• Algebra question?

Solve the system. Show all work so I know how to do this. x + 5y + 5z = -10 x + y + z = 2 x + 2y + 3z = -3
3 mins ago
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• I can not seem to get the answer for this problem and I have tried ti get it but I come out with a wrong number it's to high 51/2*21/3=?

7 mins ago
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In an A.P the sum of the squares of the five consecutive terms equals 20 times the square of the middle term and product of the first five terms equals 80. Find the middle term.
13 mins ago
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• Will Trump say that he has an IQ of 200,000 in one of his future rallies?

22 mins ago
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• Consider a triangle ABC for which ∠𝐴=114∘,𝑎=35,𝑏=15. If there is a unique triangle ABC, then enter its dimensions. ∠𝐵= ∠𝐶= 𝑐=?

60 mins ago
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• Factorise the following as far as possible: x^3 - x^2 -x - 2?

how is this worked out? is it with algebraic division? someone please give an explanation with workings, 10pts for ba
1 hour ago
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• Average age of docs in a hospital is 42yrs. the distribution of ages is normal and has a std of 10yrs. If 16 docs?

1 hour ago
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• How does mathematics contribute to everyday living (logic, reasoning, finance, statistical analysis, and probability)?

Explain with a paragraph choosing one of four topics elaborating on how knowledge of basic mathematics skills can contribute to the effective use of this topic in relation to everyday living. The four topics include logic and reasoning, finance, statistical analysis, and probability.
1 hour ago
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• Someone help!! Angles x and y are located in the first quadrant such that sin x= 4/5 and cos y =7/25. determine the exact value for sin(x+y)?

2 hours ago
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• What is 3(x-4)=10?

2 hours ago
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• Who is older? The one who was born in 1963 or the one who was born in 1957?

2 hours ago
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• Related rate calc 1 help?

2 hours ago
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• Can some explain how 2x + 3 is a factor of 2x^3+5x^2-x-6?

2 hours ago
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• Write the first fifteen counting numerals for each of the bases below.?

a. two ​(Only digits​ 0, 1 are used in base two​.) b. eight ​(Only digits​ 0, 1 comma 2 comma 3 comma 4 comma 5 comma 6 comma 7 are used in base eight​.)
2 hours ago
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• Determine, to the nearest tenth of an acre, the number of acres in a triangular parcel of land whose sides are 1507, 1750, and 970 feet.?

3 hours ago
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• Prove sin2x+sin2y=2sin(x+y)cos(x-y)?

3 hours ago
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• For the following​ situation, find the mean and standard deviation of the population.?

List all samples​ (with replacement) of the given size from that population and find the mean of each. Find the mean and standard deviation of the sampling distribution and compare them with the mean and standard deviation of the population. The word counts of five essays are 506​, 631​, 553​, 611​, and 576. Use a sample size of 2.
3 hours ago
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• Math probability?

A circular spinner is divided into sectors numbered 1,2,3,4 so that the areas are proportional to the numbers. (the area of sector 2 is twice as big as he areas of sector 1) if the needle is spun twice, what is the probability that the sum of the two sector numbers are even?
3 hours ago
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