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MATH SOLVE
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General
Use the difference of two squares identity to factor each of the following expressions. (a) x²-81 (b) (3x+y)² -(2y)² (c) 4-(x-1)² (d) (x+2)²-(y-2)²
General
4 months ago
A chef knows that ground beef used for hamburger is safe to eat once it reaches 160 degrees Fahrenheit. For optimized tasteand safety, he will not allow a hamburger cooked to a temperature under 160 degrees or over 170 degrees to be served. Whichgraph represents the conditions under which the chef will not allow the hamburger to be served?
General
4 months ago
-2(2x+1)=26I want the solution of that
General
4 months ago
Find all solutions to the equation (x² + 5x + 6)(x² − 3x − 4) = 0.
General
4 months ago
Find the zeros of the following polynomial functions, with their multiplicities. (a) f(x)= (x +1)(x − 1)(x² +1) (b) g(x) = (x − 4)^3(x − 2)^8 (c) h(x) = (2x − 3)^5 (d) k(x) =(3x +4)^100(x − 17)^4
General
4 months ago
Solve the equation for xx. For each step, describe the operation used to convert the equation.3x−[8−3(x−1)]=x+19
General
4 months ago
PLEASE HELP THANK U
General
4 months ago
Starting with the formula for the difference of cubes, which pair of steps can be used to show that the expressions areequivalent?
General
4 months ago
30 POINTSFencing encloses a rectangular backyard that measures 200 feet by 800 feet. A blueprint of the backyard is drawn on the coordinate plane so that the rectangle has vertices (0,0) (0,40) (10,40) and (10,0).A circular flower garden is dug to be exactly in the center of the backyard, with a radius of 60 feet. What is the equation of the flower garden represented on the blueprint? (x _ _)^2 + (y _ _)^2 = _
General
4 months ago
If F(x) = f(x)g(x), where f and g have derivatives of all orders (a) Show that F ′′ = f ′′g + 2f ′ g ′ + fg′′ . (b) Find similar formulas for F ′′′ and F (4) . (c) Describe the pattern for higher derivatives of F.
General
4 months ago
y=-8x – 37x+3y=4Substitution method
General
4 months ago
A town in east Texas received 20 inches of rain in two weeks. If it kept raining at this rate for a 31−day month, how much rain did the town receive? Round your answer to the nearest inch. The town received approximately inches of rain during a 31−day month
General
4 months ago
A manufacturer knows that their items have a normally distributed length, with a mean of 7.1 inches, and standard deviation of 1.7 inches.Round your answer to four decimals.If 24 items is chosen at random, what is the probability that their mean length is less than 6.2 inches?
General
4 months ago
A pump can fill a swimming pool in 8 hours. The pool also has a drain that can empty the pool in 10 hours. If someone turns on the pump to fill the pool, but forgets to shut the drain, how long would it take for the pool to fill?
General
4 months ago
Find the cotangent, cosine, and tangent of both angles A and B.If you could put it in this format: Cotangent - Cosine - Tangent - that would be epic :^D
General
4 months ago
In the graph, the area above f(x) is shaded and labeled A, the area below g(x) is shaded and labeled B, and the area where f(x) and g(x) have shading in common is labeled AB.(insert photo from below)The graph represents which system of inequalities? A: y > 2x − 3 y > −x − 3B: y < 2x − 2 y < −x + 3C: y ≤ 2x − 2 y > −x + 3 D: None of the above
General
4 months ago
A game spinner has eight equal sections: three sections numbered 1, one section numbered 2, and four sections numbered 3. The spinner is spun twice. What is the probability that the sum of the two spins will be five?
General
4 months ago
A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probabilitythat the lock code consists of all even digits?To find the total number of outcomes for this event, find the permutation ofings taken 4 at a time.The total number of outcomes isThe total number of favorable outcomes is a permutation of things taken 4 at a timeThe probability that the lock code consists of all even digits is out of 3,024.
General
4 months ago
Which mathematical terms originated from the Arabic mathematician, al-Khwarizmi? Check all that apply. algebra, decimal, fraction, perfect square, remainder, root
General
4 months ago
Can you guys help me find the cosine of both angle A and angle B?
General
4 months ago
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