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3 years ago

Please look a the pic also you need to find the area

Mathematics

2 answers:

zloy xaker [14]3 years ago

6 0

Do u still need help

iogann1982 [59]3 years ago

4 0

Answer:

area of circle is 113.04 (i used 3.14 for pi) 3.14 x 6^2

area of square is 24 - 12 x 2 = 24

area of square without circle is 89.04 - 113.04 - 24 = 89.04

Step-by-step explanation:

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Does point (-6, -7) lie on the circle centered at (-2,-8), that contains the point (2, -9).

Nesterboy [21]

Equation of circle:
(x+2)^2 + (y+8)^2 = 17

Point (-6, -7)

(-6+2)^2 + (-7+8)^2 = 17
(-4)^2 + (1)^2 = 17
16 + 1 = 17
17 = 17

Answer is YES

3 0

3 years ago

How to solve: <img src="https://tex.z-dn.net/?f=log_%7B3%7D%20%28x%2B6%29%20%2B%20log_%7B3%7D%28x-6%29%20%3D%204" id="TexFormula

Shalnov [3]

Collapse the logarithms into one:

$\log_3(x+6)+\log_3(x-6)=\log_3((x+6)(x-6))=4$

Then write both sides as powers of 3:

$3^{\log_3((x+6)(x-6))}=3^4$

$(x+6)(x-6)=81$

Simplify the left side and solve for $x$ :

$x^2-36=81$

$x^2=117$

$x=\pm\sqrt{117}=\pm3\sqrt{13}$

But we're not done yet. Notice that both $x+6$ and $x-6$ are negative when $x=-3\sqrt{13}$ . We can't take the logarithm of a negative number (the result isn't real-valued, anyway), so we throw this solution out, and we're left with just

$x=3\sqrt{13}$

5 0

3 years ago

PLEAS HELP ME WITH FRACTIONS, WHOEVER IS FIRST I MAKE BRAINLIESTTTTT

Romashka [77]

Answer:

$\frac{1}{9}$ × $\frac{1}{3}$

Step-by-step explanation:

Find the fraction of the blue part (simplify as much as possible): $\frac{1}{3}$

Find the fraction of the purple part (simplify as much as possible): $\frac{1}{9}$

7 0

3 years ago

Which of the following expressions can be combined?

Rom4ik [11]

Answer: Choice C

Work Shown:

$2\sqrt{12} - 6\sqrt{27}\\\\2\sqrt{4*3} - 6\sqrt{9*3}\\\\2\sqrt{4}*\sqrt{3} - 6\sqrt{9}*\sqrt{3}\\\\2*2*\sqrt{3} - 6*3*\sqrt{3}\\\\4\sqrt{3} - 18\sqrt{3}\\\\(4-18)\sqrt{3}\\\\-14\sqrt{3}\\\\$