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Brilliant_brown [7]
3 years ago
7

Help me with these two answers please

Mathematics
1 answer:
zhuklara [117]3 years ago
3 0

Answer:

Step-by-step explanation:

the center is at  (0, -2)

radius =  \sqrt{64} = 8

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Please help me asap i need it
TiliK225 [7]

Answer:

j) y=2/5x-1

Step-by-step explanation:

you can use desmos graphing calculator to help you on questions like these, all you gotta do is input each answer and you get a visual representation of what they look like. Hope this helps!

6 0
3 years ago
Read 2 more answers
If f(x) = -3x - 5 and g(x) = 4x - 2, find (f - g)(x).
mash [69]
I think the answer is c
4 0
4 years ago
3.
Reil [10]

<u>Answer:</u>

x = 5.00 cm

<u>Step-by-step explanation:</u>

• area of the rectangle = x   x   (x + 1)

                                     = x^2 + x

• area of the circle = π r²

                               = \frac{22}{7}   x   (x + 2)^2

                               = \frac{22}{7}   x   (x^2 + 4x + 4)

∴   x^2 + x   +    \frac{22}{7}   x   (x^2 + 4x + 4)  = 184  

⇒  x^2 + x      +   \frac{22}{7}  x^2   \space\ + \space\ \frac{88}{7} x \space\  +  \space\  \frac{88}{7} = 184

⇒  \frac{29}{7}x^2 \space\  +  \space\  \frac{95}{7}x \space\ - \frac{1200}{7} = 0

• Using quadratic formula, where

a = \frac{29}{7}

b = \frac{95}{7}

c = \frac{-1200}{7} ,

x=\frac{-b \pm \sqrt{b^2-4c}}{2}

x = \frac{-\frac{95}{7}\pm \sqrt{(\frac{95}{7})^2 - 4(\frac{29}{7})(\frac{-1200}{7} )  }  }{2(\frac{29}{7})}

x = 5.00   \space\   \space\ \space\ or  \space\ \space\ \space\   x = -8.28

As length (x) cannot be a negative number,

x = 5.00 cm

7 0
2 years ago
Brian has a piece of yarn that 4 centimeters long how many millimeters long is his piece of yarn
Anna [14]

Answer:

40mm.

there are 10 mm. in a cm, so if there are 4 cm, then there are 40 mm.

Hope this helps :)

8 0
4 years ago
What is the product written in scientific notation?
never [62]

(1.18\cdot10^3)\cdot(9.1\cdot10^{-6})=(1.18\cdot9.1)(10^3\cdot10^{-6})\\\\=10.738\cdot10^{3+(-6)}=1.0738\cdot10\cdot10^{-3}\\\\=1.0738\cdot10^{1+(-3)}=1.0738\cdot10^{-2}\\\\Used:\\\\a^n\cdot a^m=a^{n+m}

8 0
3 years ago
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