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BARSIC [14]
3 years ago
7

Whats the answer for each of these

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0
I don't know sorry I wish I new
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Given △ABC, sin(A) = <br><br> A. cos(B)<br> B. sin(B)<br> C. cos(C)<br> D. tan (C)
irinina [24]

the answer is cos(C).

7 0
3 years ago
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A basketball shot is taken from a horizontal distance of 5m from the hoop. The height of the ball can be modelled by the relatio
olasank [31]
This is the concept of application of quadratic expressions. Given that the height of the ball is modeled by the equation;
h=-7.3t^2+8.25t+2.1+5
The time taken for the ball to hit the ground will be given as falls;
-7.3t^2+8.25t+7.1=0
to solve for t we use the quadratic formula;
t=[-b+/-sqrt(b^2-4ac)]/(2a)
a=-7.3, b=8.25, c=2.1
t=[-8.25+/-sqrt[8.25^2+4*7.3*7.1]/(-2*7.3)
t= -0.572
or
t=1.702
since there is not negative time we take the time taken for the ball to hit the ground will be: t=1.702 sec

7 0
3 years ago
Marking City is 5 inches away from Jamming City on the map. What is the actual distance between the two cities?2 in : 35 miles
HACTEHA [7]
87.5 miles is the actual distance

7 0
3 years ago
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Which equation is equivalent to x^2 +24-8=0?
Kipish [7]

Answer:

D) is your correct answer

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3 years ago
For the equation given below, evaluate y′ at the point (−2,2)<br> xe^y−4y=2x−4−2e^2
jeka94
Implicit differentiation
chain rule is important here

I'll show the steps partially
e^y+xe^yy'-4y'=2
xe^yy'-4y'=2-e^y
y'(xe^y-4)=2-e^y
y'=\dfrac{2-e^y}{xe^y-4}
now evaluate for (-2,2)
x=-2 and y=2
y'=\dfrac{2-e^2}{-2e^2-4}
y'=\dfrac{2-e^2}{-2e^2-4}
y'=\dfrac{e^2-2}{2e^2+4}
that's it, simplest form
3 0
3 years ago
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