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ipn [44]
3 years ago
12

4. (02.05) Which of the following expressions is the conjugate of a complex number with 2 as the real part and 31 as the imagina

ry part? (1 point)​
Mathematics
1 answer:
lisabon 2012 [21]3 years ago
8 0

Answer:I think

Step-by-step explanation:

Ifoly/3fcEdSxund

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The graph below shows the height of a kicked soccer ball f(x), in feet, depending on the distance from the kicker x, in feet: Gr
siniylev [52]
Because the vertex of the parabola is at (16,0), its equation is of the formy = a(x-10)² + 15
The graph goes through (0,0), thereforea(0 - 10)² + 15 = 0100a = -15a = -0.15
The equation is y = f(x) = -0.15(x - 10)² + 15
The graph is shown below.
Part A
Note that y = f(x).
The x-intercepts identify values where the function or  y=0. The x-intercepts occur at x=0 and x=20, or at (0,0) and (20,0).
The maximum value of y occurs at the vertex (10, 15) because the curve is down due to the negative leading coefficient of -0.15.
The curve increases in the interval x = (-∞, 10) and it decreases in the interval x = (10, ∞).
Part B
When x=12, y = -0.15(12 - 10)² + 15 = 14.4When x=15, y = -0.15(15 - 10)² + 15 = 11.25
The average rate of change between x =12 to x = 15 is(11.25 - 14.4)/(15 - 12) = -1.05
This rate of change represents the slope of the secant line from A to B. It approximates the rate at which f(x) decreases in the interval x =[12, 15].
5 0
3 years ago
Read 2 more answers
A truck driver is going down a one way street the wrong way, and passes at least ten cops. Why is he not caught?
Murljashka [212]
The truck driver was walking
4 0
3 years ago
A truck driver can travel 560 miles on 28 gallons of gas. How far can he travel on 35 gallons of gas?
Shtirlitz [24]
560 / 28 = 20....so the driver travels 20 miles per gallon

on 35 gallons......35 * 20 = 700 miles <==

or u can also do it this way...

560/28 = x / 35....560 miles to 28 gal = x miles to 35 gal
cross multiply because this is a proportion
(28)(x) = (560)(35)
28x = 19600
x = 19600/28
x = 700 miles <==

so u can either do it by finding the unit rate or by making a proportion. either way will result in the same answer.
8 0
3 years ago
The radius of circle B is 6 centimeters. The area of the shaded sector is 31.42 square centimeters. Calculate the angle of the s
algol13

Answer:

100

Step-by-step explanation:

i dont know but the website i was on said 100

5 0
3 years ago
Put these in order from least to greatest 0.5, -3/2, -1 1/3, - 2.25<br> Please help
makvit [3.9K]

Answer:

-11/3, -2.25, -3/2, 0.5

Step-by-step explanation:

4 0
3 years ago
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