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3 years ago

James multiplies 38 by 55. He finds three of the four partial products: 40, 150, and

Mathematics

1 answer:

Nuetrik [128]3 years ago

8 0

The answer is one thousand five hundred thirty eight

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Identify the center and radius of a circle with equation (x+4)^2+(y-2)^2=36

Kitty [74]

In the equation of a circle in the form (x-h)^2 + (y-k)^2 = r^2, (h,k) is the center and r is the radius.

So, the center of the circle is at (-4,2) with radius 6 units.

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3 years ago

Use the Quadratic Formula to solve the equation 4x^2−7=4x.

tino4ka555 [31]

Answer:

$\large\boxed{x=\dfrac{1}{2}-\sqrt2\ or\ x=\dfrac{1}{2}+\sqrt2}$

Step-by-step explanation:

$\text{The quadratic formula of}\ ax^2+bx+c=0:\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

$\text{We have:}\\\\4x^2-7=4x\qquad\text{subtract}\ 4x\ \text{from both sides}\\\\4x^2-4x-7=0\\\\a=4,\ b=-4,\ c=-7\\\\b^2-4ac=(-4)^2-4(4)(-7)=16+112=128\\\\\sqrt{b^2-4ac}=\sqrt{128}=\sqrt{64\cdot2}=\sqrt{64}\cdot\sqrt2=8\sqrt2\\\\x=\dfrac{-(-4)\pm8\sqrt2}{(2)(4)}=\dfrac{4\pm8\sqrt2}{8}\qquad\text{simplify by 4}\\\\x=\dfrac{1\pm2\sqrt2}{2}\to x=\dfrac{1}{2}\pm\sqrt2$

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3 years ago

P{x:x is a natural number x (9

EastWind [94]

Answer:

you need a photo my dude

Step-by-step explanation:

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3 years ago

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kipiarov [429]

It’s B. Dan is 124 miles from home at noon and is traveling at 62 miles per hour

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3 years ago

*SUPER EASY POINTS**COORDINATES RELATED*

andreev551 [17]

Answer:

8. (0,-2)

9. (-2,1)

Step-by-step explanation:

Lucy's house is at (1,1)

Down means in the y coordinate , left means negative x

Down 3 means subtract 3 from y

left 1 means subtract 3 from x

(1-1, 1-3)

(0,-2)

9. Lucy is at (1,1)

3 units to the left

left means subtract 3 from x

(1-3, 1)

(-2,1)

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3 years ago