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never [62]
3 years ago
5

Urgent help ! similar figures use the similarity relationship to find the indicated value

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

Answer:

my answer is X=3/2 or 1.5

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Simplify the expression
Stolb23 [73]

Answer:

A. {x}^{3}  - x -  \frac{6}{2x + 3}

Step-by-step explanation:

\frac{2 {x}^{4}  + 3 {x}^{3}  - 2 {x}^{2}  - 3x - 6}{2x + 3}  \\  \\  = \frac{(2 {x}^{4}  + 3 {x}^{3} ) - (2 {x}^{2}   + 3x) - 6}{2x + 3}  \\  \\  = \frac{ {x}^{3} (2 {x}  + 3  ) - x(2 {x}  + 3) - 6}{2x + 3}  \\  \\  =  \frac{ {x}^{3} (2x + 3)}{2x + 3}  -  \frac{x(2x + 3)}{2x + 3}  -  \frac{6}{2x + 3}  \\  \\   \purple { \bold{=  {x}^{3}  - x -  \frac{6}{2x + 3}  }}

8 0
2 years ago
CAN ANYBODY PLEASE HELP ME FOR BRAINLIEST, I'VE BEEN ASKING FOR DAYS AND POSTING DAILY THE SAME QUESTION :(
kvv77 [185]

Answer:  y = 650(0.907)^t

This is the same as writing y = 650(0.907)^t

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

Explanation:

Exponential equations can be of the form y = a*b^t

  • a = initial amount
  • b = growth or decay factor

In this case, we have

  • a = 650 mg to start with
  • b = 1 - 0.093 = 0.907 as the decay factor

If we had exponential growth, then we'd compute 1 + 0.093 instead.

Based on those values, we go from y = a*b^t to y = 650(0.907)^t which is the same as writing y = 650(0.907)^t

Other exponential forms are possible, but I think this form is the most intuitive. The 0.907 means that 90.7% of the sample remains after each year.

3 0
2 years ago
a circle has an area of 81 3.14 units . what is the diameter in terms of 3.14a circle has an area of 81 Pi square units what is
Sunny_sXe [5.5K]
You have posted 2 separate questions here.  Please, next time, separate them with a blank line:

<span>A circle has an area of 81 3.14 units . what is the diameter in terms of 3.14?

I'd prefer you write this as 
"</span><span>A circle has an area of 81 pi units . what is the diameter in terms of pi?

Area of a circle = A = pi*r^2.  Note that r= diameter / 2.  Here, the area is 81 pi square units, or 9^2 * pi square units, which means that the radius is 9 units.  The diameter is then 2(9 units) = 18 units.


Your second question, separated from the first, is:

"</span><span>a circle has an area of 81 Pi square units what is the diameter of the circle?"
</span><span>
Use the following formula or formulas:  d = 2*r; A = pi*r^2; A = pi*(d/2)^2.  Find r first, and then find d.

</span>
4 0
3 years ago
Read 2 more answers
George and Carmen went on a bicycle trip. they took a bus to their starting point, and then biked the rest. they traveled 325 ki
chubhunter [2.5K]
In the question there are numerous information's of immense importance already given. Let us write them down first
Distance traveled by bike = x km
Distance traveled by bus = y km
Total distance traveled by George and Carmen = 325 km
Then
x + y = 325
Another equation can be determined by
x - y = 75
x = y + 75
Now we will put the value of x in relation to y in the first equation.
x + y =325
y + 75 + y = 325
2y = 325 - 75
2y =250
y = 250/2
  = 125 km
Now putting the value of y in equation given below, we get
x + y = 325
x + 125 = 325
x = 325 - 125
  = 200 km
So the distance they biked is 200 km and the distance they traveled by bus is 125 km.
6 0
3 years ago
If x&gt;0, what values of c and d make the equations true?
pantera1 [17]

Answer:

In equation A, c = 7

In equation B, d = 5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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