3h

The sum of two numbers is 64. Show that their product has a maximum of 1024.
please show detailed working out I have trouble understanding this even though it looks easy.
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6h

find the slope intercept form and the point slope
the line parallel to x=-4 going through points (-5,10)
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9h

My question is all about physics cbt
The statement below was made by some students describing what happened during the determination of the melting point of solids. (1) The temperature of the solid was constandt until melting started.... more
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9h

TI-84 Plus Question.
I am trying to do log on my TI-84 Plus, and it always equals 0 for any problem I do.How would I do the problem log3(x)=-2? (base of 3)Another one I had also was 4^(4x)=16^(x+1).Thanks!
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13h

Find the following. ​(a) the distance between the two points ​(b) the coordinates of the midpoint of the segment having the points as endpoints (−8,5) and (13,−11)
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14h

Mark earns $47,800 a year working for a delivery service. He is single and pays $2,152.60 in state income tax each year. He claims no dependents. What is the tax rate of Mark’s state he lives in?
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14h

How much state tax is withheld from $36,200 if the tax rate is 4%?
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14h

Plot each point in the​ xy-plane. Tell in which quadrant or on what coordinate axis each point lies. A= (8,1) D= (3,−2) B= (−6,−8) E= (−4,9) C= (−9,0)
In which quadrant or on what axis does point A​ lie?A.none, because the point is on the y-axisB.Quadrant IC.Quadrant IIID.Quadrant IIE.none, because the point is on the x-axisF. Quadrant IV
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15h

a recipe for pancake requires 2 1/2 cups of flour and 3 cups of sugar, how many cups of flour is needed to make 1/1/2 times as much pancake
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15h

Let f(t) represent the temperature of a turkey baking in an oven as a function of time ?
Let f(t) represent the temperature of a turkey baking in an oven as a function of time t in the oven (in minutes). This means time is the independent variable and temperature of the turkey is the... more
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15h

The measure of the first angle, second angle and third angle

In a triangle, the measure of the first angle is three times the measure of the second angle. The measure of the third angle is 55 degrees more than the measure of the second angle. Use the fact... more
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15h

Math pre alebra 7G-5=37
I need help solving this problem.
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17h

The line of best fit through a set of data

The line of best fit through a set of data is y=43.867−2.669xAccording to this equation, what is the predicted value of the dependent variable when the independent variable has value 70?Round to 1... more
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17h

What is the predicted explanatory value?
You run a regression analysis on a bivariate set of data (n=93). You obtain the regression equation y=−3.808x+41.312with a correlation coefficient of r=−0.608 (which is significant at α=0.01). You... more
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18h

find the slope intercept form and the point slope
the lines whose slope is -3/4 going through the point (1,-5)
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18h

algebra question
Incline mats, or triangle mats, are offered with different levels of incline to help gymnasts learn basic moves. As the name may suggest, two sides of the mat are right triangles. If the height of... more
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18h

Math Word problem

a couch and coffee table cost a total of $1194 the couch is two times the cost ot the coffee table find the cost of each item
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19h

Calculus 3 Parametric
Find the surface area of the part of the plane z=6+2x+3y that lies inside the cylinder x^2+y^2=16
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19h

Is the entropy of the universe increasing or decreasing? Do you think the sum total of the actions of humanity is increasing or decreasing entropy overall?
Is the entropy of the universe increasing or decreasing? Do you think the sum total of the actions of humanity is increasing or decreasing entropy overall?
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19h

please help me with this problem
A swimming pool holds 600,000 liters of water. The pool has two drainage pipes. When the pool is completely full, the first pipe alone can empty it in 150 minutes, and the second pipe alone can... more
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19h

indicated probability
Assume the random variable x is normally distributed with mean μ=80 and standard deviation σ=4. Find the indicated probability.​P(x<78​)
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19h

Gravitational Potential Energy physics

Candy bar has an energy content of 212 Cal = 212 kcal = 8.87 x 105 J. If 81.0 kg mountain climber eats the bar, how much altitude (y) should she be able to gain? (Assume her body is 100% efficient... more
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19h

Physics spring constant

Our system is a block attached to a horizontal spring on a frictionless table. The spring has a spring constant of 4.0 N/m and a rest length of 1.0 m, and the block has a mass of 0.25 kg.  Compute... more
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19h

Physics finding mechanical energy

An object that follows Hooke’s Law is hanging 2 m above the ground with a mass of 1.5 kg and a spring constant of 1.2 N/m. If the object is at rest when stretched 0.25 m, what is its total... more
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19h

What is the pH of a solution that is 1.5 M NaOH in water?
What is the pH of a solution that is 1.5 M NaOH in water?What is the H3O+ concentration of a solution that has a pOH of 10.6?What is the pH of a benzoic acid solution that is 1.5 M in water (Ka =... more
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