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Mathematics

07/08/21

Problem Solving

Dear Wyzant,I am confused about the question it says that A 6-inch personal pizza has 630 calories, with 240 of those from fat. A 14-inch pizza is cut into 8 slices. Estimate the number of calories... more

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Mathematics Math Algebra 1 Algebra 2

07/08/21

(a) Evaluate cosec^-1(√2) (b) Evaluate tan^-1(sin(-π/2))

There are two problems.First one is Evaluate cosec^-1(√2)And second one is Evaluate tan^-1(sin(-π/2))Kindly solve this question.

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Mathematics Algebra 1 Sat Math Algebra

07/08/21

Find all the values of x, in between the range [0,2π] for the following equation. 2sin(3x)+3cos(3x)=0

The equation is, 2sin(3x)+3cos(3x)=0.

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Mathematics Math Algebra 1 Algebra

07/08/21

Find the value of sin(sin^-1(4/5)+tan^-1(5/12)) without using calculator.Use angle sum or different identities.

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Mathematics Algebra 1 Algebra

07/08/21

Prove the following triginmetric identity (√1-cosx/√1+cosx)= cosecx - cotx

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Mathematics Math Algebra 1 Algebra 2

07/07/21

(2B.16) If an = n(n+2), what is a9? 20 99 108 120

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Mathematics Math Algebra 1 Algebra 2

07/07/21

What are the first four terms of the sequence shown below? an = 5n ‒ 1 A. ‒1, 4, 9, 14 B. 4, 9, 14, 19 C. 5, 6, 7, 8 D. 6, 11, 16, 21

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Mathematics

07/07/21

A company's sales in Seattle were $410,000 in 2012, while their sales in Portland were $270,000 for the same year.

a. Seattle's sales were % larger than Portland's.b. Portland sales were % smaller than Seattle's.c. Portland sales were % of Seattle's.

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Mathematics Math Algebra 1 Algebra 2

07/07/21

(2B.14) If a1 = 5 and r = ‒3, write the first four terms of the geometric sequence. A. 5, 15, 45, 135 B. 5, ‒15, 45, ‒135 C. 5, ‒10, 15, ‒20 D.

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Mathematics Math Algebra 1 Algebra 2

07/07/21

(2B.2) Write the first four terms of an arithmetic sequence whose first term is ‒14 and whose common difference is 10. A. ‒14, ‒ 4, 6, 16 B. 10, 14, 18, 22 C.‒14, ‒24, ‒34, ‒44 D.‒14, ‒10, ‒6, ‒2

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Mathematics

07/05/21

Math proportions

A machine in a factory produces 540 units each hour. How many units does the machine produce per minute ?

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Mathematics Statistics

07/03/21

Please help me solve this question.

Packets of fish food have weights that are distributed with standard deviation 2.3 g. A random sample of 200 packets is taken. The mean weight of this sample is found to be 99.2 g. Calculate a 99%... more

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Mathematics Statistics

07/03/21

Please help me solve this question.

The result of a fitness trial is a random variable X which is normally distributed with mean µ and standard deviation 2.4 . A researcher uses the results from a random sample of 90 trials to... more

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Mathematics Statistics Maths

07/03/21

Help me solve this question please.

The heights of male students in a college are thought to be normally distributed with mean 170 cm and standard deviation 7.The heights of 5 male students from this college are measured and the... more

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Mathematics Statistics Regression

07/03/21