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Novosadov [1.4K]
3 years ago
8

I dont know how to solve this problems

Mathematics
1 answer:
sasho [114]3 years ago
4 0
Which problem do you need help on? maybe I could help you
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The expression x+3/2x-8 is undefined when x=____?
OLga [1]
3.66666666666667 thats what i get
4 0
4 years ago
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A bowling alley charges x dollars per guest and a fixed $50 rental fee for parties. Which equation represents the total cost,y,
dmitriy555 [2]

Answer:

y = 9x + 50

Step-by-step explanation:

No choices but an equation would be:

y = 9x + 50

4 0
4 years ago
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PLEASE HELP WILL MARK BRAINLIEST
LekaFEV [45]

Step-by-step explanation:

In trapezoid ABCD, it is given that:

AE = BE & DF = CF

Hence, points E and F are the mid points of the sides AB and CD respectively.

We know that:

In a trapezoid length of the line segment joining the mid points of non parallel sides is equal to one half of the sum of lengths of the parallel sides.

\therefore \: 4x =  \frac{1}{2}  \{(x + 5) + 44 \} \\  \\  \therefore \: 4x =  \frac{1}{2}  \{x + 5 + 44 \} \\  \\ \therefore \: 4x  \times 2=  \{x + 49\} \\  \\ \therefore \: 8x =  x + 49 \\  \\  \therefore \: 8x  -  x  =  49 \\  \\  \therefore \: 8x  -  x  =  49 \\  \\ \therefore \:7x = 49 \\  \\ \therefore \:x =  \frac{49}{7}  \\  \\  \therefore \:x =  7\\  \\ \therefore \:4x = 4\times 7.. (\because EF = 4x)\\  \\   \:  \:  \:  \:  \: \huge \red{ \boxed{\therefore \:EF =  28}}

3 0
4 years ago
The ratio of boys to girls in a class is 3:5. There are 40 students in the class. How many students are girls?
Rudiy27

Answer:25

Step-by-step explanation: 3+5=8

40/8=5

5x5=25

6 0
3 years ago
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A police car accelerates quickly to 60 meters per second in order to pursue a minivan that is recklessly speeding along the high
o-na [289]
1. You have that:
 -The <span>police car accelerates 60 meters per second.
 - The minivan has a speed of 45 meters per second and is 600 meters ahead of the police car at the beginning of the chase.
 2. Therefore, you have:
 V1xt=V2xt-600
 V1 is the speed of the minivan and V2 is the speed of the police car
 3. The time is:
 t=-600/V1-V2
 t=-600/(45-60)
 t=40 seconds</span>
5 0
4 years ago
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