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ss7ja [257]
3 years ago
11

There are 14 books on a shelf. 5 of these books are new.

Mathematics
1 answer:
GuDViN [60]3 years ago
7 0
A)5:9
b)14:5
the are the answers 

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Help me on this please
djyliett [7]

{x}^{2}  =  {17}^{2}  -  {11}^{2} \\  {x}^{2}  = 289 - 121 = 168 \\ x =  \sqrt{168 }  = 12.96
6 0
3 years ago
Ruth went to the park. She spent 1/4 of her time playing volleyball, 1/2 of her time eating, and the other hour of her time read
DaniilM [7]

Answer:

1 hour and 25 minutes

Step-by-step explanation:

4 0
3 years ago
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Hayden is building toy cars. Each car needs 4 wheels. How many wheels will Hayden use to build 3 toy cars?
ycow [4]

Answer:

12

Step-by-step explanation:

Three cars each need 4 wheels, so that is...

4 + 4 + 4 wheels, which is 12 wheels

8 0
3 years ago
Find the lcm of 2.5, 1.0 and 70​
Ivahew [28]

Answer:

Step-by-step explanation:

2.5 = 5 * .5

1 = 1

70 = 2 * 5 *  7

LCM = 2 * 5 * 7

If you include the 1/2, you will reduce the LCM to 35, but 70 will be left out of the LCM.

4 0
3 years ago
The totals of the rows and colums of a two way table are called marginal distributions. true or fasle​
Furkat [3]

Answer:

False

Step-by-step explanation:

The totals of the rows and columns of a two way table are not called marginal distributions. They are called conditional distributions.

4 0
3 years ago
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