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geniusboy [140]
3 years ago
11

A house has increased in value by 28% since it was purchase. if the current value is $416,000, what was the value when it what w

as purchased?​
Mathematics
1 answer:
EleoNora [17]3 years ago
6 0

Answer: 300,000

Step-by-step explanation:

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a solution consisting of 52 mg of dopamine in 26 mL of solution at a rate of 10 mL/hr what is the flow rate in mg of dopamine pe
aivan3 [116]

Answer:

20 mg / hour

Step-by-step explanation:

The first step is to find the mg/mL of dopamine.

If there are 52 mg / 26 mL, then there are 2 mg / 1 mL (just reduce the fraction).

If we are losing 10 mL / 1 hour, and there are 2 mg / mL, then the flow rate of dopamine mg / hour is 20.

You can also do this using dimensional analysis.

\frac{52 mg}{26 mL} (\frac{10 mL}{1 hour})

Just cross out the units that cancel in the numerator and denominator (mL in this case), and you're left with mg / hour. Then multiply the numerators and divide by the denominators. You get the same answer.

4 0
4 years ago
33 students are going on a field trip4 students can ride in each carHow many cars will they need for the field trip?
patriot [66]

Answer:

9 cars

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Solve each equation. check you solution.<br> (7t - 2) - (-3t + 1) = -3(1 - 3t)
Lynna [10]
(7t-2) - (-3t+1) = -3*(1-3t)
First distribute:
7t-2+3t-1 = -3+9t
Now get all the terms with 't' on the same side by subtracting/adding:
7t+3t-9t = -3+2+1
Combine the terms:
1t=0
t=0

Check:
Plug in 0 for t and see if both sides of the equation come out the same:
Does (7(0)-2) - (-3(0)+1) = -3(1-3(0))  ?
(-2) - (1) = -3(1)  ?
-3 = -3  ?
Yes! It works, so t=0! 
5 0
4 years ago
Find the value of x. Round your answer to the nearest tenth
Sergio039 [100]

Answer:

Your answer would be 24 but then if you  round it to the nearest tenth the you would have 20

Step-by-step explanation:

i hope this helps

4 0
2 years ago
A group of biologists found a total of 15 loggerhead turtle nests along a beach during a certain season. This was 20% of the tot
Andre45 [30]
20% also equals 1/5, right?

So in order to find the total number of turtle nests, just find 5/5, or multiply 15 by 5.

15 x 5 = 75

There were 75 total nests
6 0
4 years ago
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