4 years ago

9% of _____ equals 4.5

Mathematics

1 answer:

scoray [572]4 years ago

5 0

The correct answer is 50

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Write the equation of the line with a slope equal to six and passing through the point -3, -8

Maslowich

Answer:

y = 6x + 10

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 6, thus

y = 6x + c ← is the partial equation

To find c substitute (- 3, - 8) into the partial equation

- 8 = - 18 + c ⇒ c = - 8 + 18 = 10

y = 6x + 10 ← equation of line

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3 years ago

Can I get some help;

alisha [4.7K]

Answer:

I was never good at this in math...

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What is the least common multiple of 36 and 45

bagirrra123 [75]

LCM of 36 and 45 The LCM of 36 and 45 is 180. To find the LCM, list the multiples of each number. The first one that both numbers have in common is the LCM. 36: 36, 72, 108, 144, 180, 216 45: 45, 90, 135, 180, 225 The first multiple they have in common is 180, so it is the LCM. this is wrong.......

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4 years ago

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The equation of a circle is x2 − 4x + y2 + 8y − 29 = 0. what are the center and radius of the circle? enter your answers in the

uranmaximum [27]

$\text{The standard form of the circle:}\\\\(x-h)^2+(y-k)^2=r^2\\\\\text{h and k are the x and y coordinates of the circle}$

$\text{We have}\\\\x^2-4x+y^2+8y-29=0\\\\\text{use:(*)}(a\pm b)^2=a^2\pm2ab+b^2$
$x^2-2x\cdot2+y^2+2y\cdot4=29\ \ \ |+2^2\ \ |+4^2\\\\\underbrace{x^2-2x\cdot2+2^2}_{(*)}+\underbrace{y^2+2y\cdot4+4^2}_{(*)}=29+2^2+4^2\\\\(x-2)^2+(y+4)^2=49$
$\text{Answer: the center (2;-4), the radius}\ r=\sqrt{49}=7$

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3 years ago

Find the Y intercept

Norma-Jean [14]

The y-intercept is at the point (0, -3)

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3 years ago