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pickupchik [31]
2 years ago
6

Which quadratic equation is equivalent itto * (x - 4) ^ 2 - (x - 4) - 6 = 0 ?

Mathematics
1 answer:
kifflom [539]2 years ago
3 0

Answer:

x2 - 9x + 14 = 0

Step-by-step explanation:

x2 - 9x + 14 = 0

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The radius of a circle is 4 centimeters. what is the length of a 180 degrees arc?
Vadim26 [7]

Answer:

4π cm = 12.57 cm

Step-by-step explanation:

180 degrees is half of a circle, so the length of the arc is half of the circumference.

length = (2πr)/2 = πr = 4π cm = 12.57 cm

6 0
2 years ago
Does anyone know what to do
klasskru [66]

ok, we need to factor the expression

{y}^{5}  - 2 {y}^{4}  - cxy + 6x =  {y}^{4} (y - 2) - x(cy - 6)

since the expression divisible by y-2, then

cy - 6 = k(y - 2)

since 6=2k, then k=c=3

4 0
3 years ago
Write an equation of the line that passes through 9, 6 and is perpendicular to the line whose equation is y equals -1 over 3 x +
asambeis [7]
If the line that goes through (9, 6) is perpendicular to y = -1/3x + 7, then their slopes will be opposite reciprocals.  The slope of the line given is -1/3.  The opposite reciprocal of -1/3 is +3.  If we have our new line passing through point with x coordinate 9 and y coordinate 6, we will use that x and y and the slope of 3 to solve the slope-intercept equation for b.  Like this:  9 = 3(6) + b.  9 = 18 + b and b = -9.  That means that the new equation, the one that is perpendicular to the given line, is y = 3x - 9. 
4 0
4 years ago
Can some one please help me ??? Please anyone
Darina [25.2K]
<u>-2(-2v+x)+6(-4x+4v)=\\&#10;4v-2x-24x+24v=\\&#10;28v-26x</u>
3 0
3 years ago
Question 2 need to do a ratio table
Svet_ta [14]

Answer: It would take Tanya 15 minutes to run 2 kilometers

Answer: 15 minutes


Step-by-step explanation: This is true because:

If Tanya can run 8 kilometers in an hour (60 minutes) and you need to find how long it takes for her to run 2 kilometers there are two ways you can solve this:

#1: You find the unit rate (how long it takes Tanya to run 1 kilometer).

This would be written as 8 kilometers divided by 60 minutes. Once you do that math, you should get 7 1/2 minutes for one kilometer. However, since she is running 2 kilometers, you would multiply 7 1/2 by 2 to get your answer, which is 15 minutes.

#2: You set up a proportion to solve this problem:

This would be written as:

8/60 == 2/x, where the numerator of each fraction is the number of kilometers ran, the denominator is how long it took to run that distance, and x is the amount of minutes it took Tanya to run 2 kilometers. If you cross multiplied, you would get the following equation:

8x=120.

To get x by itself, you would divide both sides by 8; 8x/8 is x, and 120/8 is 15, getting you an answer of x=15, or 15 minutes.

7 0
4 years ago
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