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babunello [35]
3 years ago
11

Marcy played the piano for 45 minutes.She stopped playing at 4:15 P.M.At what time did she start playing the piano

Mathematics
1 answer:
musickatia [10]3 years ago
3 0
15-45=-30
60-30=30
so the answer is 3:30
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1.
kodGreya [7K]

Answer: 1.  All the numbers within the whole

number set {0,1,2,3,...) as well as

all of the opposites.  Integers

2. The result of adding two or more

Numbers. Sum

3. The result of subtracting one

number from another.  difference

4. A number that is multiplied by

another number  factor

5. A number to be divided by

another number. dividend

6. A number by which another

number is to be divided. divisor

7. Two or more factors multiplied

together results in this. product

8. A dividend is divided by a divisor

and the result is this. quotient

9.  Also called reducing means to

make the fraction as simple as possible.  the simplest form

10. It is the largest number that

divides exactly into two or more numbers. Least Common Denominator

11. The smallest number that is a

multiple of two or more numbers

The LCM  or Least Common Multiple

12. Using unit factors to convert measurements. Dimensional Analysis

Step-by-step explanation:

It took a while to sort all of the questions out. I hope this is a study guide, not  a test

5 0
3 years ago
Suppose that angle COP and angle TOD are vertical angles, the measure of angle COP is 11x-17 and The measure of angle TOD is 9x+
crimeas [40]

The measure of <COD  and <POT are 43 and 43degrees respectively

The point where two lines meet or intersect is known as an angle:

Is <COP and angle TOD are vertical angles, this means that they are equal i.e.

  • <COP = <TOD

Given that:

<COP = 11x - 17

<TOD = 9x + 11

Equate both expressions

11x - 17 = 9x + 11

11x - 9x = 11 + 17

2x = 28

x = 28/2

x = 14

Get <COP

<COP = 11x - 17

<COP = 11(14) - 17

<COP = 154-17

<COP = 137 degrees

Since <COP = <TOD, hence <TOD = 137 degrees

Calculate <COD:

<COD + <TOD = 180

<COD + 137 = 180

<COD = 180 - 137

<COD  = 43 degrees

Also <POT = <COD = 43degrees(vertically opposite angles)

Hence the measure of <COD  and <POT are 43 and 43degrees respectively

Learn more here: brainly.com/question/17247176

4 0
3 years ago
Naoko found a deck of playing cards that had been dropped onto the floor. she picked up at least one card. she may have picked u
quester [9]
The answer to this question would be: 2*52! -1

In this case, the card is either picked up by Naoko or they are not picked up. That means there are two possible outcomes for each card. For 52 card, the possibility should be:
2*52!

If Naoko needs to pick at least one, the possibilities become one less because "no card picked" possibility is ruled out
8 0
4 years ago
Take 4a-3b+2c from 2a-3b+4c
valkas [14]

Answer:

2a-6b+6c

Step-by-step explanation:

Combine like terms

7 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST!!!
bekas [8.4K]
According to the data tables and histogram, i can draw the conclusion that Table/Answer would be The first choice.

Hope this helps.
3 0
4 years ago
Read 2 more answers
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