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Natalija [7]
3 years ago
15

Scientists give two different treatments to people who have the flu and determine if their health improved. The results for the

test are in the two-way table.
What percentage of people receiving treatment 1 had improved health?

What percentage of people receiving treatment 2 had improved health?

Mathematics
1 answer:
VashaNatasha [74]3 years ago
5 0

Answer:

58

Step-by-step explanation:

thank me later

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A radiator contains 15 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure anti
Annette [7]
<span>%Antifreeze=<span><span>V<span>Antifreeze</span></span><span>V<span>Fluid</span></span></span></span> <span><span>V<span>Fluid</span></span>=<span><span>V<span>Antifreeze</span></span><span>%Antifreeze</span></span></span> <span><span>V<span>Antifreeze</span></span>=<span>V<span>fluid</span></span>∗%Antifreeze</span> I want to find the amount of antifreeze in a 15 quart solution with 30% antifreeze <span><span>V<span>Antifreeze</span></span>=15∗0.30</span> =18/4 quarts of antifreeze Similarly, I want to find the amount of antifreeze in a 15 quart solution with 35% antifreeze first. <span><span>V<span>Antifreeze</span></span>=15∗0.35</span> = 21/4 quarts of antifreeze


<span>the difference between 21/4 and 18/4 is 3/4 quarts, which is the amount of pure antifreeze I've added in.
</span><span>
SO the V_fluid I replaced with 3/4 quarts of antifreeze is (3/4)/ 0.35</span>


5 0
4 years ago
A car rental company offers two plans for renting a car: Plan A: 30 dollars per day and 13 cents per mile Plan B: 50 dollars per
Shkiper50 [21]

Answer: In order to save money for a 1 day rental with plan B, the number of miles must be greater than 153.84 miles

Step-by-step explanation:

Let x represent the number of miles driven with either plan A or B.

Plan A: 30 dollars per day and 13 cents per mile. It means that the cost of renting the car or one day and driving x miles is

30 + 0.13x

Plan B: 50 dollars per day with free unlimited mileage. It means that the cost of renting the car or one day and driving x miles is 50

In order to save money for a 1 day rental with plan B, the number of miles would be

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50 - 30 < 0.13x

20 < 0.13x

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5 0
4 years ago
Hosea borrowed $20,000 to buy a new speed boat. The interest rate on his loan is 5%. If he plans to pay the loan back in three y
Anit [1.1K]

Answer:

a. Interest amount is $3,000.

b. Total cost is $23,000.

Step-by-step explanation:

a. How much interest will he pay

This can be calculated as follows:

Interest amount = Principal loan Amount * Interest rate * Number of years ........ (1)

Where;

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Interest rate = 5%

Number of years = 3

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7 0
3 years ago
Please answer correctly !!!! Will mark Brianliest !!!!!!!!!!!!!
NARA [144]

Answer:

2261,9 cm³

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5 0
3 years ago
Sketch the curve y=(3x-4)(4x-3)^2
Katyanochek1 [597]
Google has the complete curve of the graph. just search this- <span>y=(3x-4)(4x-3)^2 and it shows. 

Hope this helps!</span>
4 0
4 years ago
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