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07/10/21

Using this equation, determine how much more the actual 2005 gas price was than the predicted gas price if the actual mid-September gas price for the year 2005 was $2.956.

The mid-September statewide average gas prices, in dollars per gallon (y), for the year since 2000 (x), are given in the table below.Year Since 2000 (x): | Price Per Gallon (y)1 ... more

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Mathematics Math Algebra 2 Probability

07/10/21

Using x = 1 to represent the year 1986 and y to represent the number of new stores, write the exponential equation for these data. Round all values to the nearest thousandth.

The accompanying table shows the number of new stores in a coffee shop chain that opened during the years 1986 through 1994. Year Number of... more

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Mathematics Math Algebra 2 Statistics

07/10/21

Beth’s scores on the six Earth science tests she took this semester are: 100, 95, 55, 85, 75, 100 For this population, how many scores are within one standard deviation of the mean?

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Mathematics Math Algebra 2 Probability

07/10/21

You take true/false test that has 60 questions.If you guess on each question, and have the same chance of guessing correct on each question, what is probability to get atleast 65% of questions correct

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Mathematics Math Algebra 2 Probability

07/10/21

Determine the probability of landing on tails at most 33 times if you flip a fair coin 80 times. Round your answer to the nearest tenth.

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Mathematics Math Calculus Sequence

07/10/21

Series and sequences

Suppose that (b_n) is a sequence of real numbers such that:(b_n) = (17, -21, 4, -2, 1...) and lim of b_n as n approaches ∞ equals 4Find s = ∞ ∑ n=1 (b_(n+1) − b_(n))If the series does not converge,... more

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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

Any help for this question please?

The following table shows the hours of sunshine, x, during nine days in August and the number of ice creams, y, sold by a beach shop in... more

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Mathematics Calculus

07/01/21

For what value of the constant a will the system of linear equations

6x -5y = 33x + ay =1

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Mathematics Math

07/01/21

A builder takes ¾ of an hour to lay 50 tiles. a. How many tiles can he lay in 4 ½ hours? b. If he works 6 ¾ hours a day, five times a week, how many tiles can he lay that week?

Can anyone help? please

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Mathematics Math Elementary Math

06/30/21

If 7 times a number decreased by 12 is 18 more than five times that number, find the number

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Mathematics Math Calculus Precalculus

06/30/21

The step by step process of the given.

Answer must be in EXACT form only. Determine the area common to r= 3+3 sin θ and r=3.

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Using this equation, determine how much more the actual 2005 gas price was than the predicted gas price if the actual mid-September gas price for the year 2005 was $2.956.

Using x = 1 to represent the year 1986 and y to represent the number of new stores, write the exponential equation for these data. Round all values to the nearest thousandth.

Beth’s scores on the six Earth science tests she took this semester are: 100, 95, 55, 85, 75, 100 For this population, how many scores are within one standard deviation of the mean?

You take true/false test that has 60 questions.If you guess on each question, and have the same chance of guessing correct on each question, what is probability to get atleast 65% of questions correct

Determine the probability of landing on tails at most 33 times if you flip a fair coin 80 times. Round your answer to the nearest tenth.

Series and sequences

Problem Solving

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

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

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

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

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

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

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

(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.

(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

Math proportions

Please help me solve this question.

Please help me solve this question.

Help me solve this question please.

Any help for this question please?

For what value of the constant a will the system of linear equations

A builder takes ¾ of an hour to lay 50 tiles. a. How many tiles can he lay in 4 ½ hours? b. If he works 6 ¾ hours a day, five times a week, how many tiles can he lay that week?

If 7 times a number decreased by 12 is 18 more than five times that number, find the number

The step by step process of the given.

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