Is 76 pounds of Christina's body weight comes from water about how much does Christina weigh

Mathematics

1 answer:

Ghella [55]3 years ago

8 0

If 90% of bodies are water weight, then we have 10% left.

76+10% = 83.6.

83.6 total.

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I need help with this question

MrMuchimi

Part a:
this is really just intuition. you can go either way as long as you back up what you say.
either you think hunter would be faster because he starts out with a lot more money, or you think amado would be faster because he earns a lot more.

part b:
let x be the number of hours hunter works, and y the number that amado works.
they both need to earn 600 dollars.

hunter's money is modelled by 150 + 7.5x
to get 600 dollars
150 + 7.5x = 600
7.5x = 450
x = 60

amado's money is modelled by 12y
to get 600 dollars
12y = 600
y = 50

hunter would need to work 60 hours to make enough money, but amado would only need to work 50, so hunter will take longer.

then say whether this agrees with what you guessed in part a

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Write the equation of the line in fully simplified slope-intercept form. y intercept = -2 (GIVE EXPLANATION)

nekit [7.7K]

Answer:

See Below:

Step-by-step explanation:

So, first of all. to find the equation of the line, the equation has to be in $y=mx+b$ form. In this for the following are:

$m$ is the slope of the line
$b$ is the y intercept

Solving

So, first of all, to find the equation of the line, we can get two points from the line, you can pick any points you want, but for this case, I will be using (0,-2) and (-2,0).

To solve for the slope, we can use rise over run to find the equation.

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Upon inserting our points into the equation, we get a slope of -1.

$\frac{0-(-2)}{-2-0}=\frac{2}{-2}=-1$

Creating The Equation

To create the equation in $y=mx+b$ form, we need to know what the intercept and the slope are, for which we solved above. We can now put in the things we found to get our final equation.

$y=-1x-2$