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Rus_ich [418]
3 years ago
6

IF 2^x=10 AND 10^y =128 ,find xy

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

Your answer is

XY= 7

Hope that this is helpful. Tap the crown button, Like & Follow me

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What is x: 1.5x - 6=7.5
enot [183]

\large\text{Hey there!}

\mathsf{1.5x - 6=7.5}\\\mathsf{\bf{\underline{ADD}}}\mathsf{\ by\ 6\ on\ both\ of\ your\ sides}\\\mathsf{1.5x-6+6=7.5+6}\\\mathsf{Cancel\ out: -6+6\ because\ it\ equals\ 0}\\\mathsf{Keep:7.5+6\ because\ it\ helps\ us\ solve\ for\ your\ answer}\\\mathsf{7.5 + 6=13.5}\\\mathsf{We\ get: 1.5x=13.5}\\\mathsf{\bf{\underline{Divide}}}\mathsf{\ both\ sides\ by\ 1.5\ on\ your\ sides}\\\mathsf{\dfrac{1.5x}{1.5}=\dfrac{13.5}{1.5}}\\\\\mathsf{Cancel\ out: \dfrac{1.5x}{1.5}\ because\ it\ equals\ 1}

\mathsf{Keep: \dfrac{13.5}{1.5}\ because\ it\ gives\ you\ x}\\\\\mathsf{\dfrac{13.5}{1.5}=13.5\div1.5\rightarrow9}\\\\\\\boxed{\boxed{\mathsf{\bf{Your\ ANSWER: \boxed{\mathsf{x=9}}}}}}\checkmark

\large\text{Good luck on your assignment and enjoy your day!}\\\\\\\dfrac{\frak{LoveYourselfFirst}}{:)}

7 0
3 years ago
The average of 3, 15, and my number is 40. What is my number?
Anton [14]

Answer: the average of 3 and 15 is 9

Step-by-step explanation:

3 0
3 years ago
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A square with an area of 64 in2 is rotated to form a cylinder. What is the radius of the cylinder?
romanna [79]
The area of the square is calculated through the equation,

                               Area = e²

where e is the measure of sides.
 
From the given,

                              64 = e²
                               e = sqrt 64 = 8 inches

The length of the side of the square rotated to form the cylinder is the diameter of the base of the cylinder. To get the radius, we divide the diameter by 2.

                             radius = 8 inches / 2 = 4 inches

Thus, the radius of the cylinder is equal to <em>4 inches</em>. 
5 0
3 years ago
What is the equation of the line that haas the x-intercept of -5?
Alexus [3.1K]

Answer:

A

Step-by-step explanation:

x=5 is the opposite of -5 so it can be eliminated

y=x-5 is not giving you the x intercept and same with y=-x+5

7 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation 1 = –2x + 3x2 + 1 into the quadratic formula?
Alchen [17]
1=-2x+3x^2+1\\\\3x^2-2x+1-1=0\\\\3x^2-2x=0\\\\\boxed{a=3;\ b=-2;\ c=0}
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