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marissa [1.9K]
3 years ago
12

Which answers are equal to the expression below? Check all that apply PLEASE WILL GIVE BRAINLIEST

Mathematics
1 answer:
kramer3 years ago
5 0

Answer:

B., D., E.

Step-by-step explanation:

\sqrt{9} \cdot \sqrt{100} =

= \sqrt{9 \cdot 100}      This is choice B.

= \sqrt{900}          This is choice E.

= 30              This is choice D.

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There are 80 people at a meeting, they shake hands with everyone else. how may handshakes were there
Ghella [55]
Short answer: 3240 handshakes.
Remark

If you watch hockey, you've actually seen this happen. After the game, the winning team will stay on the ice usually on center ice. As you look at them, the man on your right will go down the line and rough up or shake hands or say something to each of his teammates on the line. Then he goes into the dressing room. So he has talked to n - 1 people. The next person going down the line will talk to n - 2 people. and so on all the way down the line. 

Formula
Sum = (n + 1)*n/2 is what the formula is.

Givens
n = 80

Sub and Solve
Sum = (80 + 1)*80 / 2
Sum = 81 * 40
Sum = 3240 handshakes.<<<<< Answer

3 0
4 years ago
I need to know exponets
oee [108]

Answer:

a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression

Step-by-step explanation:

A tip would be to watch a video on exponents and pemdas, they can be really helpful!

Hope this helps!

6 0
4 years ago
Write 6,000,370 in scientific notation. 0.600037 x 10-7 6.00037 x 10-6 6.00037 x 106 0.600037 x 107
e-lub [12.9K]
  <span> The third answer is right. Scientific notation is always expressed with one digit before the decimal and is multiplied by the power of ten to compensate for the offset.

Also when writing without access to superscript use either of these methods to express the exponent.
6.000370 x 10^6
6.000370 E6 </span>
3 0
4 years ago
128.16÷1.2<br>128.16 / 1.2​
Dafna1 [17]

Answer:

106.8

Step-by-step explanation:

126.16÷106.8

thank you

3 0
3 years ago
This can open up new areas to explore if we change those assumptions. For example, both of our proofs that the measures of the a
Fynjy0 [20]

Answer:

this makes no sense can u simplify it in the comments and i'll answer there pls

7 0
3 years ago
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