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Alborosie
2 years ago
10

Factor the polynomial completely. 14a^4 b^2 - 21a^3 b^2

Mathematics
1 answer:
Gnom [1K]2 years ago
8 0

Answer: b^{2}(1-21a^{3})

Step-by-step explanation:

b^{2} - 21a^{3} b^{2} \\b^{2}(1-21a^{3})

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4. Solve the equation 3x + 2 = 17 using the bar diagram.<br> 17<br> х<br> х<br> Х<br> 2
Zinaida [17]
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5
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3x+2=17
-2 -2
3x=15
/3 /3
x=5
5 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is 2x+2y=28
malfutka [58]

Answer:

1

Step-by-step explanation:

1) First, place the given equation in slope-intercept form (y = mx +b format) to find its slope easier. Isolate the y:

2x + 2y = 28\\2y = -2x + 28\\y = -x+14

So, the equation of the line in slope-intercept form is y = -x + 14. When an equation is in slope-intercept form, the m, or the coefficient of the x-term, represents the slope. Thus, the slope for the given line would be -1.

2) Lines that are perpendicular have slopes that are opposite reciprocals of each other. We need to find the opposite reciprocal of -1, then.

To find the opposite reciprocal of a number, write the given number as a fraction first -- making -1 be written as   -\frac{1}{1} -- then switch the sign and flip the numerator and denominator. So, the opposite reciprocal of -1 is 1, and 1 is the slope of the perpendicular line.

3 0
2 years ago
PLEASE HELP!! Find an equation for the graph, Write in form y=AsinBx or y=AcosBx.
Zepler [3.9K]

Answer:

4cos4x

Step-by-step explanation:

let's use cos

amplitude=4

period=pi/2

2pi/x=pi/2

x=4

no phase shift

y=4cos4x

pic from desmos

5 0
3 years ago
the minute hand of a clock is 5 inches long. what is the area of the circle, in square inches, created in a hand sweep in an hou
ira [324]
Solve the area of the whole circle since in an hour, the minute hand covers the whole clock
assuming that the minute hand reaches all the way out to the edge of the clock


the minute hand is the radius
area=pi times r^2
r=5
5^2=25
area=pi times 25
area=25pi

aprox pi=3.14
25 times 2.14=78.5

area=78.5 in^2
6 0
3 years ago
Plz help with this I don’t know what to do
kozerog [31]

Answer:

Just guessing here but would the bottom be 4,8,12,16,20 maybe since it is going by 4 then you do the same for the top since it is going by 3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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