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3 years ago

9 x 200 in expanded form

Mathematics

2 answers:

tatyana61 [14]3 years ago

8 0

The expanded form would be: 9 x 2 x 100

anygoal [31]3 years ago

3 0

3*3*2*10*10 is 9 x 200 in expanded form

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Enter the equation of the circle described below.<br><br> Center (3, -2), radius = 5

Alik [6]

Answer:

$(x-3)^{2} +(y+2)^{2} =5^{2}$

Step-by-step explanation:

The equation of the circle with center A=(a,b) and radius = r are:

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

When A=(3,-2) and radius=r=-5

$(x-3)^{2} +(y+2)^{2} =5^{2}$

5 0

3 years ago

Solve for x in the equation.

labwork [276]

Answer:

The solution is $\displaystyle x=1\pm \sqrt{47}$ . Fourth option

Explanation:

Solve for x:

$2x^2+3x-7=x^2+5x+39$

Move all the terms from the right to the left side of the equation, a zero in the right side:

$2x^2+3x-7-x^2-5x-39=0$

Join all like terms:

$x^2-2x-46=0$

The general form of the quadratic equation is:

$ax^2+bx+c=0$

Solve the quadratic equation by using the formula:

$\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

In our equation: a=1, b=-2, c=-46

Substituting into the formula:

$\displaystyle x=\frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-46)}}{2(1)}$

$\displaystyle x=\frac{2\pm \sqrt{4+184}}{2}$

$\displaystyle x=\frac{2\pm \sqrt{188}}{2}$

Since 188=4*47

$\displaystyle x=\frac{2\pm \sqrt{4*47}}{2}$

Take the square root of 4:

$\displaystyle x=\frac{2\pm 2\sqrt{47}}{2}$

Divide by 2:

$\displaystyle x=1\pm \sqrt{47}$

First option: Incorrect. The answer does not match

Second option: Incorrect. The answer does not match

Third option: Incorrect. The answer does not match

Fourth option: Correct. The answer matches exactly this option

8 0

3 years ago

What exact area of a circle with a radius of 6 feet?

Volgvan

Answer:

Step-by-step explanation:

3.14(pi) X 6 ^2 =

3.14*6 = 18.84

3.14x6^2 =36

your final answer is : B. : 36

7 0

3 years ago

6 cups is how many times as much as 24 cups?

kaheart [24]

Answer:

2 llllllllllllllllllllllllllllll

6 0

2 years ago

Read 2 more answers

136/50<br> as a percentage?

aleksandrvk [35]

Answer: 272%

Step-by-step explanation: To write 136/50 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % .

136/50 * 100 = 2.72 * 100 = 272%

And finally we have:

136/50 as a percent equals 272%

4 0

3 years ago

Read 2 more answers