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Tasya [4]
3 years ago
9

Ms. Sims is putting away 22 books. She can put them on the table in stacks of 10 or as single books. What are the different ways

Ms. Sims can put away the books?
Mathematics
2 answers:
Rashid [163]3 years ago
8 0

Answer:

1)10+10+1+1=22

2)10+1+1+1+1+1+1+1+1+1+1+1+1=22

Step-by-step explanation:

Mrs. Sims has to put 22 books.

She can either put them in stacks of 10 or arrange them as single book(single stack).

There could be two ways in which she could arrange the books.

First way:

She could arrange the books in two stacks of 10 books (2\times10=20 and the remaining two books can be arranged as single books.

So, the arrangement is 10+10+1+1=22

Second way:

She could arrange books in one stack of 10 books and and remaining twelve books can be arranged as single books.

So, the arrangement is 10+1+1+1+1+1+1+1+1+1+1+1+1=22

sesenic [268]3 years ago
3 0
She can put them on an empty shelf all together or individually sort them in there proper order
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NNADVOKAT [17]

Answer:

Step-by-step explanation:

Sum: addition

Difference: subtraction

Product: multiplication

Number                    Sum                    Difference                    Product

1, 4                         1 + 4 = 5                     4 - 1 = 3                       1 * 4 = 4

2, 8                       2 + 8 = 10                   8 - 2 = 6                      2 * 8 = 16

Hope this helps!

3 0
2 years ago
The sum of three numbers is 104. The first number is 6 less than the second. The third number is 3 times the second. What are th
lara [203]
We can write this in math as x+y+z=104, x=y-6, and z=3y

Because we already know what x and z are in terms of y, we can substitute our values for x and z into the first equation. This now looks like (y-6) + y + (3y) = 104. Now we can simplify our equation to find our value for y.

y-6 + y + 3y = 104 simplifies to 5y - 6 = 104, then 5y=110, and finally y=22.

Now that we know our value for y we can find our values for x and z by substituting our value for y into the other two equations.

The second equation x = y-6 can be simplified as x = 22 - 6 and further simplified as x = 16.

The third equation z = 3y can be written as z = 3(22) or z = 66.

Our three numbers are 16, 22, and 66. Hope this helps you!
8 0
3 years ago
The National Cancer Institute estimates that 3.65% of women in their 60s get breast cancer. A mammogram can typically identify c
masha68 [24]

Answer:

39.17% probability that a woman in her 60s who has a positive test actually has breast cancer

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

P(B|A) = \frac{P(B)*P(A|B)}{P(A)}

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Positive test.

Event B: Having breast cancer.

3.65% of women in their 60s get breast cancer

This means that P(B) = 0.0365

A mammogram can typically identify correctly 85% of cancer cases

This means that P(A|B) = 0.85

Probability of a positive test.

85% of 3.65% and 100-95 = 5% of 100-3.65 = 96.35%. So

P(A) = 0.85*0.0365 + 0.05*0.9635 = 0.0792

What is the probability that a woman in her 60s who has a positive test actually has breast cancer?

P(B|A) = \frac{0.0365*0.85}{0.0792} = 0.3917

39.17% probability that a woman in her 60s who has a positive test actually has breast cancer

7 0
3 years ago
4.<br> Which equation in point-slope form contains the point (-3, 5) and has slope -1?<br> 100%
Flura [38]

ʕ•ﻌ•ʔ\huge\bold\pink{hello!!!}ʕ•ﻌ•ʔ

HERE IS UR ANSWER

_____________________

(x-(-3)) = -1(y-5)

(x+3)= -y+5

x+y+3-5=0

x+y-2=0

3 0
2 years ago
This diagram was created by starting with points Aand
Anton [14]
Sorry I just need the points
7 0
3 years ago
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