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The tens digit of a twodigit number exceeds twice the units digits by 1. If the digits are reversed, the sum of the new number and the original number is 143. What is the original number?

A photo that measures 5 in. by 7 in. is enlarged to 7.5 in. by #x# in. What is #x#?

What is the condition for #x^2+ax+b# to be divisible by x+c?

Question #5954a

What is the equation of the hyperbola with a center at (0, 0), a vertex at (0, 60), and a focus at (0, 65)?

#a<b<c<d#. How do you find the solution(s) of xa+xc=xb+xd?
It is verifiable that, for #(a, b, c, d)=(1, 2, 3, 5), x=7/2# is a solution.

#a<b<c<d#. How do you find the solution(s) of xa+xc=xb+xd?
It is verifiable that, for #(a, b, c, d)=(1, 2, 3, 5), x=7/2# is a solution.

What was the Onin War?

Question #2cd23

A concentrated HCl solution is described in the bottle as containing 36%(mass by volume) of HCl.what is the molar concentration of this volume?

How is oxygenated blood different from deoxygenated blood?

How does Japan's economic recession affect the roles of women and birth rates?

A triangle has corners at #(5 ,7 )#, #(2 ,1 )#, and #(3 ,6 )#. What is the area of the triangle's circumscribed circle?

Is XWY equal to ZWY by HL? explain if no or name the legs if yes?

During a rodeo, a clown runs 8.0 m north, turns 55° north of east, and runs 3.5 m. Then, after waiting for the bull to come near, the clown turns due east and runs 5.0 m to exit the arena. What is the clown's total displacement?

A Happy New Year! Why don't you solve these questions related to 2018?

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Is the number of valence electrons the same for all elements within a group on the periodic table?

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Does the equation #y = x^2# represent a direct variation and if so, identify the constant of variation?

What type of mixture contains intermediate sized particles that are larger than molecules but not so large that the components separate?

When 2.5kg weight of hero's hand hits the villain of 80kg,in a movie,the villain moves with 12.5ms1 and hits a transformer near by.what will be the speed of hero's hand compared to bullet fired from a gun(here speed of bullet is 370ms1)?

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Use linear interpolation between consecutive perfect squares to find find an approximation of each value. Round your answer to the nearest tenth.
Using these rules how would I do this with #sqrt3#?

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If the chemical formula is #"C"_6"H"_10"O"_3#, what is the degree of unsaturation? Then, given the information below, what is the compound?

Question #4d5f3

The IR spectrum shows a peak at #"1720 cm"^(1)#, and the #""^(1) "H"# #"NMR"# shows a doublet near #"1.10 ppm"#, a singlet at #"2.10 ppm"#, and a septet at #"2.50 ppm"#. What is the compound?

How is the structure of the haiku and the tanka similar?

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Why were North and South Korea divided after World War II?

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What is the exponential form of the logarithmic equation?

I'm confused to comprehend the meaning of this sentence. "Now you've completely lost the tack on being a whacko/wacko in what you are writing". Please correct and explain?

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Can ferric(3) oxide or ferric(3) acetate be substituted with ferric(3) chloride for phenol test ?

How do you divide #( i3) / (2i+1)# in trigonometric form?

When a discount of #15%# is allowed on the marked price of a article,it is sold for #4250$# . If the marked price is #25%# above the cost price of the article. Calculate gain or loss percentage?

Is Socratic a safe website?

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Is there a way to write absolute value bars when asking a question? I looked through the list of symbols given on the website, but I didn't see anything.

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Describe the similarities and differences in solving example 6?
Example 6: x/2+15=5 X=40
Example 8: 4+x/5=7 x=15
*Please check if I solved example 6 correctly. Thanks so much :)

How would much water in grams be required to completely dissolve 75 grams of KNO3 at 60 degrees celsius?

A football has a diameter of 22 cm. It is inflated to 1 atm pressure above normal atmospheric pressure on a sunny summer day when the temperature was 25C.
Take normal atmospheric pressure to be 101.3 kPa.
What mass of air is contained in the ball?

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What is the area?

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How do you write a piecewise function that has domain of (all real numbers) and range of y that is not equal to 2?

A parallelogram has sides with lengths of #7 # and #15 #. If the parallelogram's area is #8 #, what is the length of its longest diagonal?

Am I doing this regression problem wrongly?? Please help! Thank you!

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How do solve the following integral?
#int(t+7)^2/t^3dt#

How to do this regression question?

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True or false?
Any nonzero number raised to zero is one.
Thanks

How to get a mathematical equation for this line of numbers: 30, 59, 91, 124 ,159, 233, 273 and 314?

Effect vs Affect?

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Question #24507

In reaction:
2H₂O(g)⇌2H₂(g)+O₂(g); ∆H=+242 kJ/mol
In which direction the equilibrium shifts, if:
a. Temperature is increased?
b. Temperature is descreased?
c. H₂ is added?
d. O₂ is reduced?
e. Pressure is enlarged?

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Question #54f58

Is cooking bread an endothermic reaction?

Some very hot rocks have a temperature of #420 ^o C# and a specific heat of #120 J/(Kg*K)#. The rocks are bathed in #24 L# of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?

If f(x)=ax+b and f^1(x)=bx+a, what are the values of a and b?

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A motorboat moves 12 miles per hour in still water. It travels 23 miles upstream and 23 miles downstream in a total time of 24.0 hours. What is the speed of the current?

The base of a triangular pyramid is a triangle with corners at #(7 ,5 )#, #(3 ,2 )#, and #(5 ,7 )#. If the pyramid has a height of #8 #, what is the pyramid's volume?

Question #0031c

A solid consists of a cone on top of a cylinder with a radius equal to that of the cone. The height of the cone is #33 # and the height of the cylinder is #17 #. If the volume of the solid is #140 pi#, what is the area of the base of the cylinder?

Question #d445b

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