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nikitadnepr [17]
3 years ago
14

IS ANYONE GOOD AT SCIENTIFIC NOTATION?!

Mathematics
1 answer:
brilliants [131]3 years ago
6 0
Yes. Many contributors to Brainly are quite good at scientific notation. Especially the ones who check in regularly here in the Mathematics category.
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Find the distance between points M and N.<br>M= (3,-2)<br>N= (5,-6)​
MaRussiya [10]

Answer:

12

Step-by-step explanation:

The formula for distance between points is \sqrt{(x.2-x.1)^{2} +(y.2-y.1)^{2}

So when you inserts the coordinates in this formula, it would be \sqrt{(-2-3)^2+(-6-5)^2}

\sqrt{(-5)^2+(-11)^2}

\sqrt{25+121}

\sqrt{146}

=12.08305

Usually, distance is round to whole number. So, it would be 12

4 0
3 years ago
What is the result of converting 0.74 hours into minutes?
yKpoI14uk [10]
44 minutes and 24 seconds
4 0
3 years ago
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The lions won 16 games last year. This year the lions won 20 games. What is the percent increase in the number of games the lion
lora16 [44]
Do 20/16 and that is your answer 1.25 = 125%
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3 years ago
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Find the values of x and y.
vova2212 [387]

Look at the picture.

We have the equation (1) 12x + 4y = 40.

We know, the sum of the acute angles in a right triangle is 90°.

Therefore we have the equation (2) (12x + 4y) + (17x - y) = 90

Substitute (1) to (2):

40 + 17x - y = 90        <em>subtract 40 from both sides</em>

17x - y = 50   (3)

We have the system of equations:

\left\{\begin{array}{ccc}12x + 4y = 40&|:4\\17x-y=50\end{array}\right\\\underline{+\left\{\begin{array}{ccc}3x + y = 10\\17x-y=50\end{array}\right}\ \text{add both side of equations}\\.\qquad20x=60\qquad|:20\\.\qquad x=3

Substitute the value of x to (3)

17(3)-y=50\\51-y=50\qquad|-51\\-y=-1\to y=1

Answer: x = 3 and y = 1.

4 0
2 years ago
What is 5.4 x 2 3/4 show your work
VladimirAG [237]

Answer:

14.85

Step-by-step explanation:

4.4 x 2.75 = 14.84

       2.75

       4.4

      -------

     (Multiply it out)

3 0
3 years ago
Read 2 more answers
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