3 years ago

What is -2 1/2 x -3 1/3

Mathematics

1 answer:

Blizzard [7]3 years ago

6 0

Answer:

6 1/6

Step-by-step explanation:

-2 1/2 * 3 1/3

-2 * -3 = 6

1/2 * 1/3 = 1/6

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x ≤ 50

Step-by-step explanation:

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3 years ago

Write the standard form of the equation of the circle described below.

Luden [163]

Equation of circle is $x^2+(y+2)^2=26$

Step-by-step explanation:

The standard form of the equation of circle is:

$(x-h)^2+(y-k)^2=r^2$

where (h,k) is the center of the circle and r is the radius of circle.

We need to find the radius of circle r by using distance formula:

$r=d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}\\r=d=\sqrt{(-5-0)^2+(-1-(-2))^2}\\r=d=\sqrt{(-5)^2+(1)^2}\\r=d=\sqrt{25+1}\\r=d=\sqrt{26}$

r=√26

and r^2= 26

Putting values of r^2=26 and value of center (h,k)=(0,-2)

the equation of Circle is:

$(x-h)^2+(y-k)^2=r^2\\(x-0)^2+(y-(-2)^2=26\\x^2+(y+2)^2=26$

Keywords: Equation of circle

Learn more about Equation of circle at:

#learnwithBrainly

4 0

3 years ago

Jennifer's bank account is modeled by the following equation where x equals the number of weeks and f(x) equals the total balanc

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Answer:

3(4x + 15)

Step-by-step explanation:

hope this helps!

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2 years ago

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2/3(x+12)+2/3x=4 Solve the equation.

andreyandreev [35.5K]

2/3X + 8 +2/3X = 4
4/3X + 8 = 4
4/3X = -4
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Answer:

12 possibilities

Step-by-step explanation:

The first choice can be any of the four colors. For each of these 4 first choices there are 3 second choices. Therefore there are 4 x 3 = 12 possibilities.

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3 years ago