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Rudik [331]
3 years ago
5

What number does these numbers share -21,22,65?

Mathematics
1 answer:
finlep [7]3 years ago
8 0

Answer:

uh cuz

Step-by-step explanation:

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(-5,-2) (1,2) find the point-slope equation produced by the points
ANEK [815]

Answer:

M=2+2/1+5=2/3 is the slope

Step-by-step explanation:

8 0
3 years ago
Find the value of x<br>9.10.12,x, 20.25 ; The median is 14.​
Elodia [21]

Answer: 16  

Step-by-step explanation:

9,10,12,x ,20, 25  so we know the median is 14 which is the middle number.

Since the numbers are 6 it means there will be 2 middle numbers and if you divide them it will be 14.

we know one of the middle numbers is 12 and we trying to find x .

So we could use the equation x  + 12 = 2(14)

                                                  x + 12 = 28

                                                     -12   -12  

                                                x= 16  so X is 16.       check:  16+12=28/2 is 14.

6 0
3 years ago
Plz solve . 3+ x &gt; -9
STALIN [3.7K]

Answer:

12

Step-by-step explanation:

3 + x>-9 x=12 15>-9

5 0
3 years ago
Use substitution to solve the system of equations.
polet [3.4K]
The answer is (3,-6)
8 0
3 years ago
Read 2 more answers
Solve the equation by using the quadratic formula.<br> 3 x squared minus 1 = 7 x
Paladinen [302]

Answer:

b.  \frac{7+\sqrt{61} }{6} ,\frac{7-\sqrt{61} }{6}

Step-by-step explanation:

3x^{2} -1=7x

Quadratic equations are suppose to be written as: ax^2+bx+c=0

so the new quadratic equation for this problem will be: 3x^{2} -1-7x=0

Now rearrange the terms: 3x^{2} -7x-1=0

Then use the Quadratic Formula to Solve for the Quadratic Equation

Quadratic Formula = x=\frac{-b±}{} \frac{\sqrt{b^2-4ac} }{2a}

Note: Ignore the A in the quadratic formula

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

3x^{2} -7x-1=0

a = 3

b = -7

c = -1

x=-(-7)±\frac{\sqrt{(-7)^2-4(3)(-1)} }{2(3)}

Evaluate The Exponent

x=\frac{7±\sqrt{(49)-4(3)(-1)} }{2(3)}

Multiply The Numbers

x=\frac{7±\sqrt{49+12} }{2(3)}

Add The Numbers

x=\frac{7±\sqrt{61} }{2(3)}

Multiply The Numbers

x=\frac{7±\sqrt{61} }{6}

4 0
3 years ago
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