3 years ago

What is a mathematical expression indicating to a root of a quantity?

Mathematics

1 answer:

vladimir1956 [14]3 years ago

7 0

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What would be the correct answer be for 3/100 +8/10

Alenkasestr [34]

Answer: 83/100 or .83

Step-by-step explanation:

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Express 24/40 and 18/42 in their simplest forms.Show your works

Maru [420]

Answer:

24/40 = 4/5

18/42 = 3/7

Step-by-step explanation:

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Find an equation of the circle whose diameter has endpoints (1,-4) and (-3,6).

MAVERICK [17]

Answer:

$(x+1)^2+(y-1)^2=58$

Step-by-step explanation:

To find the equation of this circle, we must know the center and the radius.

We can find the radius by dividing the value of the distance formula by 2 (since $r=\frac{d}{2}$ ):

$d=\sqrt{(-3-1)^2+(6-(-4))^2}=\sqrt{116}\\r=d/2=\frac{\sqrt{116}}{2}$

We can then find the center of the circle by averaging the coordinates:

$\frac{1+(-3)}{2}=-1$

$\frac{-4+6}{2}=1$

Then, we substitute these values into the equation of a circle:

$(x-(-1))^2+(y-1)^2=(\frac{\sqrt{116}}{2})^2\\(x+1)^2+(y-1)^2=58$

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3 years ago

A line has slope -3/4 and y-intercept 5.

Zielflug [23.3K]

The answer is y=-3/4+5 because y=mx+b
m:slope
(x,y):any point on the line
(0,b): y-intercept of the line

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Once again a picture,, please help me with this one, thank you!!

vazorg [7]

Answer:

1395

Step-by-step explanation:

5 surfaces of the cuboid can be seen,so 5*l^2

4 surfaces of triangle = 4* 1/2 * 15 * 9

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