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mixer [17]
3 years ago
15

Please help my slow behind ASAP

Mathematics
1 answer:
barxatty [35]3 years ago
4 0
The answer is D.  The grand total for 12th graders is 68.  Divide the 28 students in 12th grade who prefer math by the grand total to get you a rounded answer of 0.412.
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28 divided by 7 2 x 3 =
gregori [183]
I think the Answer is 24.
3 0
3 years ago
Read 2 more answers
Emily is 4 times as old as Tiffany. In ten years time, Emily will be twice as old as Tiffany . Find their ages.​
Sholpan [36]
<h3><u>Question</u><u>:</u></h3>

Emily is 4 times as old as Tiffany. In ten years time, Emily will be twice as old as Tiffany. Find their ages.

<h3><u>Solution</u><u>:</u></h3>
  • Let the age of Tiffany be x years.
  • Then, the age of Emily = 4x years.
  • After 10 years, the age of Tiffany will be (x+10) years.
  • After 10 years, the age of Emily will be (4x+10) years.
  • Therefore, by the problem

4x + 10 = 2(x + 10) \\  = 4x + 10 = 2x + 20 \\   = > 4x - 2x = 20 - 10 \\  =  > 2x = 10 \\  =  > x =  \frac{10}{2}  \\  =  > x = 5

  • So, Tiffany's present age = 5 years.
  • Emily's present age = (4×5) years = 20 years.
<h3><u>Answer:</u></h3>

Emily's age is 20 years and Tiffany's age is 5 years.

Hope it helps!

7 0
2 years ago
Read 2 more answers
Tia used a photocopier to dilate the design for a monorail track system. The figure shows the design and its photocopy:
Nastasia [14]

Answer:

I think its 28.

Step-by-step explanation: Dont take my word for this tho

the ratio is 1:2 and that would mean that whatever length DA, HE is 2 times.

The length of BC is 14 so 14 x 2 is 28.

8 0
3 years ago
Whats 2x4 because i dont really know that answer
saw5 [17]
Answer:8 .......................
3 0
3 years ago
Read 2 more answers
A line passes through the point [0,-3/2] and has a slope of 1/2. What is the equation of the line
aleksandrvk [35]
In order to do this, we need the general equation of a line which is y=mx+c (where m is the gradient and c is the y-intercept or the value when x is 0)

In this example, the value of m is 1/2 and the value of c is -3/2 because it is the value of y when x is 0.

Therefore the equation of the line is y=(1/2)x-3/2

We can tidy this up a bit to 2y=x-3
8 0
3 years ago
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