table, the TIME column can be "x"

The DISTANCE column can be "y"

____________________________

As coordinates, it would look like...

(0,0)

(20, 25)

(30, 37.5) and so on!

_____________________________

All we need to do now is use 2 of these coordinates and plug them into the slope formula in their correct places to find the unit rate!

Example:

solve!

\frac{37.5 - 25}{30 - 20} = 12.5/10 ⇒ 1.25 ( or 5/4 in fraction form)

8 0
2 years ago
3.305 + 1.7 what's the sum? Also more questions are coming just doing a test
Paraphin [41]

  3.305

 +1.7

  5.005

Line up the decimal points and add like you usually would add.

5.005 is the answer.

5 0
2 years ago
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