equations algebra

1. The exponential models below describe the population of the indicated country, A, in millions, t years after 2010. Russia - A=141.9e^–0.005t Japan - A=127.3e^–0.006t Iraq - A=31...

Cheryl score 9 points to win game one in a ring toss game she lost 7 of the points in game two write two equations to show how many remaining points she had

Been trying 2 figure out this math problem for a hour and a half help me

Write down simultaneous equations and solve then to find x and y

I don't know how to write the equations because i cant figure out what am i supposed to take from this word problem to GET the equations   the question;   The cost of 1...

Aug 13 | Mian from Bethlehem, PA | 1 Answer | 0 Votes

How do i write equation and graph

The Sugar Sweet Company is going to transport its sugar to the market it will cost $7500 to rent trucks , and it will cost an additional $250 for each ton of sugar transported. Let c represent the...

Solve the equation.

2t-5√t-3=0

Solve the equation.

4x^4-11x^2-45=0

Solve by completing the square.

x^2-8x=-13

Solve the formula for r.

36(r-4)^2=A

Solve the equation.

1/a-1/3=1/a-2

The function f(x)=5x+1 is one-to-one.

Find an equation for f-1(x), the inverse function.   f-1(x)=

If a line through the points (8, 2 and (-2, y) is perpendicular to the line 5x + 8y=34 find the value of y.

 please.help. im clueless

balanced net ionic equation how to do this

Show the balanced net ionic equation and list spectator ions when a solution of potassium iodide and lead (II) nitrate react to produce a precipitate of lead (II) iodide suspended in a solution of...

Equation of hyperbola

Find an equation for the hyperbola that satisfies the given conditions:   Foci (0,±6), asymptotes y=±(1/3)x

Find the coordinates of the point of intersection algebraically. (Break-even point)

Word problem goes as followed:  A recording company invests $18,972 for the set-up cost for producing a master tape of a band and it costs $1.90 to make each copy of the master tape. Each...

Solve chemical reaction for temperature of exothermic reaction (thermite)

Hi there, I I have a question about Physics/ chemistry. If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what...

According to projections through the year​ 2030, the population y of the given state in year x is approximated by State​ A:   -5x+y=11300 -138x+y=7000

The equation are listed on rows. -5x+y= 11300                                          ...

Two mathematics classes have a total of 410 students the 8 a.m. class has 40 more than the 10 a.m. class how many students are in the 10 a.m. class

 Studying for a math test

Jul 20 | Mashekia from Augusta, GA | 1 Answer | 0 Votes

Taxi charges are $3.75 plus $1.53 per kilometre for any trip in Sydney. If Elena’s taxi farewas $42.00, how far did she travel?

can u show me the working out plz!

Defining functions of x

Determine if the following equations define functions of x:   a. y=√x+5   b. x2+y2=5

Equation adjustment D = mí * S / (Ks + S) to S = DKs / (mí - D) steps.

Hi, what are the steps of equation adjustment from D = mí * S / (Ks + S) to S = DKs / (mí - D). Thank you for you answer.