Explain how you know which coins could be used to show o.77 of a dollar

Answers

Answer 1

Answer: I Hope This Helps :)

The coins you could use to show 0.77 of a dollar ( or known as 77 cents ) are nickels , dimes , pennies or even quarters .

Example 1 : You could use 7 dimes which is 70 cents , 1 nickel which is 5 cents , then add 2 pennies which will add up to 77 cents .

Example 2 : You could use 2 quarters which is 50 cents , 2 dimes which is 20 cents & 7 pennies .

Example 3 : For the really long way , you could just use 77 pennies which will also give you 77 cents .

Example 4 : You could use 1 quarter , 5 dimes , & 2 pennies .

( Note : you must ALWAYS remember the values of coins when doing mathematical problems that's dealing with money )

A Penny : Is Equal To 1 Cent . ( 100 Pennies Make Up A Whole Dollar , 50 Pennies Make Up 50 Cents etc . )

A Nickel : Is Equal To 5 Cents . ( 2 Nickels Makes Up A Dime Which Is 10 Cents , 10 Nickels Makes Up 50 Cents , 20 Nickels Will Make Up A Dollar . )

A Dime : Is Equal To 10 Cents . ( 5 Dimes Is 50 Cents , 10 Dimes Is A Dollar . )

A Quarter : Is Equal To 25 Cents . ( 2 Quarters Is 50 Cents , 4 Quarters Is A Dollar . )

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9. How many times did the temperature rise one degree per hour?A none
B 1
C 2
D 3

Answers

A. none

The temperature always went up by twos or fours, never ones.

The price of a 18 oz drink is $2.34, which is a rate of _____ per _____. Please answer in a proportion! Thank you! ^^

Answers

1oz per 0.13 cents or 1 oz : 0.13 cents

Is it correct?

You have 59 total coins for a total of 12.05. You only have quarters and dimes. How many of each coin do you have?

Answers

Ok, let's settle this with a simultaneous equation...

0.25 * X + 0.10 * Y = 12.05

X + Y = 59

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This means that:

X = 59 - Y

Which means that:

0.25 * (59 - Y) + 0.10 * Y = 12.05

0.25 * 59 - 0.25 * Y + 0.10 * Y = 12.05

Y (0.10 - 0.25) = 12.05 - 0.25 * 59

-0.15 * Y = -2.7

Y = (-2.7)/(-0.15)

Y = 18

---------

X + Y = 59

Therefore:

X + 18 = 59

X = 59 - 18

X = 41

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There are 41 quarters and 18 dimes.

Is the lcm of a pair of numbers ever equal to one of the numbers? explain with an example

Answers

Yes, it could be equal, but it doesn't occur that often. For example, the LCM of 2 and 1 is 2. So could happen but you don't see it that a often. Only when you want to find the LCM of another number and 1.

3.) Which numbers belong to the domain of the relation {(0, –4,) (–6, 2), (2, –1), (0, –6)}?Choose all answers that are correct.

A.
2

B.
0

C.
–4

D.
–6

4.)
Which numbers belong to the range of the relation {(0, –1), (3, 6), (–2, –1), (–4, –4)}? Choose all answers that are correct. A.–4 B.–2 C.–1 D.0

5.)What is the range of the relation? Coordinate Grid A.{–3, –2, 0, 2} B.{–3, 3} C.{–4, –2, 1, 2} D.{–4, –3, –2, 1, 0, 2}

Answers

3. Domain = x value in the ordered pair

Answer: A,B and D

4. Range = y value in the ordered pair

Answer: A and C

5. Find the range or y values in the ordered pairs and put that in order

Answer: A {–3, –2, 0, 2}

if i am right its going to be the numbers that is greater then or equal to 0 so its going to be A B

Sasha timed how long she took to complete two laps of the track. Her first trip took 36.5s. Her second trip took 35.8s. Calculate the % decrease in the time she took to complete her second lap.

Answers

the present of decrease is around 1.92%

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