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miv72 [106K]
3 years ago
7

The difference of 10 and a number in algebraic expression

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
3 0

10 - x is the answer.

x represents the unknown number.


Hope this helps!

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Find the median and mean of the data which reflects the best measure of the center
galben [10]

Answer:

The mean reflects the best measure of the center

Step-by-step explanation:

12, 13, 13, 14, 21, 22, 23

Median: 14

Mean: 16.86

The mean reflects the best measure of the center

7 0
3 years ago
What is the measure of angle J in the triangle below? <br> A. 99<br> B. 42 <br> C. 9<br> D. 48
Leya [2.2K]
For this use the law of sines:
\sin( \alpha ) \div a = \sin( \beta ) \div b \\ \sin( \alpha ) \div 11 = \sin(103) \div 16
\frac{ \sin( \alpha ) }{11} = \frac{0.97}{16}
cross-multiply:
16×sin (J) = 11×0.97
sin(J) = 10.72/16
sin(J) = 0.67
hit the "arcsin" button on your calculator:
{ \sin}^{ - 1} (0.67) = 42.06 = 42.1 \: deg
therefore answer B. 42 is the correct answer!!
4 0
3 years ago
Whats the slope of a line that passes through (-5,4) and (4,15)​
MAVERICK [17]

Answer:

1.22222

Step-by-step explanation:

Use the equation y2-y1/x2-x1=m to find the slope.

Now, just insert your known values.

15-4/4--5=m

11/9=m

1.22222 is the slope.

Hope this helps!

4 0
3 years ago
Hurry!! Answer it please:))
Ksivusya [100]

Answer:

Option C.

Domain:

{3, 0, 2, 4}

Step-by-step explanation:

The domain is the set of all the values of x.

5 0
3 years ago
Read 2 more answers
I don't understand how to do this number line problem. I need help
Crank
The 3rd number line, (the one farthest to the right) is the line graph that shows the locations required.

If you need me to explain, just let me know!
3 0
4 years ago
Read 2 more answers
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