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3 years ago

NEED HELP ASAP WILL MARK BRAINLIEST!!!!!!!!!!!!

Mathematics

1 answer:

olga2289 [7]3 years ago

3 0

Answer:

b) -2

Step-by-step explanation:

The equation is in the form

y= mx+b where m is the slope and b is the y intercept

y = -x-2

The slope is -1 and the y intercept is -2

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Felix has $50 in a savings account that earns 5% interest, compounded annually. To the nearest cent, how much interest will he e

qwelly [4]

Answer:

$55.13

Step-by-step explanation:

50 * 1.05 = 52.5

We do this step twice because the interest is for 2 years.

52.5 * 1.05 = 55.125

This rounds up to 55.13, your final answer!

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3 years ago

What is the slope? (5,6) and (-1, 4)

7nadin3 [17]

Answer:

1/3

Step-by-step explanation:

y2-y1/x2-x1

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3 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]

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

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

3 0

3 years ago

6th grade math please help I mark as brainliest

katovenus [111]

Answer:

1138 charlidamelio

Step-by-step explanation:

Hope it help

7 0

4 years ago

Read 2 more answers

Plz help me 25y−4+7−910y =