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3 years ago

7

Domain: -5 -4 -3.-20. 1. 2. 3. 4. 5)

1 answer:

notsponge [240]3 years ago

8 0

Hdjjddjdjdjdkdidididjskdjdjdidiiddiidididdidididididjdjsksksksksksksksksk

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Using your own words, explain direct and inverse proportionality. (Be sure to use complete sentences.)

JulijaS [17]

In an inverse proportion two veriables are inversely proportional to each other.You can write the equation as P=n/x, and N is the constant of proportionality.In the equation the X increases and the P decreases.

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4 years ago

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X+a=b please urgent answer

atroni [7]

Answer:

n

Step-by-step explanation:

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3 years ago

Write the equation of the circle below to complete the square. Also determine the area of the circle.

diamong [38]

Answer: $(x-7)^2+(y+2)^2=11^2$ ; $A=121\pi$

Step-by-step explanation:

I have never done a problem like this, so this is my first time attempting it.

The standard form for the equation of a circle is:

$(x-a)^2+(y-b)^2=r^2$

Begin by grouping the 'x' terms and 'y' terms:

$(x^2-14x)+(y^2+4y-68)=0$

Complete the square for the second polynomial:

$(\frac{b}{2} )^2=(\frac{4}{2} )^2=4$

$(x^2-14x)+(y^2+4y+4-4-68)=0$

$(x^2-14x)+(y^2+4y+4)-4-68=0$

$(x^2-14x)+(y^2+4y+4)-72=0$

$(x^2-14x)+(y+2)^2-72=0$

Do the exact same process with the other polynomial:

$(x^2-14x-72)+(y+2)^2=0$

Complete the square:

$(\frac{14}{2} )^2=49$

$(x^2-14x+49-49-72)+(y+2)^2=0$

$(x^2-14x+49)-49-72+(y+2)^2=0$

$(x^2-14x+49)-121+(y+2)^2=0$

$(x-7)^2-121+(y+2)^2=0$

Bring the 121 to the other side to get:

$(x-7)^2+(y+2)^2=121$

$(x-7)^2+(y+2)^2=11^2$

The above expression is the equation of our circle in standard form. It is centered at the coordinates (7, -2) and has a radius of 11 units. The area of a circle if given by:

$A=\pi r^2=121\pi$

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2 years ago

What are the terms in the expression 4mn+m+5

Elodia [21]

Answer:

4mn,m and, 5. The terms are anything that's not a symbol like + or = in an equation

P.s.

Please give me brainliest for my next rank.

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3 years ago

Find the slope of the line that passes through (8,9) and (5, 14).

AleksAgata [21]

Answer:

6/-4 (right 6 points on x-axis & down 4 points on y- axis

Step-by-step explanation:

14- 8 6

---------- = ------

5-9 - 4

7 0

3 years ago