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Mashutka [201]
3 years ago
6

Kevin and Randy Muise have a jar containing 59 coins, all of which are either quarters or nickels. the total value of the coins

in the jar is $7.75. how many of each type of coin do they have?
Mathematics
1 answer:
valkas [14]3 years ago
6 0

Answer:

there are 28 quarters and 13 nickels

Step-by-step explanation:

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How many of these pitchers can a cylinder with height 9 inches and 2r fill? Explain how you know.
irakobra [83]

Answer:

4 pitches

Step-by-step explanation:

if a cylinder with height 9 inches and radius r is filled with water, it can fill a certain pitcher. how many of these pitchers can a cylinder with height 9 inches and radius 2r fill? explain how you know.

Solution:

The volume of a cylinder is given by:

V = πr²h;

where V is the volume, r is the radius of the cylinder and h is the height of the cylinder.

A cylinder with height 9 inches and radius r can fill a certain pitcher. Therefore the volume of the cylinder is:

V = πr²h = πr²(9) = 9πr²

V = volume of pitcher = volume of cylinder with radius r = 9πr²

For a cylinder with height 9 inches and radius 2r its volume is:

V2 = πr²h = π(2r)²(9) = 36πr²

Therefore, the number of pitchers a cylinder with height 9 inches and radius 2r can fill is:

number of pitches = 36πr² / 9πr² = 4

Therefore a cylinder with height 9 inches and radius 2r can fill 4 pitches.

3 0
2 years ago
Which measure is of an angle that is conterminal with a 95 degree angle
timofeeve [1]

Answer: Choice B

95 - 1080n for any integer n

=================================================

Explanation:

Notice how 1080 is a multiple of 360 since 360*3 = 1080. The other values 1450, 780 and 340 are not multiples of 360. For example 1450/360 = 4.02777 approximately. We need a whole number result to show it is a multiple.

Therefore, choice B shows subtracting off a multiple of 360 from the original angle 95. In my opinion, it would be better to write 95+360n or 95-360n to make it more clear we are adding or subtracting multiples of 360.

Choice B will find coterminal angles, but there will be missing gaps. One missing coterminal angle is 95-360 = -265 degrees. So again, 95-360n is a more complete picture. I can see what your teacher is going for though.

8 0
3 years ago
How to model the problem
Ilia_Sergeevich [38]
Change 5/3 to 15/9. Then add 15 + 17 and put it over 9. 32/9
7 0
2 years ago
PLZZ HELLPP HURRY PRILIENTIST HURRYYYYYYYY HELLPPP EEEEAAAAAAAAASSSSSSSSSSSSSSSSYYYYYYYYY MATH
Irina-Kira [14]

Answer:

x > 125

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRAINLIST !!!!!!!!
kondaur [170]

Answer:

in my knowledge

Option A..

Step-by-step explanation:

This is an arithmetic sequence since there is a common difference between each term. ... This is the formula of an arithmetic sequence.

8 0
3 years ago
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