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Blizzard [7]
3 years ago
13

HELP!

Mathematics
2 answers:
dybincka [34]3 years ago
5 0
Somewhere around 130
faltersainse [42]3 years ago
3 0

Answer:

about 130

Step-by-step explanation:

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before the use of calculators, mathematicians developed and used detailed tables of values of the sine, cosine and tangent ratio
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Answer:

the answer is  bc of my knowledge XD XD XD hahaha

Step-by-step explanation:

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3 0
4 years ago
Which point on the coordinate plane is closest to ______ ?
Vinvika [58]

Answer:

its point D hope this helps :)

5 0
3 years ago
Read 2 more answers
X^4-x^2-42=0 <br>need to solve equation and find solution set
Ipatiy [6.2K]
That's a quadratic equation in x^2, which means we get an extra square root and \pm at the end.

x^4 - x^2 - 42 = 0

We factor,

(x^2 - 7)(x^2+6) = 0

x^2 = 7 \quad \textrm{or} \quad x^2 = -6

x = \pm \sqrt{7} \quad \textrm{or} \quad x = \pm i \sqrt{6}
5 0
3 years ago
Please I really need help! Can you answer A and B and I will mark you as brainliest!
Georgia [21]

a) The average arithmetic mean is calculated by adding all of the values and then dividing the sum by the total number of values.

\frac{198+199(3)+200(2)+201(5)+202(2)}{13} =200.3

Which is 200.3.

b) Assume that the new average mean is 201, then

201 = \frac{198 + 199(3) + 200(2) + 201(5) + 202(2)+x}{14}

Solve for x.

2814= 2604x

Divide by 2604 to solve for x.

\frac{2814}{1604} = x = 1.75

So the height of the new player is 175 cm.

3 0
3 years ago
Compare the two integers below:<br> 11____-1<br> &lt;<br> &gt;<br> =
Snezhnost [94]

Answer:

B. >

Step-by-step explanation:

Yes, you got it correct! Anything with a "-" is always less than a "+". Look at it this way:

I have 11 dollars (+11) and you owe me one dollar (-1). Now which is better?

Hope this helps

~R3VO

3 0
3 years ago
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