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Bezzdna [24]
3 years ago
5

The city council voted on a new tax. 18 council members voted in favor of the tax. The council has 90 members. What percentage o

f the council members voted in favor of the tax?
Mathematics
2 answers:
Marina CMI [18]3 years ago
7 0

Answer:

20%

Step-by-step explanation:

18/90 = .2

Decimal to Percentage Rule: Multiply by 100

.2 * 100 = 20

20%

Hope this helps!  Have a nice day!

Cerrena [4.2K]3 years ago
5 0
Answer: 20%
Explanation: You can set up a ratio. 18 / 90 to x / 100. x is the percentage of a full 100. Cross multiply, which gives you 1800 and 90. Divide, which gives you 20.
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OleMash [197]
A is the right answer
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the angle of elevation of the top of a building from a point 80 ft away from the building on level ground is 70° determine the b
MA_775_DIABLO [31]
Draw a triangle with shortest side on the ground (horiz.).  The length of this side is 80 feet.  Two angles touch the ground:  a right angle, and the 70 degree angle.
 
Then the height of the building is the 2nd shortest side.

The tangent function is the appropriate one to use here:
                       opp          h
tan 70 deg = -------- = ----------
                        adj        80 ft
                                                                h
Since tan 70 deg  = 2.75,          2.75 = -------
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3 years ago
Select all that apply.
Svetach [21]
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8 0
3 years ago
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A chemist has a 40% alcohol solution and a 25% alcohol solution. How much of each should he mix together to get 50 liters of a 3
ludmilkaskok [199]

Answer:

33 1/3 L of the 40% solution, 16 2/3 L of the 25% solution

Step-by-step explanation:

Set up two equations...

Let x represent the number of Liters of the 40% solution

Let y represent the number of Liters of the 25% solution

We need 50 liters total, so

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and we need the 50 L to be 35% solution, so

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Solve the first equation for one variable...

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Now solve for y...

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So we need to plug that into the first equation to find 'x'

x + 16 2/3 = 50

x = 50 - 16 2/3

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