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3 years ago

HELP PLS I NEED THIS DONE ASAP

Mathematics

1 answer:

Sholpan [36]3 years ago

8 0

Answer:

a = 4, b = 0

Also, a = 0 and b = 0 :)

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-13 + 24-46-( - 20 ) =

Naddik [55]

Answer

-15

Step-by-step explanation:

-13 +24=11

11-46=-35

-35+20=-15

3 0

3 years ago

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. A local electricians union has 540 members. If 65% of the members attended the last meeting, how many members went to the last

Genrish500 [490]

351 members

Multiply .65 by 540 which gives you 351.

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2 years ago

How does the rate of change vary from point to point?

Tpy6a [65]

$\bf \begin{array}{|cc|ll} \cline{1-2} x&y\\ \cline{1-2} 40&32\\ 28&16\\ 16&12\\ \cline{1-2} \end{array}~\hfill \stackrel{\textit{average rate of change}}{slope} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x_1}{40}~,~\stackrel{y_1}{32})\qquad (\stackrel{x_2}{28}~,~\stackrel{y_2}{16}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{16-32}{28-40}\implies \cfrac{-16}{-12}\implies \boxed{\cfrac{4}{3}} \\\\[-0.35em] ~\dotfill$

$\bf (\stackrel{x_1}{28}~,~\stackrel{y_1}{16})\qquad (\stackrel{x_2}{16}~,~\stackrel{y_2}{12}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{12-16}{16-28}\implies \cfrac{-4}{-12}\implies \boxed{\cfrac{1}{3}}$

8 0

3 years ago

Solve the system using elimination. 3x + 3y = –9 3x – 3y = 21

scoundrel [369]

Answer:

y=-5,x=2

Step-by-step explanation:

3x+3y=-9________________eqn 1

3x-3y=21________________eqn 2

using elimination method

3x+3y=-9

3x-3y=21

subtract equation 2 from equation 1

0+6y=-30

6y=-30

y=-30/6

y=-5

substitute the value of y in equation 1

3x+3y=-9

3x+3(-5)=-9

3x-15=-9

3x=-9+15

3x=6

x=6/3

x=2

6 0

3 years ago

A repeating decimal + A fraction

AysviL [449]

Answer:

3.33333333333+1/3=3.6666666666666666

7 0

3 years ago

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