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3 years ago

Sole this sole for y i will give 20$ to whoever solves it right and with proper explanation

Mathematics

1 answer:

VikaD [51]3 years ago

7 0

Answer:

$28 + 28 + 17 + 17$

that should give you the answer but it's really blurry so I cant see it

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Which equation in standard form has a graph that passes through the point (-4 , 2) and has a slope of 9/2?

malfutka [58]

Answer is C. 9x-2y=-40

hope that helps

because y = 9/2x +20 then 2y = 9x + 40 so 9x -2y = -40

8 0

3 years ago

Can someone please help me with 19a?

Mila [183]

Answer:

d(t) = 60t

Step-by-step explanation:

When d = 0, t = 0 as well, so the y-intercept in 0. The slope of the line would be 60.

Hope this helps!

7 0

3 years ago

Is 1/4 of 8 equal to 2

Svet_ta [14]

Yes, 1/4 of 8 is equal to two.
1/4x8=2
Hope this helps! :)

5 0

4 years ago

Read 2 more answers

Expres each of the folowing as a single matrix.

Elden [556K]

Answer:

$\left[\begin{array}{cc}6&-3\\10&-1\end{array}\right]+\left[\begin{array}{cc}-2&8\\3&-12\end{array}\right]=\left[\begin{array}{cc}4&5\\13&-13\end{array}\right]$

Step-by-step explanation:

If you have two matrices:

$A=\left[\begin{array}{cc}a&b\\c&d\end{array}\right]\\and\\B=\left[\begin{array}{cc}e&f\\g&h\end{array}\right]\\\\\\A+B=\left[\begin{array}{cc}a+e&b+f\\c+g&d+h\end{array}\right]$

We have:

$A=\left[\begin{array}{cc}6&-3\\10&-1\end{array}\right]\\and\\B=\left[\begin{array}{cc}-2&8\\3&-12\end{array}\right]$

And we need to express as a single matrix:

$A+B=\left[\begin{array}{cc}6&-3\\10&-1\end{array}\right]+\left[\begin{array}{cc}-2&8\\3&-12\end{array}\right]\\\\\\A+B=\left[\begin{array}{cc}6+(-2)&-3+8\\10+3&-1+(-12)\end{array}\right]\\\\\\A+B=\left[\begin{array}{cc}6-2&5\\13&-1-12\end{array}\right]\\\\\\A+B=\left[\begin{array}{cc}4&5\\13&-13\end{array}\right]$

The answer is:

$\left[\begin{array}{cc}6&-3\\10&-1\end{array}\right]+\left[\begin{array}{cc}-2&8\\3&-12\end{array}\right]=\left[\begin{array}{cc}4&5\\13&-13\end{array}\right]$

It is expressed as a single matrix.

8 0

3 years ago

Which three values are greater than 1/2? 1/3 45% 0.62 59% 0.315 3/4

Sloan [31]

0.62, 59%, and 3/4
these are all more than 50% which is what 1/2 is.

8 0

3 years ago

Read 2 more answers