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# 2x+5y=-21/-4-10y=42

is it consistant, inconsistant, or depent

# 5/6 10x10 grid

5/6 10x10 grid equal and the percentages

# (3/5 + 3/4)-1/2

need help just in the process of the prblom

2(3x-2)>22

# 6/10 min. = 8/ x min.

If it takes 1omin. to cut a log in 6 pieces, how many minutes will it take to cut the log in 8 pieces?

# Find all points where f(x, y)=4xy+sin3x^2*y is continuous.

Find all points where f(x, y)=4xy+sin3x^2*y is continuous. The answer is All x, y. But how to get there?

# solve with substitution. answer as ordered pair. 3x-y=66 2y=x

{algebra math substitution} please hellppp mee i have 5 questions that are really hard for me and I have tried them every way i can think of and each time its the wrong answer and I cant just put...

# Write an equation of the line tht passes through the given point and is perpendicular to the graph of the given equation?

Write an equation of the line that passes through the given point and is perpendicular to the graph of the given equation? 1. (-9, 3); 3x + y = 5 2. (-8, 3); y +4 = -2/3(x-2) 3...

# Choose the variation of this equation: A=(1/2)(b)(h)

i need help sovling this problem.

# Graph the inequality?

How would you graph this and what would the plots be?  Thanks! x + 4y < 2

# Graphing inequalities?

What would be the graphing plots to?:  -4x-5y>-20 I know one side should be shaded but not sure if the line is solid or dotted.  Thank you!

k9m2 — k4m

# Find the curvature?

Find the curvature of r(t)=<e^-2t, 2t, 4>. r'(t)=<-2e^-2t, 2, 0> What to do next? Show your steps.

# |w|+3=9 can you explain how to work this problem

the answers are in the back of my book wich are {-6, 6} but I don't know how they got them

# Use Gauss' Law for Electricity to find the total charge?

Use Gauss' Law for Electricity to find the total charge in the hemisphere z=sqrt(R^2-x^2-y^2) for E=<4x-y, 2y+z, 3xy>. (Answer: 4pi*Eo*R^3) The divergence is 6, I've set up the triple...

# Use the method of substitution to solve the system of linear equations.

Select the correct choice below and if necessary type a ordered pair if the chosen answer is (a) (a) There is one solution. The solution is ? (b) There are infinitely many solutions. (c)...

# if (a+3)/5 is an integer , what is the remainder when a is divided by 5?

if (a+3)/5 is an integer , what is the remainder when a is divided by 5

# Use Stokes' Theorem to compute the surface integral?

Use Stokes' Theorem to compute the surface integral where S is the portion of the tetrahedron bounded by x+y+2z=2 and the coordinate planes with z>0, n upward, F=<zy^4-y^2, y-x^3, z^2>...

# de has endpoints d(0,3) and e(0,12). find the length of de and round to nearest tenth

im stuck on how to solve this problem