2 years ago

The graph shown below is a scatter plot:

Mathematics

1 answer:

Verdich [7]2 years ago

8 0

I don’t see a point so how am I supposed to answer

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Factor<br> 49x2 + 28 xy + 4y2

shtirl [24]

So first u need to take a math torture

8 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=0%20%3D%20%20%20-%204.9t%20%7B%7D%5E%7B2%7D%20%20%2B%2027t%20%2B%202.4" id="TexFormula1" title

marta [7]

$0 = - 4.9t {}^{2} + 27t + 2.4$
Convert decimals to fractions

$0 = - \frac{49}{10} t {}^{2} + 27t + \frac{12}{5}$
Multiply both sides by 10

$0 = - 49t {}^{2} + 270t + 24$
Move expression to the left.

$0 + 49t {}^{2} - 270t - 24 = 0$
Remove zero.

$49t {}^{2} - 270t - 24 = 0$ Solve the quadratic equation.

$t = \frac{ - ( - 270) + - \sqrt{( - 270) {}^{2} - 4 \times 49 \times ( - 24) } }{2 \times 49}$
Remove parenthesis and calculate.

$t = \frac{270 + - \sqrt{72900 + 4704} }{98}$
Add the numbers

$t = \frac{270 + - 77604}{98}$
Separate the solutions

$t = \frac{270 + \sqrt{77604} }{98} \\ t = \frac{270 - \sqrt{77604} }{98}$
The final solution are
$t1 = \frac{270 - \sqrt{77604} }{98} , t2 = \frac{270 + \sqrt{77604} }{98}$

7 0

3 years ago

You are planning to build a rectangular vegetable garden with a perimeter of 42 m. the length is twice the width. find the dimen

Mrac [35]

Length - 14 meters

Width - 7 meters

The length is twice the width - 7 times 2 = 14

There are four sides, two 14m and two 7m. 14 x 2 + 7 x 2 = 42

8 0

3 years ago

On a 1:5 scale drawing of a car one part is 8 inches how long will the actual car part be

lina2011 [118]