12/19/20

find cos(a+b) if sina=1 and cosb=1

12/19/20

Translate this sentence into an equation Seven times the sum of a number 4 equals 3 use the variable W for the unknown number

Translate this sentence into an equation Seven times the sum of a number 4 equals 3 use the variable W for

12/19/20

systems of equations

Martha saw parrots and deer in a park. she counted 45 heads and 140 legs. how many parrots were there?

12/19/20

systems of equations

Michelle bought 2 teddy bears and 3 flower vases for $27 in a shopping mall. Shannon bought 3 teddy bears and 2 flower vases for $30.5 from the same mall. what is the cost of a flower vase?

12/19/20

Please help i’m in 8th grade!!

A group of friends went out for they bought 4 hamburgers and 3 chili dogs and spent 36 dollars in total.-H represents the cost of a hamburger-C represents the cost of a chili dog A. 4h+3c=-36B. ... more

12/19/20

The sum of a number and its reciprocal is 5/2 represent this situation in the form of quadratic equation

Please answer this question I'm very confused

Solve the following exponential equation. Express irrational solutions in exact form.

Solve the following exponential equation. Express irrational solutions in exact form.5^2x + 5^x - 12

12/18/20

Seven more than three times a number is 16.

Seven more than three times a number is 16.

12/18/20

how to change this: 3x-2y=12 into standard form?

12/18/20

Parallel and Perpendicular lines

Write an equation of the line that passes through the given point and is (a) parallel and (b) perpendicular to the given line. The given point - (1,-2)The line - Intersects (0,4) and (-2,0)Please... more

12/18/20

Assume that (theta) is a positive acute angle.

Given: cos (theta) = 35/37Find: sin 2 (theta)

12/18/20

If tan A = 28/45 and sin B = 24/25 and angles A and B are in Quadrant I, find the value of tan(A+B).

Help me, please! It's due at 1:30!!!

12/18/20

If tan A = 5/12 and sin B = 40/41 and angles A and B are in Quadrant I, find the value of tan(A+B).

Help me, please! It's due by 1:30!!!

12/18/20

If cos B =1/7 then what is the positive value of cos 1/2 B, in simplest radical form with a rational denominator?

Help me, please! It's due at 1:30!!!

12/18/20

Simplify to a single trig function with no denominator.

sec2(theta)/csc2(theta)

12/18/20

word problem need help

Elsie took all of her cans and bottles from home to the recycling plant. The number of cans was 8 more than 9 times the number of bottles. She earned 10 cents for each bottle and 11 cents for each... more

12/18/20

How do you do this question its on my homework and i dont know how to do it?

Left on together, the cold and hot water faucets of a certain bathtub take 4 minutes to fill the tub. If it takes the cold water faucet 14 minutes to fill the tub by itself, how long will it take... more

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