How to solve the 30° 60° and 90° of a right triangle
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Answer:
Step-by-step explanation:
Divide the hypotenuse by 2 to find the short side. Multiply this answer by the square root of 3 to find the long leg. Type 3: You know the long leg (the side across from the 60-degree angle). Divide this side by the square root of 3 to find the short side.
hope this helps you for a math problem~
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Look at points C and D on the graph:What is the distance (in units) between points C and D? Round your answer to the nearest hundredth.3.46 units8.49 units12.00 units72.00 units
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Please help me with my Algebra What is the solution to the system of equations? 3x−y−z=82x+y−z=3x−y+z=6 (−3,−4,−13) (2,−1.5,−0.5) (3,3,−2) (3,−1,2)
4) fall on a line with a slope of
-
7. What is the value of t?
t=
Answers
Answer:
t = -3
Step-by-step explanation:
To answer this problem, first you have to know how to calculate the slope of a line. Since we know that y1-y2/x1-x2 is the equation to calculate slope, we are ready to tackle this problem.
Because y1 is t, y2 is 4, x1 is 4, and x2 is 5, we can now plug this in to our equation. The equation becomes t-4/4-5. And because we know the slope is 7, the equation is now (t-4)/(4-5)=7. If you solve this equation, you will get that t=-3
Answers
Answers
Answers
Answer:
Step-by-step explanation:
an equation of this tangent is : y = f'(4)(x-a)+f(4)
a = f'(4)
f(x) = - x²
a=4
f'(x) = -2x
f'(4) = -2(4) = -8
f(4) = -(4)² = -16
so : y = - 8 (x-4)-16
y = - 8x +16
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There are 24 times will a bus stop at the corner between 9 a.m. and 6 p.m.
What is the addition?
The addition is taking two or more numbers and adding them together, that is, it is the total sum of 2 or more numbers.
A bus stops at the corner of elm street and oak street every half hour between 9 a.m. and 3 p.m. and every 15 minutes between 3 p.m. and 6 p.m.
There are 6 hours every half hour between 9 a.m. and 3 p.m.
There are 3 hours every 15 minutes between 3 p.m. and 6 p.m.
The number of times will a bus stop at the corner between 9 a.m. and 6 p.m. is;
12 + 12 = 24
Hence, there are 24 times will a bus stop at the corner between 9 a.m. and 6 p.m.
learn more about addition here;
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From 3pm to 6pm is 3 hours
Answer is 24
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Here's what it's trying to show:
-- The line 'a'--'b' is the line where a wall meets the floor.
-- The line to 'c' is a vertical line drawn on the wall.
-- The line to 'd' is a line drawn on the floor.
If you can see it like that, then there are two giveaways for the value of 'x':
One way:
'c' is perpendicular to the floor. That's the only way the angles
on the wall on each side of it ... 3x and 3x ... could be equal, and
they must be 90 degree angles, so 'x' is 30 degrees.
The other way:
The line on the floor, to 'd', is not perpendicular to the wall, because the angles
on the floor on each side of it are not equal. But the two of them do add up to
180 degrees, because the line 'a'--'b' is a straight line.
So 'x' is what's left over when 150 degrees is taken away from 180 degrees.
'x' is 30 degrees again.