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trapecia [35]
3 years ago
11

Please can someone help me

Mathematics
1 answer:
Drupady [299]3 years ago
5 0
235 total miles minus the 55 miles youve already driven = 180 miles left to drive

divide that 180 by the 60mph and its 3 hours left to drivs
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Which of the following does not describe a control group? O A. a group of patients given a new drug B. a group of patients given
Veronika [31]

Answer:

the answer = C (may be but not sure)

5 0
3 years ago
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Write an expression in factored form that is equivalent to the given expression. 1/2x + 4 . can u also tell how you solved it ?
Rufina [12.5K]
2 ways: Easy and hard
Hard=A
Easy=B
A: 1/2x+4 work from there so we do fun stuff with it make something that can be simplified so 1/2x+4 times (2/2)=x+8 now square the whole thing and put the result in a square root thingie (x+8)^2=x^2+16x+64 \sqrt{x^2+16x+64} multiply the whole thing by 4/4 and put \sqrt{16} [\tex] on top so then 
[tex] \sqrt{x^2+16x+64} times \frac{ \sqrt{16} }{4}=\frac{\sqrt{(16)(x^2+16x+64)}}{4}=\frac{ \sqrt{16x^2+256x+1024} }{4} to solve it, factor out the 16 in the square root and then square root 16 to get 4 then it will be (4 times square root of equation)/4=square root of equatio factor square root of equation and square root it and get x+8 divide by 2 to get 1/2x+4


B: 1/2x+4
put stuff that cancels out
1/2x+3x-3x+4+56-56
move them around
3 and 1/2x-3x+60-56
or
2x-3x+1 and 1/2x+30-20+30-36
then just add like terms to solve

5 0
2 years ago
The horizontal distance between two towers is 70m. The angle of depression of the top of the first tower when seen from the top
lana66690 [7]
As shown in the image, we have a 30 degree angle and x, which is what we want. By doing tan30, we can find x, so tan30=x/70 and 70*tan30=x= 70*sqrt(3)/3. 120-x=height of first tower = 120-(70*sqrt(3)/3) = roughly 79.59

7 0
3 years ago
Need help ASAP , midterm<br> - 60 points
malfutka [58]
Your answer is going to be 5.2
5 0
2 years ago
Kini earns 9 dollars an hour at her job and her allowance is 8 dollars per week. Duke earns 7.50 dollars an hour and his allowan
Softa [21]

Answer:

Step-by-step explanation:

y = 9x + 8

y = 7.5x + 16

1.5x = 8

x = 5.3 hours

3 0
3 years ago
Read 2 more answers
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