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gogolik [260]
3 years ago
9

Mrs. Sullivan had 18 erasers at the end of the day. She remembered giving out 14 and getting back 11, then giving out 13 and get

ting back 14. How many erasers did she start with?
Mathematics
2 answers:
Lerok [7]3 years ago
8 0
She had 27 erasers at the beginning of the day.
vivado [14]3 years ago
4 0
Mrs. Sullivan would've had 45. It is because you would add 18 + 14 + 13 = 45. So, Mrs. Sullivan had 45 erases at the beginning.
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A cookie recipe calls for 6/7 cup of butter to make 4 dozen cookies. Christy need to make 14 dozen cookies for a bake sale. How
Marizza181 [45]

Answer:

Christy needs

\frac{6}{7}  \times  \frac{1}{2}  \\  \frac{3}{7}  \: to \: make \: 2 \: dozenof \: coockies

for \: 14 \: dozen \: of \: cookies \: sheneeds \\  \frac{3}{7}   \times 7 \\ 3cups \: of \: butter

7 0
3 years ago
Solve the right triangle. Round decimal answers to the nearest tenth.
defon

Answer:

A^2 + B^2 = C^2

6^2 + 14^2=c^2

36+196=C^2

232=c^2

square root of 232= c

therefore c is equal to 15,23

Step-by-step explanation:

use the Thereom of Pythagoras

8 0
3 years ago
#2. Use substitution to solve the system of equations<br> x=3y<br> 34-5y =12<br> Solution: (
zalisa [80]

Answer:

I hope this helps:)))))

7 0
3 years ago
14. What is the solution of the system? Use elimination.<br> 9x + y = 30<br> 6x - y = 15
klemol [59]

Answer:

x=90/16,y=-150/16

Step-by-step explanation:

Simultaneous equation and we are to use elimination method

9x+y=30...(1)

6x-y=15..(2)

Add (1) and (2)

16x=15

Divide both sides by 16

x=15/16

Then substitute the value of x into (2)

6(15/16)-y=15

90/16-y=15

Substrate 15 from both sides

90/16-y-15=0

Add y to both sides

90/16-15=y

Lcm for only the left side which is 16

90-240/16=y

-150/16=y

Therefore x is 90/16 and y is -150/16

6 0
3 years ago
Write the number that is ten thousand greater than 563,626
Kamila [148]

The number which is ten thousand greater than 563,626 as given in the task content is; x = 56,362,600,000.

<h3>What is the number which is 10,000 times greater than 563,626?</h3>

It follows from the task content that the number which is 10,000 times greater than 563,626 can be determined as follows;

x = 563,626 × 10000

x = 56,362,600,000

Ultimately, the number in discuss which is ten thousand times greater than 563, 626 as described in the task content is; x = 56,362,600,000

Read more on multiplication;

brainly.com/question/98253

#SPJ1

8 0
1 year ago
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