用戶55769

how to solve by the substitution method problem 1 y=3x+1 3y-5x=11 problem 2 5x-4y=-9 x+4y=3?

How do you solve this simultaneous equation? 4x+y=4 2x+3y=-3?

geometric sequence question?

Can someone please help me with an algebra problem?? Please help?!?

How do I factor each polynomial, using gcf: 3p^2-75?

What is 5/6 of 42? How do I solve this problem please help. Thank you?

In an arithmetic sequence, t3 = 15 and s8 = 168, find the simplified expression of tn.?

choose 4 numbers from 1 to 5 to form a 4-digit number. What is the biggest such 4-digit number divisible by 6?

Algebra 2 Questions?

Math question!!?

Help please!?

On saturday, Mr. Hawkins ran 2 7/8 miles, and Mr. Burger ran 3 1/2 miles. How much farther did mr. Burger run than mr. Hawkins?

PRE CALC HELP!!!!?

(0.15*1.23)/1 = (x*20)/2?

If sin 0= 15/17, then:?

Help me (a)Expand the following expression. (i) (x-4)(x-6)= (ii) (x-2)(x-8)= (b)Hence,factorize(x-2)(x-4)(x-6)(x-8)+16.?

solve this equation 2-2-4x-6=0, using the four methods?

Discriminant of 2x2-4x-6=0?

SAT math level 1 question?

Must 1 + 1 always = 2 ?

Math practice quiz question?

Find the x?

Help me with solving this math question?

Any Help??? S=1/2(wh1+wh2) Solve for w?

What is 1/3 of 10 litres?

How to solve this problem: x^(2) - 6x + 8 ≤ 0?

1,754.347 rounded to the nearest dollar?

(5 + 3 sqrt 7)^2?

If the product of twice a number decreased by five and five times a number increased by seven is zero; find the numbers.?

Which of the following is a factor of 5y4+4y3+10y+8?

Simplify math problem?

Need help in math?

Math help?

solve this simultaneously please! 3x+2y=14 and 2xy+5 =21, I need the working please!?

solve this simultaneous urgentl please! x^2-y^2 =40.....(1) and x+) =10.....(ii)?

X^2-Y^2 =40......(i) and X+Y=10, solve this simultaneously please?

If f(x)=2x^2 -3?

Use the law zines to solve the triangle if possible B=31 C =23 b=22?

One variable plz. Math help.?

Math help. Plz use one variable.?

Simultaneous equation: 2x+3y=8 7x+2y=12?

(5y)^6 x (5y)^3 Halp?

Math Help!?

1/2+2/4=?????

when 8gram hydrogen reacts with 8g oxygen how much water is produced?

if a number is 18 which is more from its 4/7.what is the number?

how many cards can be cut from 24 3/4 inches wide stock if each card is 1 3/8 inches wide?

12x+2=146?

how is (secx + tanx)^2 equal to (1 + sinx)/(1 - sinx) ?

How would you do this math problem?