2 years ago

What is the quotient of 7^-1/7^-2? 1/343 1/7 7 49

Mathematics

1 answer:

vazorg [7]2 years ago

8 0

Answer:

7^-1/7^-2

7^(-1+2)=7^1=7

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Answer would be needed ! thanks

Vanyuwa [196]

55/A is the answer

Hope this helps

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3 years ago

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What is the slope of<br> the line parallel to 3x +<br> y = 12?

Doss [256]

Answer:

slope = -3

Step-by-step explanation:

1) Rearrange eqn into slope intercept form

slope intercept form: y = mx + b

where...

m = the slope

b = the y-intercept (where the line crosses the y axis)

3x + y = 12

y = -3x+12

2) Know parallel rule. A line that runs parallel has the same slope but a different y-intercept

So the slope is: -3

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3 years ago

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Y = 4x - 5<br> y = 3<br> Solve system of equations

kifflom [539]

3=4x-5
3+5=4x
8=4x
X=8/4=2

X=2 and Y=3

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3 years ago

HELP ME Using the following equation, complete the square and find the center and radius of the circle:

IrinaK [193]

Answer: $(-2,3)$ , $r=5\ \text{units}$

Step-by-step explanation:

Given

the equation is $x^2+y^2+4x-6y-12=0$

completing the square

$\Rightarrow (x^2+2\times 2\times x+4-4)+(y^2-2\times3\times y+9-9)-12=0\\\Rightarrow (x^2+2\times 2\times x+4)+(y^2-2\times3\times y+9)-12-4-9=0\\\Rightarrow (x+2)^2+(y-3)^2=25\\\Rightarrow (x+2)^2+(y-3)^2=5^2\\\Rightarrow (x-(-2))^2+(y-3)^2=5^2$

Thus, the center of the circle is $(-2,3)$ and radius is $r=5\ \text{units}$

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3 years ago

(I do brainliest.) slope intercept form... [show ya work plz]

eduard

Answer:

y = 3x+2

Step-by-step explanation:

(3,7) (6,9) Y2=9 Y1=7 X2=6 X1=3

M = 9-7/6/3

2/3

3 0

3 years ago