I NEED ANSWER ASAP PLEASE NEED HELP

Mathematics

1 answer:

klasskru [66]3 years ago

8 0

That’s all I know, I’m not that smart when it comes to math

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Sketch the line 2x+4y=12 and determine if the point (-2,4) is a solutions you must justify your answer

vladimir2022 [97]

I'm not sure if I got the question right, but:
2x+4y=12
2*(-2)+4*4=12
-4+16=12
12=12

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3 years ago

The height, h, of a falling object t seconds after it is dropped from a platform 300 feet above the ground is modeled by the fun

andrezito [222]

$\bf slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ f(x_2)}}-{{ f(x_1)}}}{{{ x_2}}-{{ x_1}}}\impliedby 
\begin{array}{llll}
average\ rate\\
of\ change
\end{array}\\\\
-------------------------------\\\\
f(x)= 300-16t \qquad 
\begin{cases}
x_1=0\\
x_2=3
\end{cases}\implies \cfrac{f(3)-f(0)}{3-0}
\\\\\\
\cfrac{[300-16(3)]~~-~~[300-16(0)]}{3}\implies \cfrac{[300-48]~-~[300]}{3}
\\\\\\
\cfrac{252-300}{3}\implies -\cfrac{48}{3}\implies -\cfrac{16}{1}\implies -16$

is a negative rate, because the object is falling down, at 16 feet every passing second.

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3 years ago

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Express this in scientific notation 13,040,000

castortr0y [4]

First, to rewrite something in scientific notation, we want to move the decimal point a number of times to the right or left to end with a number between 0 and 10. In this case, we want to move the decimal point 7 times to the left to get the number 1.304. In scientific notation, this would be the same as 1.304*10^7.

I hope this helps!

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4 years ago

Jada can bake 12 cookies in 30 minutes. A this rate, how long will it take her to bake 144 cookies?

Elodia [21]

6 hours

Working;
If 12 cookies take 30 minutes,
Then one cookie takes $\frac{30}{12}$

144 cookies would take <span> $\frac{30}{12}$ * 144
=360 minutes or 6 hours</span>

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4 years ago

N=3x45 write what n represents in the related division problem

Hitman42 [59]

One hundred thirty five 13%

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4 years ago

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