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3 years ago

Please help me with these it’s due TODAY!!!!! ( This is Simplifying expressions in 7th grade)

Mathematics

2 answers:

son4ous [18]3 years ago

5 0

Picture won’t open for me... if you reply to this with the questions I can definitely help you.

ANTONII [103]3 years ago

5 0

Answer:

left side up : -16x+5

left side down: 8x+3

right side up: -x

right side down:-5x

Step-by-step explanation:

hope i helped <3 :P

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(A) Which is the equation of Line b? 1. y=−14x+54 2. y=4x+3 3. y=x+5441 4. y=4x−3

musickatia [10]

Check the picture below.

all we need to get the equation of the line is two points on it, in this case those would be (-3,2) and (1,1),

$\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{1}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{1}-\stackrel{y1}{2}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{(-3)}}}\implies \cfrac{-1}{1+3}\implies -\cfrac{1}{4}$

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{2}=\stackrel{m}{-\cfrac{1}{4}}[x-\stackrel{x_1}{(-3)}]\implies y-2=-\cfrac{1}{4}(x+3) \\\\\\ y-2=-\cfrac{1}{4}x-\cfrac{3}{4}\implies y=-\cfrac{1}{4}x-\cfrac{3}{4}+2\implies y=-\cfrac{1}{4}x+\cfrac{5}{4}$

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3 years ago

The ratio of the diameter of a larger circle to the diameter of a smaller circle is 3/2. What ratio represents the ratio of the

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2 years ago

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3 years ago

Read 2 more answers

Please help! And explain.

wariber [46]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta r^2}{2}\qquad 
\begin{cases}
\theta=\textit{angle in radians}\\
r=radius\\
----------\\
r=5\\
\theta=\frac{\pi }{4}
\end{cases}\implies A=\cfrac{\frac{\pi }{4}\cdot 5^2}{2}\\\\
-----------------------------\\\\
A=\cfrac{\frac{\pi }{4}\cdot 25}{2}\implies A=\cfrac{\frac{25\pi }{4}}{2}\implies A=\cfrac{\frac{25\pi }{4}}{\frac{2}{1}}\implies A=\cfrac{25\pi }{4}\cdot \cfrac{1}{2}
\\\\\\
\boxed{A=\cfrac{25\pi }{8}}$

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4 years ago

NEED ANSWERS QUICKLY! CORRECT ANSWER GETS BRAINLIEST

Olenka [21]

Answer:

6 6

---- ÷ ---

16 10

Step-by-step explanation:

equals 5/8

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3 years ago