04/29/21

Algebraic system of equations

Two friends went to a restaurant and ordered one plain pizza and two sodas. Their bill totaled $20.52. Later that day, five friends went to the same restaurant. They ordered 3 plain pizzas and each... more

04/29/21

Math Integral grade 11

Please help answer question 3 with steps, much appreciated!3 . A curve is such that dx/dx = 6/x^2 - 5x and the point (3,5.5) lies on the curve. Find the equation of the curve.

Find the area of the indicated region Enclosed by y = x and y = x^4

Find the area of the indicated region Enclosed by y = x and y = x^4

Sec x - cos x = sin x tan x

Verify the identity by proving the left-hand side is the same as the right-hand side

Tan^4 x + 2tan^2 x+1

Factor the expression and use the fundamental identities to simplify the expression

Sec x =4 and sin x<0

Use the fundamental identities or sketch a triangle to evaluate the other 5 trigonometric functions.

04/29/21

Solve cos(x) = 0.23 in the interval 0 ≤ x ≤ 360°

04/29/21

Rational Number Operations Question

mr.smith bought 2 1/2 pounds of chicken that cost $4.00 per pound and 3 pounds of beef that cost 7.50$ per pound. how much money did Mr.Smith spend

04/29/21

(True / False)?

If two data sets have the same mean, then they also have to have the same median and the same mode.

04/29/21

Is this a mathematically valid way of determining the mean?

Find the average of 37, 55, and 73. She took 2 from the 37 and gave it to the 73, and 20 from the 73 to give it to the 37 so that all three numbers would now be 55. Is this a mathematically valid... more

04/29/21

I NEED MATH HELP ASAP

Consider the set S = {10, 11, 12, 13, 14, 15, …}. Show that this set has the same cardinality as the set of natural numbers. Be certain to include a description in general terms.

04/29/21

The exam scores for a particularly difficult math test had a mean score of 75% with a standard deviation of 8%. Approximately what percentage of the class scored between a 67% and an 83%.

The exam scores for a particularly difficult math test had a mean score of 75% with a standard deviation of 8%. Approximately what percentage of the class scored between a 67% and an 83%.

04/28/21

Translate the sentence into an inequality.

the sum of 5 and b is less than 19

The statement "I trust Barack Obama" is an example of:

A. ideology B. attitude C. core valuesD. practicality

Are both of theses sets of orderd pairs a function? {(4,2) (3,15) (2,18) (1,21)} {(-6,8) (-3,4) (3,0) (6,-4)}

I don't understand if they are functions or not because they both have no repeating x-factors.

04/28/21

Solve the following equation

3.4x - 6 = 2.5Explain how you got your answer

04/28/21

What is this verbal description translated?

A number is two more than another number.

Word Problem x3

The admission fee at an amusement park is $3.75 for children and $4.80 for adults. On a certain day, 316 people entered the park, and the admission fees collected totaled 1353 dollars. How many... more

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