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2 years ago

4c=-40 i don't know this and i need help ill do what i can in return

Mathematics

2 answers:

melamori03 [73]2 years ago

8 0

Answer:

4c=-40

Divide boyh sides by 4

c=-40/4

c=-10

erma4kov [3.2K]2 years ago

7 0

Answer:

c = - 10

Step-by-step explanation:

move all terms containing c to the left all other terms to the right.

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serious [3.7K]

Answer:

Answer is D

Step-by-step explanation:

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2 years ago

find the point-slope equation of the line perpendicular to the line y=2x+5 passing through the point (1,4). (please include solu

pishuonlain [190]

First off, let's keep in mind that perpendicular lines have negative reciprocal slopes, hmmm so what's the slope of y = 2x + 5?

well, notice, that equation is in slope-intercept form, thus $\bf y=\stackrel{slope}{2}x+5$ .

$\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}
{2\implies \stackrel{slope}{\cfrac{2}{1}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{1}{2}}\qquad \stackrel{negative~reciprocal}{-\cfrac{1}{2}}}$

so, we're really looking for the equation of a line whose slope is -1/2 and runs through 1,4.

$\bf (\stackrel{x_1}{1}~,~\stackrel{y_1}{4})\qquad \qquad \qquad 
slope = m\implies -\cfrac{1}{2}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-4=-\cfrac{1}{2}(x-1)$

7 0

3 years ago

*100 points* What is the maximum volume of a square pryamid that can fit inside a cube with a side length of 24 cm? A) 2,304 cm3

Aleonysh [2.5K]

Answer:

B) 4,608.

Step-by-step explanation:

A square pyramid with the maximum volume that can fit inside a cube has a same base as a cube ( 24 cm x 24 cm ) . The height of the pyramid is also same as a side length of a cube ( h = 24 cm ).

The volume of the pyramid:

V = 1/3 · 24² · 24 = 1/3 · 576 · 24 = 4,608 cm³

Answer:

The maximum volume of the pyramid is 4,608 cm³.

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3 years ago

8.3E+2 using scientific notation

Tatiana [17]

Answer:

8.3*10^2

Step-by-step explanation:

The e just equals 10.

Did this help?

8 0

2 years ago

Read 2 more answers

Need help with 7,8,11,12 and the summary

LenKa [72]

Answer:

1) 2

2) 4

11) 3.88

12) 0.01

3 0

2 years ago