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3 years ago

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The high temperate for the day dropped 7 degrees Fahrenheit between Monday and Tuesday,rose 9 degrees Fahrenheit on Wednesday, d

ropped 2 degrees Fahrenheit on thursday,and dropped 5 degrees Fahrenheit on Friday. What was the total change in the daily high tempeture from Monday to Friday

1 answer:

Nutka1998 [239]3 years ago

6 0

<span> dropped 7 degrees means "-7"
</span><span>rose 9 degrees means "+9"
</span><span>dropped 2 degrees means "-2"
</span><span> dropped 5 degrees means "-5"
</span>
-7+9-2-5=-14+9= - 5
Answer is -5.

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Answer:

$Total = 7\frac{1}{2} cups$

Step-by-step explanation:

Given

Initially, he drank 3 pints of water

Then, $1\frac{1}{2}$ more cups

Required

How many cups did Ian drink altogether

This question can be solved by adding the size of water he drank during the hike and when he got home

i.e.

$Total = 3\ pints + 1\frac{1}{2} cups$

But the answer should be in cups;

So, number of pints has to be converted to number cups

Given that 1 pint = 2 cups;

3 pints will be 3 * 2 cups

3 pints = 6 cups;

So,

$Total = 3\ pints + 1\frac{1}{2} cups$

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3 years ago

MARSVECTORCALC6 3.4.020. My Notes A rectangular box with no top is to have a surface area of 64 m2. Find the dimensions (in m) t

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Answer:

We would have

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where " l " is length, " w" is width and "h" is height.

Step-by-step explanation:

Step 1

Remember that

Surface area for a box with no top = $lw+2lh+2wh = 64$

where " l " is length, " w" is width and "h" is height.

Step 2.

Remember as well that

Volume of the box = $l*w*h$

Step 3

We can now use lagrange multipliers. Lets say,

$F(l,w,h) = lwh$

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By the lagrange multipliers method we know that

$\nabla F = \lambda \nabla g$

Step 4

Remember that

$\nabla F = (wh,lh,lw)$

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$\nabla g = (w+2h,l+2h , 2w+2l)$

So basically you will have the system of equations

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Now, remember that you can multiply the first eqation, by "l" the second equation by "w" and the third one by "h" and you would get

$lwh = l\lambda (w+2h)\\\\lwh = w\lambda (l+2h)\\\\lwh = h\lambda (2w+2l)$

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If we plug in what we just got, we would have

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