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krok68 [10]
3 years ago
11

Julia has 36 books she wants to donate 2/3 of them to a library book drive how many books will she donate? Draw a model to show

how you found your answer
Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0
She will donate 24 books to the library. (I don't know how you would model it, I assume you do.)
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6 0
3 years ago
HELP ASAP How many times will the digit '3' appear if we write all whole numbers from 1 to 99?
Liula [17]

Answer:3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93

Step-by-step explanation:

You gotta count I did this quick

8 0
3 years ago
Read 2 more answers
The sum of two numbers is 31.The product of the two numbers is 150. What are the two numbers?
Nikolay [14]
The two numbers I will call x and y.
x + y = 31
x * y = 150

You then solve for one variable in either equation and substitute it into the other equation.

x + y = 31
x = 31 - y

Then you plug it in:
x * y = 150
(31 - y) * y = 150
-y² + 31y = 150
y² - 31y + 150 = 0            Then factor:
(y - 6)(y - 25) = 0
y - 6 = 0        y - 25 = 0
y = 6             y = 25

When you plug y into the original equations, it comes out that the two numbers are 6 and 25. You can check your work because 6+25 = 31 and 6*25 = 150. Hope this helps! :)
5 0
3 years ago
Find the value of x if 212x5 is a multiple of 3 and 11 please find out now guys HELP!
sammy [17]

Answer:

x = 8

Step-by-step explanation:

If the number 212x5 is a multiple of 3, the sum of the digits needs to be a multiple of 3, so we have:

2 + 1 + 2 + x + 5 = 10 + x

The value of x can be 2, 5 or 8

If the number is a multiple of 11, we have to calculate the first number minus the second, plus the third, minus the fourth... and so on, and the result needs to be a multiple of 11. So we have:

2 - 1 + 2 - x + 5 = 8 - x

x needs to be 8, so we have 8 - 8 = 0, that is a multiple of 11.

So the value of x is 8.

8 0
3 years ago
This event is independent, true or false?
egoroff_w [7]

Answer:

False

Step-by-step explanation:

Because the question says you pick a <u>different</u> shirt on Tuesday than on Monday, that means you have one less shirt you can select, so the event is dependent.

6 0
3 years ago
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