Angel B measures 60. What is the measure of the angle that is complementary to angle B
Answers
Angle B is 60°, then its complementary angle should only be 30°.
60° + 30° = 90°
If the other angle is lower or higher than 30°, then both angles are not complementary.
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The ratio of paper rings to paper planes is 3:8. If there are 48 paper planes ,how many paper rings are there?
B.) {(3, -3), (9, -6), (3, -9)}
C.) {(3, -3), (9, -6), (9, 2), (0, -9)}
D.) {3,9,0,-4}
Answers
Answer:
The function is expressed by answer A
Step-by-step explanation:
A function is a mathematical expression in which, for an independent variable , usually called x, we obtain one and only one value after applying the function, usually known as the dependent variable y.
D is not a function as we do not have two corresponding values or coordinate pairs. We only have a list of numbers
In C, B and A we have pairs of coordinate values expressed as (x,y) the independent and dependent variable.
In expression B, we see that the for the value of x=3 in ponts 1 (3.-3) and (3.-9) , the value 3 has two resulting values of y , -3 and -9, so this coordinates do not represent a function.
In option C, occurs something similar in this case with x =9. x=9 has two values in y : y=-6 and y= 2 so these points do not define a function
In A each x value (3.9.0) has a unique avlue of y (-3,-6,-9) so this is a function.
B) m∠GDE < m∠FDE
C) m∠DEG < m∠DEF
D) m∠DFE > m∠DGE
Answers
Answer:
Answer choice C.
Step-by-step explanation:
Answers
100kg - coffee B
(coffee A)/ (coffee B) = 50kg/100kg = 1/2
1 + 2 = 3 Entire parts
1/3 = coffee A
2/3 = coffee B
60kg * 2/3 = (120kg) : 3 = 40kg coffee B
How many of the dogs weigh at least 50 lb?
Answers
-5x + 12y = -107
(x, y) = ( , )
Answers
-5[(15 - 8y)/9] + 12y = -107
(-75/9) + (40/9) + 12y = -107
y = -8.59
x = [15 - 8(-8.59)]/9
x = 9.3
(x,y) = (9.3, -8.59)
Answers
Answer:
The horizontal distance from the starting point when rocket lands is:
168.83 meters.
Step-by-step explanation:
We are given a function that models the height of the rocket when it is 'x' meters away from the starting point.
The function is:
Now we are asked to find the horizontal distance from the starting point when the rocket will land.
i.e. we are asked to find 'x' ; when y=0
i.e.
Let y=0
on solving the quadratic equation we obtain:
As the distance can't be negative.
Hence, the viable solution is:
x=168.83
y=-0.06x²+10.1x+5
==>6x²-1010x-500=0
Δ=1010²+4*6*500=1032100=(1015,92...)²
x=(1010-1015.92...)/12 <0 exclude
or x=(1010+1015.92..)/12=168.826935... (m)