To subtract 250-105, Bea needs to regroup tens as ones. There are jelly beans left

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

8 0

Answer:

250-105 = 145

Step-by-step explanation:

5 is greater than 0 so you must regroup:

Take 1 from 5, so 5 becomes 4.

Add 10 to 0, so 0 becomes 10.

10 minus 5 is 5

4 minus 0 is 4

2 minus 1 is 1

You might be interested in

What is the answer to number 4 about the lake?

Kryger [21]

Death lake would be the answer

7 0

3 years ago

Read 2 more answers

If a number is divisible by 3 and 5 then it is divisible by 15

koban [17]

Answer:

Yes!

Step-by-step explanation:

Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

Example:

45/3 = 15

45/5 = 9

45/15 = 3

6 0

3 years ago

Read 2 more answers

student randomly receive 1 of 4 versions(A, B, C, D) of a math test. What is the probability that at least 3 of the 5 student te

alexdok [17]

Answer:

1.2%

Step-by-step explanation:

We are given that the students receive different versions of the math namely A, B, C and D.

So, the probability that a student receives version A = $\frac{1}{4}$ .

Thus, the probability that the student does not receive version A = $1-\frac{1}{4}$ = $\frac{3}{4}$ .

So, the possibilities that at-least 3 out of 5 students receive version A are,

1) 3 receives version A and 2 does not receive version A

2) 4 receives version A and 1 does not receive version A

3) All 5 students receive version A

Then the probability that at-least 3 out of 5 students receive version A is given by,

$\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{3}{4}\times \frac{3}{4}$ + $\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{3}{4}$ + $\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}$