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fgiga [73]
3 years ago
11

I need this for my homework!!!It is due tommorow.

Mathematics
1 answer:
sladkih [1.3K]3 years ago
4 0
I solved 13-18
13. -20
14. 38
15. 16/21
16. 70
17. 12
18. 25

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2. CO DEEPER) Franco played computer chess for 3 hours. Lian played
Galina-37 [17]

Answer: Franco played for 30 minutes longer than Lain.

Step-by-step explanation:

3 times 60= 180

180-150=30 minutes

4 0
4 years ago
HELP PLEASE!!!!!
Varvara68 [4.7K]
Maybe you should ave a tutor and not ask for answers???
8 0
4 years ago
To determine what percentage of 376 teachers at a university were female, Ryan randomly selected 14 teachers. He then collected
Kipish [7]

Answer:

a)There are 14 teachers in Ryan's sample, and 362 teachers in the population.

Step-by-step explanation:

<u> Population:-</u>

<em>The totality of observations with which we are concerned, whether this number be finite or infinite  is called population.</em>

<em>Given data population is  376 teachers at a university were female'</em>

<u><em>Sample:-</em></u>

A sample is a subset of a Population

sample of given data = 14teachers

The percentage of 376 teachers at a university were female, Ryan randomly selected 14 teachers.

<em />p = \frac{14}{376} = 0.0372<em> = 3.72%</em>

6 0
4 years ago
If x+y=12 and xy=27 . find x^3+y^3<br>pls help with steps ​
Ivan

Answer:

Step-by-step explanation:

use formula

x^3+y^3=(x+y)^3-3*x*y(x+y)

=12^3-3*27(12)

=1728-972

=756

8 0
3 years ago
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The list shows the amount of each ingredient Charlotte used to make 3 servings of macaroni and cheese.
MariettaO [177]
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