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3 years ago

Omar pour 2/3 cup of juice each morning for himself and 2 brothers. How many quarts of juice does he use in 30 days?

2 answers:

8 0

Does he pour 2/3 cups for everyone or total?
Everyone
If he pours 2/3 cups for everyone, that's 2/3*3 = 6/3 = 2
Then he does that for 30 days. That's 2cups*30 = 60 cups
1 quarter = 1/4
60 / 0,25 = 240

240 quarts

In total
If he pours 2/3 cups in total, that's 2/3 cups * 30 = 60/3 = 20 cups
1 quarter = 1/4
20 / 0,25 = 80

80 quarts

pishuonlain [190]3 years ago

3 0

So there are three people who drink juice each morning, each drinking 2/3 cups, how man cups do you think will be drank in one day?

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3 years ago

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3 years ago

Find the slope (3, 8) and (2, 10)

polet [3.4K]

Answer:

m = -2

Step-by-step explanation:

Let (x1 , y1 ) = ( 3 , 8) and (x2 , y2 ) = ( 2 , 10)

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3 years ago

Read 2 more answers

Solve for r v = 4/3 r^3

sergejj [24]

Answer:

$r=\sqrt[3]{\frac{3v}{4} }$

Step-by-step explanation:

To solve for $r$ :

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8 0

3 years ago

Find an equation of the tangent line to the curve 2(x2+y2)2=25(x2−y2) (a lemniscate) at the point (−3,1). An equation of the tan

valina [46]

$2(x^2+y^2)^2=25(x^2-y^2)$

Let $y=y(x)$ , so that differentiating both sides wrt $x$ gives

$4(x^2+y^2)\left(2x+2y\dfrac{\mathrm dy}{\mathrm dx}\right)=25\left(2x-2y\dfrac{\mathrm dy}{\mathrm dx}\right)$

If $x=-3$ and $y=1$ , the above reduces to

$40\left(-6+2\dfrac{\mathrm dy}{\mathrm dx}\right)=25\left(-6-2\dfrac{\mathrm dy}{\mathrm dx}\right)\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac9{13}$

This is the slope of the tangent line, which has equation

$y-1=\dfrac9{13}(x+3)\implies\boxed{y=\dfrac{9x+40}{13}}$

7 0

2 years ago