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pishuonlain [190]
2 years ago
7

I need help as soon as possible

Mathematics
1 answer:
solniwko [45]2 years ago
3 0
1. tanA = 12 / 25 = 26.

2. radius = 38.4 / 2 = 19.2.
    14.7^2 + b^2 = 19.2^2 => b = 12.4, by pythagorean theorem.
    Finally, x = 19.2 - 12.4 = 6.8.
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Don't know what to do :\\
____ [38]
Answer: Choice A) 12x^2 - 48x + 21; all real numbers

===========================================================

Work Shown:

(f * g)(x) = f(x) * g(x)
(f * g)(x) = ( f(x) ) * ( g(x) )
(f * g)(x) = ( -2x+7 ) * ( -6x+3 )
(f * g)(x) = -2x*( -6x+3 ) + 7*( -6x+3 )
(f * g)(x) = -2x*(-6x) - 2x*(3) + 7*(-6x) + 7*(3)
(f * g)(x) = 12x^2 - 6x - 42x + 21
(f * g)(x) = 12x^2 - 48x + 21

The domain is the set of all real numbers because we can plug in any number in for x, to get some output for y. There are no issues to worry about such as division by zero errors, square root of a negative number, etc. 
6 0
3 years ago
Select the locations on the number line to plot the points 9/2 and −7/2 .
Alex_Xolod [135]

9/2 would be on the right -7/2 will be on the left hope i helped

3 0
2 years ago
Read 2 more answers
If -3(y-1)=9 find the value of 1/2y
Sveta_85 [38]

Answer:

-1

Step-by-step explanation:

y-1=-3

y=-2

.:1/2y=1/2(-2)=-1

4 0
2 years ago
Express 0.96 as a fraction
svp [43]
Since 6 is in the hundredths place,

96/100

You can divide that by two for a different, but equal fraction.

48/50, 24/25

24/25 is the simplest form.

I hope this helped you!
~kaikers
4 0
3 years ago
Where A = -7 and b = 9 what is the value of the midpoint?
sergey [27]

Answer:

Find the value of x if B is the midpoint of AC, AB = 2x + 9 and BC = 37

Step-by-step explanation:

8 0
2 years ago
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