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MArishka [77]
3 years ago
6

In how many ways can a teacher arrange 5 students in the front row of a classroom with a total of 20 students?

Mathematics
1 answer:
makkiz [27]3 years ago
7 0
C, 60,480 i took thiis  before it easy as
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-(5x − 2) > 12 − 10x, when solved for x is:
Nata [24]

Answer:

x > 2

Step-by-step explanation:

5 0
2 years ago
Can you help me with this math problem and tell me how to do it?
Gemiola [76]

Let the number of songs Lou has = X

Kelly has 4 times as many as Lou, which would be written as 4X

Tiffany has 6 times as many songs as Lou, which would be written as 6X


The total number of songs = 682


You need to add all three people together to equal 682


So you would get:

X + 4X + 6X = 682 songs.

Combine all like terms ( 6x + 4x + X = 11x)

11x = 682


Now to solve for X divide both sides by 11:

x = 682 / 11 = 62


Lou = x = 62 songs.

Kelly = 4x = 4(62) = 4*62 = 248 songs.

Tiffany = 6x = 6(62) = 6 *62 = 372 songs.

7 0
3 years ago
Drag and drop the statement into the correct box.
a_sh-v [17]

Answer:

true on all but the last one

Step-by-step explanation:

the last one is false because a trapezoid is considered a quadrilateral that has exactly one pair of parallel sides.

8 0
2 years ago
Can u guys help me please dont steal or guess ( will give brainiest for proof)
Novay_Z [31]

Answer:

30 feet

Step-by-step explanation:

To find the distance use a trigonometric ratio. Since we are looking for the hypotenuse and we are given the opposite side we will be using the ration of sine. We can set up the equation like this by using x as the measure we are looking for.

Sin of x=Opposite leg/Hypotnuse

Sin of 30= 15/x

Multiply by x and then divide by Sin of 30 to isolate the x.

x=15/Sin of 30

Plug it in to a calculator.

x=30

4 0
3 years ago
Linda won $200,000 in a state lottery. She first paid income tax on 30% on the winnings. She invested some of the rest at 1.5% a
Lady_Fox [76]

She invested $ 50000 at 1.5% rate and $ 90000 at 4% rate.

<u><em>Explanation</em></u>

Total amount of winnings = $ 200000

She first paid income tax on 30% on the winnings. So, the amount paid as income tax =(200000*0.30)dollar=60000 dollar.

<u>Remaining amount</u> = $ 200000 - $ 60000 = $ 140000

Suppose, she invested  x dollar at 1.5% rate.

That means, she invested (140000-x) dollar at 4% rate.

Given that, the total amount of interest earned = $ 4350

So, the equation will be.....

0.015x+0.04(140000-x)=4350\\ \\ 0.015x+5600-0.04x=4350\\ \\ -0.025x= 4350-5600\\ \\ -0.025x=-1250\\ \\ x= \frac{-1250}{-0.025}=50000

So, amount of investment at 1.5% rate = $ 50000

and amount of investment at 4% rate = $ 140000 - $ 50000 = $ 90000  


5 0
3 years ago
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