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stiv31 [10]
3 years ago
9

Which of the following are perfect squares select all that apply

Mathematics
2 answers:
german3 years ago
6 0
81
240
1000
Hope this helps
mestny [16]3 years ago
4 0

Step-by-step explanation:

the perfect squares =

81, 121, 625

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The star means that is my guess.
OLEGan [10]
You are correct for all of them,
Precision goes up as you have more decimals. It gives you a more accurate measurement regardless of what it is measuring.
A line graph measures two variables, the X and the Y, and how they change based off of one another
And an educated guess would usually based on previous trends or results
7 0
3 years ago
What is this fraction?
e-lub [12.9K]

\sqrt{361}=19\ \text{because}\ 19^2=361

\dfrac{361}{\sqrt{361}}=\dfrac{361}{19}=19

19 is

A: real

B: whole

C: integer

D: rational

5 0
3 years ago
The time to assemble the first unit on a production line is 8 hours. The learning rate is 0.81. Approximately how long will it t
pochemuha

Answer:

4.428 hours

Step-by-step explanation:

If the learning rate is 0.81, the slope of the learning curve is:

b=\frac{ln(0.81)}{ln(2)} \\b=-0.304

The time it takes to produce the n-th unit is:

T_n=T_1*n^b

If T1 = 8 hours, the time required to produce the seventh unit will be:

T_n=8*7^{-0.304}\\T_n=4.428\ hours

It will take roughly 4.428 hours.

3 0
3 years ago
Proving triangles similar
goldfiish [28.3K]

Answer:

x=11

Step-by-step explanation:

You do 38/3x+3 and 19/x+7 and then cross mulitply and get 57x+57=38x+266. Then yoy subtract 57 from 266 and get 57x=38x+209. Now you have to subtract 38 from 57 and then answer will be 19. So now you have 19x=209. Finally you divide 209 by 19 and get x=11. Good luck!

6 0
3 years ago
The ratio of boys and girls in the school musical is 5 to 8.Which of the following shows the possible numbers of boys and girls
Maurinko [17]

Answer:

I don't see the following ratios.

Step-by-step explanation:

I think you should add the following.

6 0
3 years ago
Read 2 more answers
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