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ludmilkaskok [199]
4 years ago
11

The numerator of a certain fraction is four times the denominator. If 10 is added to both numerator and denominator the resultin

g fraction is equivalent to 2. What is the original fraction?
Mathematics
1 answer:
Ronch [10]4 years ago
7 0
20/5 4x/x adding 10 to each 4x+10/x+10 =2 Multiple x+10 to each side 4x+10=2x+20 Then subtract and get 2x=10 Divide X=5 Now plug it back in 20/5
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Evaluate 4 a + 5 b when a=3 and b= -1.2
Basile [38]

Answer:

6

Step-by-step explanation:

Plug the values of a and b into the equation.

4(3) + 5(-1.2)

12 + (-6)

Adding negatives basically means subtracting, so...

12-6 = 6

Therefore your answer is 6

Hope this helps!

3 0
3 years ago
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Write down the value of 2 with the power of 3
beks73 [17]

Answer:8

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6 0
3 years ago
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The numbers 1, 2, 3, 4, 5, and 6 are placed in a line. How many even numbers can be made from these digits?
fiasKO [112]
<h3>Answer:    360</h3>

==========================================================

Explanation:

We have 3 even values (2,4, and 6) so this is the number of choices we have for the units digit. Recall that a number is even if the units digit is 0,2,4,6 or 8.

Once we have the units digit selected, we have 6-1 = 5 choices for the first slot, 6-2 = 4 choices for the second slot, and so on until we get down to 6-5 = 1 choice for the fifth slot

We could write it out like this

  • slot one = 5 choices
  • slot two = 4 choices
  • slot three = 3 choices
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Multiply those values out: 5*4*3*2*1*3 = 360

There are 360 different even numbers possible.

6 0
3 years ago
Help please ande hank ou
xenn [34]

Answer:

5/27

Step-by-step explanation:

7 0
3 years ago
How do i graph y=-x-21
slava [35]
You would put -21 on bottom right on the x axis and -x on the top left on the y axis
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