Answer:
The polar form of a complex number is another way to represent a complex number. The form z=a+bi is called the rectangular coordinate form of a complex number. The horizontal axis is the real axis and the vertical axis is the imaginary axis.
THIS WAS THE ONE I MEANT TO POST
Find the number of ways four out of nine patients can be chosen to complete a survey
△ABC and △CDE similar right triangles. The coordinates of all the vertices are integers.
A: The relationship between the slope of AC¯¯¯¯¯ and the slope of CE¯¯¯¯¯ cannot be determined, because the triangles are congruent.
B:The slope of AC¯¯¯¯¯ is equal to the slope of CE¯¯¯¯¯ . This this because ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is the same for AC¯¯¯¯¯ as for CE¯¯¯¯¯
C:The slope of AC¯¯¯¯¯ is greater than the slope of CE¯¯¯¯¯ . This is because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is greater for AC¯¯¯¯¯ than for CE¯¯¯¯¯ .
D:The slope of AC¯¯¯¯¯ is less than the slope of CE¯¯¯¯¯ . This is because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is less for AC¯¯¯¯¯ than for CE¯¯¯¯¯ .
Answer:
Option B.
Step-by-step explanation:
Slope of the line AC = [tex]\frac{\text{Rise}}{\text{Run}}[/tex]
= [tex]\frac{\text{AB}}{\text{BC}}[/tex]
= [tex]\frac{4}{6}[/tex]
= [tex]\frac{2}{3}[/tex]
Slope of the line CE = [tex]\frac{\text{DC}}{\text{DE}}[/tex]
= [tex]\frac{2}{3}[/tex]
Therefore, slope of the line AC = Slope of the line AC
And this is because ratio of change in y-values of the endpoints to the change in x-values of the endpoints is the same for AC as for CE.
Option B. is the answer.
please tell me what the domain and range of graphs Part 4
I WILL GIVE BRAINLIEST!!!
Answer:
C. -4
I hope this helps!
HELP ME PLEASE !!!!!
Answer:
C (and D)
Step-by-step explanation:
The multiplication property of equality says the value of the variable is unchanged when both sides of the equation are multiplied by the same value.
In A, no property of equality is involved. The two equations are for different lines.
In B, the subtraction property of equality is used to subtract 9 from both sides of the equation.
In C, the multiplication property of equality is used to multiply both sides of the equation by 3.
In D, the division property of equality is used to divide both sides of the equation by 5. (This is equivalent to using the multiplication property to multiply both sides of the equation by 1/5.)
__
If you're allowed one choice, the best selection is C. If multiple choices are allowed, both C and D are correct answers.
COMPLETE THE SENTENCE: Two lines that do not intersect and are also not parallel are ___
lines.
Answer: skew
Step-by-step explanation:
Just did it
What is -2 17/18 as a decimal?
Answer:
-2.94
Step-by-step explanation:
what's the answer? pls help
Answer:
-1/5
Step-by-step explanation:
slope = y2 - y1 / x2 - x1
slope = 18 - 19 / 5 - 0
slope = -1/5
Need this Slope Answer! Help please.
Answer:
0.5
Step-by-step explanation:
giving 50 PONITS I MARK BRAINLIEST
the question is in the picture, its easy but I'm lazy, tyyy
Answer:
76,200
Step-by-step explanation:
move the decimal three places to the right
76,200
Answer:
7620
I hope this helps!
IF YOU ANSWER WILL MARK BRAINLIEST WILL GIVE XTRA POINTS
Find the equation of the line in slope-intercept form through (−5, 6) with slope = 3
Answer:
Step-by-step explanation:
y - 6 = 3(x + 5)
y - 6 = 3x + 15
y = 3x + 21
Find the perimeter of the rectangle
(Let h = 4 cm and w =15 cm.)
Answer:
P= 38cm
Step-by-step explanation:
4+4+15+15=38cm
This graph represents −x−2y=−4 .
Which ordered pair is in the solution set of −x−2y≤−4 ?
A. (−4, 1)
B. (−1, 4)
C. (−4, −1)
D. (4, −1)
Answer:
B
Step-by-step explanation:
We have the equation [tex]-x-2y=-4[/tex] and we want to find which ordered pair is in the solution [tex]-x-2y\leq -4[/tex]
First, let's convert the inequality to slope-intercept form. So, we have:
[tex]-x-2y\leq-4[/tex]
Add x to both sides:
[tex]-2y\leq x-4[/tex]
Divide both sides by -2. Since we're dividing by a negative, we will flip the sign:
[tex]y\geq- \frac{1}{2}x+2[/tex]
Therefore, our original inequality will be the same as above.
Notice that our y is greater than our equation.
Therefore, the shaded area will lie above our line.
So, any point that falls within the region above our line (in the graph) and on the line is a solution to our inequality.
(-4, 1) is below our line, so it's not a solution.
(-1, 4) is above our line. So, (-1, 4) is our answer.
(-4, -1) is again below our line. So, it's not a solution.
Finally, (4, -1) is also below our line, so it's not a solution.
Therefore, our final solution is B: (-1, 4).
Let's check this. Substitute -1 for x and 4 for y. This yields:
[tex]-(-1)-2(4)\stackrel{?}{\leq}4[/tex]
Multiply:
[tex]1-8\stackrel{?}{\leq}{4}[/tex]
Subtract:
[tex]-7\stackrel{\checkmark}{\leq}4[/tex]
So, (-1, 4) is indeed our solution.
And we're done!
I’ll make brainliest..pls help
Answer:270
Step-by-step explanation:
HURRY PLEASE HELP what’s 0+0?
Answer:
it's very simple its 0 only
pls mark as brainliest
. What value/s of x make x2 + x - 12 = 0 true?
a. 1 and -2 b. 3 and -4
c. 5 and -6
B. 3 and -4 is the answer.
Twice the sum of three and a number is 30. Find the number
9514 1404 393
Answer:
2(x +3) = 3012Step-by-step explanation:
When x represents the number, "the sum of 3 and a number" is (x+3). Twice that sum is 2(x+3). "Is 30" means this expression is equal to 30:
2(x +3) = 30 . . . . an equation for the given conditions
__
We can solve this equation by dividing by 2:
x + 3 = 15
x = 12 . . . . . . subtract 3
The number is 12.
2. What is the x-intercept of the line
5x – 3y = 15? Write your answer as an ordered
pair.
Answer:
The x-intercept of the line is (3,0)
Step-by-step explanation:
5x - 3y = 15
5x - 3(0) = 15
5x - 0 = 15
(add 0 on both sides the cancel out -0)
5x = 15
(divide by 5)
x = 3
so the x-intercept is (3,0)
Teresa started a game at 6:25 PM and finished it at 7:41 PM.
How long did it take her? Give your answer in minutes.
Answer:
It took 1 hour and 16 minutes
Step-by-step explanation:
7, 10,13,...
Find the 33rd term
Answer:
the answer is 113
Step-by-step explanation:
add by 3
The product of 3 and 4 2/5
Answer:
here! I hope this helps :) the answer is 13.2 or 13 1 (upon 5)
Step-by-step explanation:
3 × 4 2 (upon 5)
=3× 22 (upon 5)
=66 (upon 5)
=13 1 (upon 5)
Solve for n.
6 + 2n = 10
n =
Step-by-step explanation:
Answer:-[tex]\tt{6+2n = 10}[/tex]
[tex]\tt{2n = 10-6}[/tex]
[tex]\tt{2n = 4}[/tex]
[tex]\tt{n = \dfrac{4}{2}}[/tex]
[tex]\boxed{\tt{n=2}}[/tex]
Hope it helps :)
Answer:
n = 2
I hope this helps!
A proportional relationship is represented with the equation y=5x. What is the constant of proportionality of the relationship?
PLZ HELP
The constant is 5, as it relates the two values x and y.
Which would the phrase "five more than a number" look like as a variable
expression?
x + 5
5 - x
5x
5x + 5
Answer:
x + 5
Step-by-step explanation:
I'm not sure how to explain this, sorry!
PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((
Answer:
Grain of sand estimate= 4.6 × 10-3
Dust particle estimate: 5 × 10-5
92 times greater
Step-by-step explanation:
Answer:
diameter of grain is 92 times greater than the diameter of dust particle
Find the slope of the line that passes through
the two given points: (2, 3) and (6, -13)
Answer:
-4
Step-by-step explanation:
-13-3=-16
6-2=4
-16/4=-4
Step-by-step explanation:
Hey there!
The points are; (2,3) as (X1,y1) and (6,-13) as (x2,y2)
Use the formula for slope.
[tex]slope(m) = \frac{y2 - y1}{x2 - x1} [/tex]
Put all values.
[tex]m = \frac{ - 13 - 3}{6 - 2} [/tex]
Simplify it to get answer.
[tex]m = \frac{ - 16}{4} [/tex]
Therefore, slope(m) = -4.
Hope it helps....
2. Find the length of segment JK with endpoints J(4,8) and K(-1,-2). Leave answer as a
radical. Simplify if necessary.
Answer:
Distance of JK = 15 unit
Step-by-step explanation:
Given:
J(4,8)
K(-1,-2)
Find:
Distance of JK
Computation:
Distance = √(x₂-x₁)² + (y₂-y₁)²
Distance of JK = √(-1-4)² + (-2-8)²
Distance of JK = √25 + 100
Distance of JK = √125
Distance of JK = 15 unit
Write an equation passing through the point (-3,1) that is parallel to y=2x+5
Answer:
Step-by-step explanation:
y - 1 = 2(x + 3)
y - 1 = 2x + 6
y= 2x + 7
PLSSS HELP! 2) m -
q
3
; use m = 3, and q = 3
Answer:
-6
Step-by-step explanation:
m = 3 and q = 3 so 3 - 3(3) s0 3-9 = -6
Fred is making a wooden box in the shape of a right rectangular prism.
The dimensions of the box are 12 inches by 4- inches by 4- inches.
What is the volume of the wooden box?
Answer:
The volume of the box is 192.
Step-by-step explanation:
width * height * width = volume
so..
4 * 4 * 12 = 192.