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LenKa [72]
3 years ago
12

Which is a prime number? 19 22 18 15 ​

Mathematics
1 answer:
Savatey [412]3 years ago
8 0

Answer:

19

Step-by-step explanation:

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The library at school is organized By fiction and nonfiction books. There are 3 non-fiction books for every 7 fiction books how
OLEGan [10]

You can set up a proportion for this problem. Let the total number of books = x

The number of non-fiction books to the total number of books is

3/(7 + 3) books = 3/10

3/10 = 240/x                       Cross multiply

3x = 240 * 10                      Combine the right

3x = 2400                           Divide by 3

3x/3 = 2400/3                    Divide

x = 800

Answer: 800 books in total.

 


8 0
3 years ago
Find the surface area of the prism or pyramid. Round to the nearest hundredth if necessary.
son4ous [18]

Answer: 345.4

Step-by-step explanation:

SA=2πr^2+2πrh

SA=2(3.14)(5)^2+2(3.14)(5)(6)

SA=2(3.14)(25)+2(3.14)(30)

SA=2(78.5)+2(94.2)

SA=157+188.4

SA=345.4

4 0
3 years ago
PLZ HELP ME THIS IS MY LAST QUESTION A recipe for oatmeal raisin cookies is shown.
Setler79 [48]

Answer:

3/4 cup quick cooking oats

Step-by-step explanation:

1.  1 1/2 dozen or 18 cookies divided by 2 = 9 cookies

2. there is 1 1/2 cup of quick oats

3. since to get 9 cookies you need to divide 1 1/2 dozen cookies by 2

you need to do that (divide by 2) to the whole recipe.

4. so basically what is 1 1/2 cup quick oats divided by 2

5. the answer is 3/4 cup quick cooking oats

3 0
3 years ago
True or False You can put people into two groups, where one group is smart at math and the others is not THERES is nothing that
Dima020 [189]
Think its false bc they can do anything buy answering the questions
5 0
3 years ago
How can the statement below be rewritten as a conditional statement in if-then form?
Irina-Kira [14]

Answer:

<h2>If two angles measures 180 degrees, then they form a linear pair.</h2>

Step-by-step explanation:

The conditional statement should be this way, because after the word ''if'', should be placed the condition, and after the word ''then'', should be the consequence.

5 0
4 years ago
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