micatkie

Draw the graph of y = x2 and the tangent at x = 1.?

if 4m+3n=5, find the ratio m:n, 4m-3n=3?

Given that theta is an obtuse angle measured in radians and that sin theta = k, in terms of k, an expression for cos theta?

What is the rate of disappearance of Br2 when [NO]= 5.4×10−2 M and [Br2]= 0.25 M ?

Write the expression as a single logarithm?

In a triangle ABC, XY drawn parallel to the base BC divides AB such that area AXYA = area XBCYX. (as shown below). Find ratio AX/BX.?

Grade 12 Chemistry help (equilibrium)?

In the laboratory, a student dilutes 26.8 mL of a 7.23 M hydrobromic acid solution to a total volume of 150.0 mL. ?

In the xy-plane, the circles with equations (x-3)^2 + y^2 = 11 and (x+2)^2 + y^2 = r^2 are externally tangent. What is the value of r?

Calculate the average density of the earth ?

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 2Al(s)+3Cl2(g)→2AlCl3(s)?

A sprinter accelerates from rest at a uniform rate of 1.75m/s2 for 4 sec to reach his maximum speed.?

Calculate the Earth's Volume in Km^3 and Scientific Notation ?

kindly help me to find out solution of this question?

stone is thrown with a velocity 20 m/s horizontally from top of a tower of height 19.6m. The horizontal range of the projectile i?

write each expression as a single logarithm in simplest form. logA/2 - logB/3?

 (a) Find the gravitational force exerted by the Moon on a 70.0-kg man at the Earth’s equator at noon.?

chemistry question please answer asap?

1/2 life question?

Calculate the experimental Ka for benzoic acid? ?

The weak base ethylamine (C2H5NH2 (aq)) has a Kb of 6.4 x10-4. Concentration of C2H5NH2 for pH? Equilibrium equation?

Use KW to calculate the concentration of [H3O+] in a solution that has an [OH−] of 3.5 × 10−11 mol/L?

If 0.050 mol/L of NO2 (g) exists at equilibrium, what is the concentration of N2O5 (g) at equilibrium (with no products present)?

rate law question?

The nth term of a sequence is  -3 -n   Work out the 50th term of the sequence.?

Check whether p=5 is a solution of p+6=11?

Evaluate: lim h --> 0 (cos(x+h) - cos x / h) Describe the result of this limit.?

Compare the derivatives for y=sin^2(x) And y=sin(x^2)?

Activation energy?

What volume (mL) of .25 M K2Cr2O7 would be required to oxidize 75 mL of 0.25 M Na2SO3 in acidic solution according to the following reaction?

Apparent Weight in Water?

In how many ways can 10 people be divided into two groups, one with 7 people and the other with 3 people?

What is the length of the major axis of the ellipse whose equation is 60x^2 + 30y^2 = 150?

 Use this information to estimate the normal boiling point (in°C) for CCl4. information below. ?

PLEASE HELP ASAP THESE 2 QUESTIONS?

Locate the extrema of... ?

Need help with this SAT 2 math 2 question. Thanks:)?

chemistry help?

Dehydrohalogenation of alkylhalides always gives more than one product. Using 3, methyl 2-butyl chloride, explain this observation.?

When 8.97 g of a non-electrolyte is dissolved in water to make 620 mL of solution, an osmotic pressure of 1.80 torr, measured at 29 °C.?

When the reaction is balanced, what is the coefficient on the Cl–?

Please help.?

A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. ?

find all possible roots of the polynomial where x∈c:?

Given f(x)=2x^4+3x^3-5x^2+3x+2, if k is a non zero real root of f(x)=0, show that 1/k is also a root.?

If (x-2) and (x+2) are factors of 6x^3+ax^2+bx+16, determine a and b, and any remaining factors.?

What is the si unit of mass?

when P(x) is divided by (x+1), the remainder is 3. What is the remainder when xP(x) is divided by (x+1)?

a polynomial has remainder 3 when divided by (x-2) and a remainder of -5 when divided by (x+2) what is the remainder when divided by (x^2-4)?

find the value of a&b if (x^2-5x+4) is a factor of the polynomial 2x^3+ax^2+bx-4. Express in factored form.?