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3 years ago

I need help with this assignment help

Mathematics

1 answer:

saw5 [17]3 years ago

4 0

Table:

4 cups of water, 5 cups of flour.

9 cups of water, 10 cups of flour.

16 cups of water, 17 cups of flour.

29 cups of water, 30 cups of flour.

Equation:

f-1=w

Independent variable:

Dependent variable:

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Marco needs 2 gal of paint, he has 10 qts is that enough, explain

DiKsa [7]

Yes it is. A gallon is 4 quarts, so he has more than enough. He has 2 quarts extra.

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3 years ago

If a famer plows 2 acres every 3 hours how long will it take to plow 60 acres

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3 years ago

Ann increased the quantities of all the ingredients in a recipe by 60\%60%60, percent. She used 808080 grams (\text{g})(g)left p

kari74 [83]

Answer:

50 grams

Step-by-step explanation:

Let the amount of cheese required by the recipe be "x"

Ann increased 60% from original amount and then used up 80 grams. Thus:

Original, increased by 60%, became 80

This translated to algebraic equation would be:

x + 0.6x = 80

Note: 60% = 60/100 = 0.6

So we can solve the above equation for "x" and get our answer. Shown below:

$x + 0.6x = 80\\1.6x=80\\x=\frac{80}{1.6}\\x=50$

Hence,

the recipe required 50 grams of cheese

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3 years ago

In 2010, the population of a town was 8500. The population decreased by 4.5% each year.

Soloha48 [4]

Answer:

This is a problem in exponential decay.

a) If a town's population decreases by 4.5% every year that also means that the town's population decreases by a factor of .955 each year. (1 - .045 = .955)

So, after 5 years, the town's population is:

8,500 * .955^5 which equals 6,752.

So, basically, after t years, the town's population equals

8,500 * .955^t where t is the number of years that have passed since the year 2010.

b) population = 8,500 * .955 ^ (number of years since 2010)

7,000 / 8,500 = .955 ^ (number of years since 2010)

0.8235294118 = .955 ^ (number of years since 2010)

To solve for (number of years since 2010) we take logs of both sides

log (0.8235294118 ) = number of years since 2010 * log(.955)

-0.0843208857 = number of years since 2010 * -0.0199966284

-0.0843208857 / -0.0199966284 = number of years since 2010

4.2167551422 = number of years since 2010

So, population = 7,000 when the year is 2014.2167551422

Or about 2.6 months into 2014

(YES, it's just that "easy") LOL

Step-by-step explanation:

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3 years ago

Which of the following statements best describes the graph of 4x-y=1

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4x - y = 1
4x - 1 = y...y = 4x - 1

u have a slope of 4....a y int of ( 0,-1)....an x int of (1/4,0)

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3 years ago