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tensa zangetsu [6.8K]
3 years ago
11

Elizabeth and Daniel are starting competing coffee roasting businesses.  They each first buy a large coffee roasting machine and

then spend money to buy coffee beans as they need them. 
For Daniel, these costs can be described by the equation y = 7x + 55 where y is total cost in thousands of dollars and x is the number of tons of coffee beans roasted. 
Mathematics
1 answer:
statuscvo [17]3 years ago
8 0
What's the question?
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The pharmacist uses 67mg, 100g and 0.6 kg of drug to compound 3 separate precription. how much total drug did the pharmacist use
FromTheMoon [43]

Answer: 700.067 g

Step-by-step explanation:

Given : The pharmacist uses 67mg, 100g and 0.6 kg of drug to compound 3 separate prescription.

We know that 1 gram= 1000 milligram

and 1 kilogram = 1000 grams

Then, By UNITARY METHOD, \text{1 mg}=\dfrac{1}{1000}\text{ gram}

Now, We convert each amount of drug into grams as ,

67\ mg=67\times\dfrac{1}{1000}\ g\\\\=0.067\text{ g}

AND

0.6\ kg=0.6\times100=60\text{ g}

Now, the total drug used by Pharmacist (in grams) = 0.067+100+600=700.067\ g

Hence, Pharmacist used 700.067 g of total drug.

8 0
3 years ago
Which function is the inverse of function f? f(x)=9x^2-12
Allisa [31]

Answer:

f−1(x)=√x+123,−√x+123

Step-by-step explanation:

5 0
3 years ago
-1/2x+2=-x+7 i need to know
ludmilkaskok [199]

=  \frac{ - 1}{ \:  \: 2} x + 2 = x + 7

=  \frac{ - 1}{ \:  \:  \: 2} x + 2 - x = 7

=  \frac{ - 3}{ \:  \:  \: 2}x  + 2 = 7

=  \frac{ - 3}{ \:  \ \:  2}x = 7 - 2

=  \frac{ - 3}{ \:  \: \:  2} x = 5

x = 5 \:  \div  \frac{ - 3}{ \:  \: \:  2}

x = 5 \times  \frac{ \:  \:  \: 2}{ - 3}

x =  \frac{ - 10}{ \:  \:  \: 3}

∴  \frac{ - 1}{ \:  \:  \: 2}  \times  \frac{ - 10}{ \:  \:  \: 3}  =  \frac{ - 10}{ \:  \:  \: 3}  + 7

6 0
4 years ago
When designing a building, you must be sure that the building can withstand hurricane force winds, which have a velocity of 73mi
Vesnalui [34]

Answer- 42646.50 pounds


Area of flat surface = Area of rectangle + area of triangle

                                = 12.9*25 + 1/2* 7.2* 25

                                 = 162.5 feet^2

Force exerted by wind =0 .004 * Area * velocity^2

                                      = 42646.50 pounds

5 0
3 years ago
10 points!! Pls help with 5 and 6
marissa [1.9K]

Answer:

I only know number 5 so here it is

the solution for the left is: 2x6=12

the solution for the right is: 5x3+4x1=15+4=19

and the answers are: 1.12 . 2.19

5 0
3 years ago
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