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Mathematics

07/16/21

There is a number.Three times the number minus 6 is equal to 45. find that number.

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Mathematics Trigonometry Linear Algebra Algebra

07/15/21

Show that,(cos4x-cos2x)/2sin3x=-sinx for all x such that sin(3x) is not equal to zero

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Mathematics Algebra 1 Linear Algebra Linear Equations

07/14/21

Find all x for this equation 2cosx-3=-5, 0<_x<_2π

The range is 0 is less than equal x and x is less than equal 2π.Solve this according to the rules of unit circle.

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Mathematics

07/14/21

A regular hexagon ABCDEF and a square ABGH are formed on opposite side of AB. Find the measure of angle GBC and angle BGC.

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Mathematics

07/14/21

A regular hexagon ABCDEF and a square ABGH are formed on opposite side of AB. Find the measure of GBC and BGC.

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Mathematics Math Algebra 1 Algebra 2

07/14/21

Let X(n) represent the measure of one exterior angle of a regular polygon of n sides. What is the domain of this function?

i am on a time limit, so if anyone can, pls answer in the next 20 minutes!

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Mathematics

07/13/21

Each baseball hat costs the same amount of money. The cost for 18 baseball hats was $216. What is the unit price?

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Mathematics

07/13/21

What’s the answer

A rectangular sandbox is surrounded on all sides by a strip of grass that is 5 feet wide on all sides. The length of the sandbox is 4 feet more than the width, and thetotal area for the sandbox and... more

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Mathematics Math Algebra 2 Algebra

07/12/21

Find x (image included)

https://i.imgur.com/Kq6BvIy.png(A) 42 6/7(B) 43 1/3(C) 36 2/3(D) 46 2/3(E) none of these

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Mathematics Math Algebra 2 Algebra

07/12/21

Complete the square:

y = x2 - 6x - 16(A) y = (x - 4)2(B) y = (x - 3)2 - 16(C) y = (x - 8) (x + 2)(D) y = (x - 3)2 - 25(E) none of these

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Mathematics Math Algebra 2 Algebra

07/12/21

Simplify the problem:

Please help me. Both square root symbols extend from the x to the 4 respectively.(5√x3y4) (4√x5y4)

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Mathematics Math Algebra 2 Algebra

07/12/21

Factor: 2x^2...

Factor: 2x2+11x+12 The two factors are in the general form: (d x + e)(x + f). What is d x + e?(A) 2x + 3(B) 2x + 6(C) 2x + 12(D) 2x + 4(E) none of these

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Mathematics Math Algebra 2 Algebra

07/12/21

Factor: 2x^2...

Factor: 2x2+11x+12 The two factors are in the general form: (d x + e)(x + f). What is d x + e?(A) 2x + 3(B) 2x + 6(C) 2x + 12(D) 2x + 4(E) none of these

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Mathematics Math Algebra 2 Chemistry

07/12/21

The carbon (C) in the compound...

The carbon (C) in the compound C3H3Cl5 weighed 66 g. How much did the hydrogen (H) weigh? (C, 12; H, 1; Cl, 35)(A) 3.4 g(B) 1.2 g(C) 66 g(D) 1.375 g(E) none of these

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Mathematics Math Algebra 2 Algebra

07/12/21

Expand the equation:

Expand: (a1/2+b1/2)2(A) a1/4+b1/4(B) a+(ab)1/2+b(C) a+b(D) a+2a1/2b1/2+b(E) none of these

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Mathematics Math Algebra 2 Algebra

07/12/21

Write 4.̅5̅4̅5̅ as a fraction of integers

(A) 4541/999(B) 909/200(C) 450/99(D) 4545/1000(E) none of these

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Mathematics

07/11/21

The figure shows a hexagon ABCDEF. Angle a = angle d = 100°, The other angles are of same size. Find the value of angle abc.

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Mathematics Math Algebra 2 Probability

07/10/21

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth.

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth. Unit 2 Mathematics... more

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Mathematics Math Algebra 2 Probability

07/10/21

Write a linear regression equation for this set of data, rounding values to the nearest ten-thousandth where necessary.

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 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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There is a number.Three times the number minus 6 is equal to 45. find that number.

Show that,(cos4x-cos2x)/2sin3x=-sinx for all x such that sin(3x) is not equal to zero

Find all x for this equation 2cosx-3=-5, 0<_x<_2π

A regular hexagon ABCDEF and a square ABGH are formed on opposite side of AB. Find the measure of angle GBC and angle BGC.

A regular hexagon ABCDEF and a square ABGH are formed on opposite side of AB. Find the measure of GBC and BGC.

Let X(n) represent the measure of one exterior angle of a regular polygon of n sides. What is the domain of this function?

Each baseball hat costs the same amount of money. The cost for 18 baseball hats was $216. What is the unit price?

What’s the answer

Find x (image included)

Complete the square:

Simplify the problem:

Factor: 2x^2...

Factor: 2x^2...

The carbon (C) in the compound...

Expand the equation:

Write 4.̅5̅4̅5̅ as a fraction of integers

The figure shows a hexagon ABCDEF. Angle a = angle d = 100°, The other angles are of same size. Find the value of angle abc.

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth.

Write a linear regression equation for this set of data, rounding values to the nearest ten-thousandth where necessary.

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

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