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Lana71 [14]
3 years ago
8

Pleas help I’m so lost

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
5 0
Its the middle two. Hope I helped
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5. A group of people were asked if they believed in space creatures. 182 responded "Yes" and 220 responded No" Find the probabil
svet-max [94.6K]

Answer:

\frac{110}{201}, 0.55, 55%

Explanation:

So first you have to find the total number of people.

182 + 220 = 402

Then we put that number in a fraction with the number of people who do not believe in the creatures.

\frac{220}{402}\\55

Then we simplify it.

\frac{220}{402}=\frac{110}{201}\\

That is our fraction answer. In order to change it into a percent we divide the numerator by the denominator.

\frac{110}{201}=0.54726368159\\

Then we round to the nearest hundredth (or what ever it says).

0.55

And that is our decimal. Now to change that into a percent we multiply by 100, or move the decimal to spaces to the right.

55%

And that is our percent.

5 0
4 years ago
(7-3)x(9-2)= what I am stuck help me
natka813 [3]
7-3=4
9-2=7
4x7=28
Use PEMDAS for order of operations, it will save your life
Parenthesis Exponents Multiply Divide Add Subtract
Multiply and Divide  and  Add and Subtract can be switched around with each other, but multiply and divide always happens before add and subtract. The reason you add first here is because it is in the parenthesis.
3 0
4 years ago
Infues Gentamicin 100 mg in 100ml in 15 minutes. What will you set the infusion pump at ml/hr
alexgriva [62]

9514 1404 393

Answer:

  400 mL/h

Step-by-step explanation:

The required rate is ...

  (100 mL)/(1/4 h) = 100×(4/1) mL/h = 400 mL/h

5 0
3 years ago
A stereo that cost $500 and sold for $750 in profit percentage​
Mashutka [201]

Answer:

50% profit

Step-by-step explanation:

750-500 is 250 so that is a 50% profit/markup

7 0
3 years ago
Addition Property of Equality<br> If a = b, then a + 6 = b ?
Oksi-84 [34.3K]
If a=b, then a+6=b+6
4 0
3 years ago
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