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aliya0001 [1]
3 years ago
10

Solve

\frac{4}{6v}" alt="\frac{6}{4} +\frac{4}{6v}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Arada [10]3 years ago
3 0

Answer:

(9v + 4) / 6v.

Step-by-step explanation:

6/4 + 4/6v

The LCD of 4 and 6v is  12v.

6/4 + 4/6v

=  (6* 3v + 8) / 12v

= (18v + 8)/12v

= 2(9v + 4) / 12v

= (9v + 4) / 6v.

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Need help can someone plz help me solved this problem ASAP! Need help I will mark you as brainiest
MrRissso [65]

Answer:  2, 6

<u>Step-by-step explanation:</u>

Triangle Inequality Theorem states that the sum of two sides must be GREATER than the third side.

RS + ST > RT    and     RS + RT > ST     and     ST + RT > RS

2x + 4x > 12                  2x + 12 > 4x                  4x + 12  > 2x

       6x > 12                          12 > 2x                          12  > -2x

         x > 2                            6 > x                             -6 < x

         2 < x                             x < 6                             invalid

Answer:  2 < x < 6      

Graph:     O----------------------O

                2                          6

<em> Note: -6 is invalid because you cannot have a negative length. </em>                     

5 0
4 years ago
I’m giving brainliest to who answers correct!
sweet [91]

Answer:

y = 1/2x + 2

Step-by-step explanation:

for x=10, y=7

for x=20, y=12

for x=30, y=17

y = 1/2x + 2

7 0
3 years ago
Simplify the expression (7+5)+4 x 13-2 <br> Show your work
alex41 [277]

Answer:

7+5 first because of pemdas

7+5 = 12

12+4 x 13-2

then  4 x 13

4 times 13 = 52

12+52-2

then add

12+52 = 64

64-2

then subtract

64-2 = 62

Step-by-step explanation:

Pemdas

6 0
3 years ago
Read 2 more answers
2. When a person is selected at random from a very large population, the probability that the selected person is righthanded is
raketka [301]

Answer:

a) 0.5514

b) 0.0058

Step-by-step explanation:

Data provided in the question:

Probability that the  the selected person is righthanded, P(R) = 0.82

Therefore,

Probability that the  the selected person is not righthanded, P(R') = 1 - 0.82

= 0.18

Now,

a. They are all right-handed

P (They are all right-handed) = P(R) × P(R) × P(R)

= 0.82 × 0.82 × 0.82

= 0.5514

b) None of them is right-handed

P (None of them is right-handed) = P(R') × P(R') × P(R')

= 0.18 × 0.18 × 0.18

= 0.0058

4 0
3 years ago
Quadratic formula, SOMEONE PLEASE HELP (30 points)
Anvisha [2.4K]
1. to create your own quadratic you have to just make up any numbers. so off the top of my head:
y = -5x^2 + 10x - 3

2. the equation to find the x value of the vertex uses is the equation -b/2a. You may notice that this is similar to the quadratic formula except for you take away the plus or minus square root part. if you think about it, it makes sense that this would be the vertex because the plus or minus parts are an equal distance away from the center of the parabola. so using the form ax^2 + bx + c we can plug in the a and b:
x = -10/2 (-5)
x = -10/-10
x = 1

so we have x and can plug into equation to get y value:
y = -5 (1)^2 + 10(1) -3
y= -10 + 10 - 3
y = -3

vertex is at point (1, -3)

3. the axis of symmetry is the line that runs straight up and down at the center of a parabola. the center of the parabola is the vertex so the line runs straight up and down through vertex. for a line to run straight up and down it is a constant x value. since the x of the vertex is 1, the line is:
x = 1

4. using quadratic formula :
x = [-b (+-) sqrt (b^2 - 4ac)]/2a
we get:
x = [-10 (+-) sqrt (10^2 - 4 (-5)(-3)]/2 (-5)
x = [-10 (+-) sqrt (100 - 60)]/-10
x= [-10 (+-) sqrt (40)]/-10
x= [-10 (+-) 2* sqrt (10)]/-10
x= [5 (+-) sqrt (10)]/5

that is the answer. You can use a calculator to solve easily.

5. the discriminant is the solution to what is under the squareroot sign. so the square root part was:
sqrt (b^2 - 4ac)

so discriminant is :
b^2 - 4ac

so for this function it is:
10^2 - 4 (-5)(-3)

solving this the discriminant is 40
6 0
4 years ago
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