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Andrew [12]
2 years ago
5

What is the equation of a line with the points (2,-1) and (4,-6) and a y-intercept of 4?

Mathematics
2 answers:
nignag [31]2 years ago
8 0

Answer:

(-4,6)

Step-by-step explanation:

Viktor [21]2 years ago
4 0

Answer:

(-4,6)

Step-by-step explanation:

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The sum of two numbers is 37 and the difference is 9. What are the numbers
solmaris [256]

Answer:

23 and 14

Step-by-step explanation:

7 0
2 years ago
A cube has a surface area of 486 cm2. What is the side length ?
astraxan [27]
A Cube, has all equal sides, namely, the length, width and height
are all equal to each other

so..  notice the picture added here
you have really, 6 squares, stacked up to each other at the edges

so...what is the Area of one of those squares?
well, if the sides are equal, let's say the side is "x" long, then
the Area is x\cdot x \implies x^2

well, you have 6 of those squares, thus \bf \textit{surface area of a cube}=
\begin{cases}
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)+\\
(x\cdot x)\\
 --------------\\
 x^2+x^2+x^2+x^2+x^2\\
6x^2
\end{cases}
\\\\
\textit{we know the Area is }486\ cm^2\qquad thus
\\\\
\textit{surface area}=6x^2\implies 486=6x^2

solve for "x", to get one side's length

3 0
3 years ago
True or False
damaskus [11]

Answer:

False.

Step-by-step explanation:

it is an angle formed by 2 adjacent sides inside the polygon.

5 0
3 years ago
Read 2 more answers
Find the slope and y-intercept of the line. 18x + 4y = 112 A)-9/2; 1/28 B)-2/9 ; 28 C)18; 112 D)-9/2; 28
mrs_skeptik [129]

Answer:

The slope is -9/2 and the y intercept is 28

Step-by-step explanation:

We want to put this in slope intercept form

y = mx+b where m is the slope and b is the y intercept

18x + 4y = 112

Subtract 18x from each side

18x+4y-18x = -18x+112

4y = -18x+112

Divide each side by 4

4y/4 = -18x/4 +112/4

y = -9/2x + 28

The slope is -9/2 and the y intercept is 28

5 0
3 years ago
Just a question that i need help on :)
Setler [38]

Answer:

45

Step-by-step explanation:

tu

8 0
3 years ago
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