Can someone help me please which one is it ?
A
B
C
D
Answers
We can say
(angle 1) + (angle 3) = 90
(angle 2) + (angle 3) = 90
notice the replacement in bold
The second equation is an algebraic way of saying "angle 2 and angle 3 are complementary"
Answer: Choice C
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The formula for height, in feet of a projectile under the influence of gravity is given by h=-16t^2+vt+s, where t is the time in seconds, v is the upward velocity at the start, and s is the starting height. Marvin throws a baseball straight up into the air at 70 feet per second. The ball leaves his hand at a height of 5 feet. When does the ball reach a height of 75 feet?
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Find the area of a parallelogram if a base and corresponding altitude have the indicated lengths. Base 3.5 feet, altitude 3/4 feet. 2 1/8 sq. Ft. 2 5/8 sq. Ft. 3 3/8 sq. Ft.
Communism
Industrialization
Social Darwinism
Answers
Answer:
INDUSTRIALiZATION
Step-by-step explanation:
got it right
3. Compare and contrast the multiplication of real numbers and the multiplication of complex numbers.
6x(3+2x)=
6i(3+2i)=
Answers
The multiplication of 6x(3+2x) is 18x + 12x² and 6i(3+2i) is 18i - 12 because i² can be written as -1.
What is a complex number?
It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.
It is given that:
The expression:
= 6x(3 + 2x)
After using distributive property:
= 18x + 12x²
= 6i(3+2i)
= 18i + 12i²
= 18i - 12
∵i² = -1
Real and complex numbers are multiplied in exactly the same way, with the exception that we can further condense the complex expression by substituting i² for -1.
Thus, the multiplication of 6x(3+2x) is 18x + 12x² and 6i(3+2i) is 18i - 12 because i² can be written as -1.
Learn more about the complex number here:
#SPJ2
Answer:
Step-by-step explanation:
Answers
The answer to the question if b is increased by 4 units the graph of the new line would be shifted 4 units is 2. up
Since f(x) = -2x + b, if b is increased by 4 units, we have
f(x) = -2x + b + 4
This thus shifts the fuction 4 units up, since addition of a constant to a fuction shifts its upwards.
so, if b is increased by 4 units the graph of the new line would be shifted 4 units up.
So, the answer to the question if b is increased by 4 units the graph of the new line would be shifted 4 units is 2. up
Learn more about graph of a line here:
answer: 2. up
Answers
First, combine all the hours they can clear the football field, 3 hours by Tiana plus 2 hours by Jacob, a total of 5 hours. Then get the average hours that it would take them to clear a football field by dividing 5 hours by 2. So, it will take them 2.5 hours to clear the football field together.
A. Sometimes b. Always c. Never
Answers
perfect squre trinomial is in form
(a+b)(a+b) or (a-b)(a-b)
that is not equal to (a+b)(a-b)
never
Answer:
C. Never
Step-by-step explanation:
4[-4 5 -6]
Answers
Answer:
[-16 20 -24].
Step-by-step explanation:
4[-4 5 -6]
= [4*-4 4*5 5*-6]
= [-16 20 -24].