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Pre-Calculus
admin
30.03.2023 - 18:36
What does ‘greater than’ mean in math?
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Math
admin
30.03.2023 - 12:17
Find the absolute value of the following numbers: 1. |8| 2. |-9| 3. |-frac{2}{3}| 4. |5.6|
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Math
admin
30.03.2023 - 02:07
A 6-foot person standing 22 feet from a street light casts an 8-foot shadow. What is the height of the street light?
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Math
admin
29.03.2023 - 13:31
Consider the equation: 5x – 2y = 7 1. Write the equation in the form y = mx + b 2. What is the slope? 3. What is the y-intercept?
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Math
admin
28.03.2023 - 14:50
A plane flew due north at 467 mph for 7 hours. A second plane, starting at the same point and at the time, flew southeast at an angle of 147 degrees clockwise from due north at 404 mph for hours. At the end of the 7 hours, how far apart were the two plane
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Pre-Calculus
admin
27.03.2023 - 15:35
The table shows the average monthly cost C of basic cable television from 2000 through 2008, where t represents the year, with t = 0 corresponding to 2000. a) Use the regression feature of a graphing utility to find a linear model for the data. b) Use t
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Math
admin
27.03.2023 - 03:25
A triangle swimming pool measures 45 ft on one side and 32 ft on another side. The two sides form an angle that measures 41.5 degrees. How long is the third side (in feet)?
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Math
admin
26.03.2023 - 08:33
Solve the equation for exact solutions over the interval (0, 2pi). cos x = sin^2 (x/2).
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Math
admin
25.03.2023 - 15:04
Graph the inequality: x greater than or equal to 3.
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Math
admin
25.03.2023 - 13:13
Graph the solution of the set of linear inequalities. y \leq -2x-2\ ygeq x+8
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Pre-Calculus
admin
25.03.2023 - 11:30
How do you do slope intercept form word problems?
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Pre-Calculus
admin
25.03.2023 - 08:26
Biochemical oxygen demand (BOD) measures organic pollutants in water by measuring the amount of oxygen consumed by microorganisms that break down these compounds. BOD is hard to measure accurately. Total organic carbon (TOC) is easy to measure, so it is c
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Pre-Calculus
admin
25.03.2023 - 03:26
Use the given conditions to find an equation in slope-intercept form of the line. If the line is vertical write it in the form x = h. x-intercept = – 9 and y-intercept = 18 Write an equation for the line in slope-intercept form, if possible. If the line i
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Pre-Calculus
admin
25.03.2023 - 02:00
While on vacation in France, Sadie bought a box croissants. Each croissant cost 2.4 euros. Write a function that represent the cost in euros for x croissants. At the time of the purchase, the exchange rate was $1=0.80 euro. Write a function that represent
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Pre-Calculus
admin
23.03.2023 - 14:32
Solve for x in the triangle. Round your answer to the nearest tenth.
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Math
admin
23.03.2023 - 08:21
Rewrite the expression without using the absolute-value symbol. |1 – 2 x^2|
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Pre-Calculus
admin
23.03.2023 - 04:25
A client asks his stockbroker to invest 100,000 for maximum annual income, subject to the three conditions: *1. Spread the investment over no more than three different stocks. *2. Put no more than 40 percent of the money into any one stock. *3. Put a min
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Pre-Calculus
admin
22.03.2023 - 06:33
Write a linear equation to model the situation. You borrow $70 from your brother. To repay the loan, you pay him back $7 per week.
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Math
admin
21.03.2023 - 20:56
Find the value of s in the interval [0, pi / 2] that satisfies the given statement. cos s = 0.8603.
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Math
admin
21.03.2023 - 15:57
What is the domain of y = tan(x)?
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Math
admin
21.03.2023 - 13:53
A scanner antenna is on top of the center of a house. The angle of elevation from a point 28.0 m from the center of the house to the top of the antenna is 27 degrees 10′, and the angle of elevation to the bottom of the antenna is 18 degrees 10′. Find the
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Pre-Calculus
admin
21.03.2023 - 07:58
Find exact values of the six trigonometric functions for the angle -\frac{3pi}{4} by hand. Do not use a calculator. (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
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Math
admin
21.03.2023 - 06:10
What is the slope of the line determined by the coordinates (2, 3) and (-6, -4)?
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Math
admin
21.03.2023 - 05:14
How do you simplify the square root of 6 times square root of 60?
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Math
admin
20.03.2023 - 22:17
Explain how to calculate radicals with roots.
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Pre-Calculus
admin
20.03.2023 - 15:36
Draw the graph of y = 2x – 5.
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Math
admin
20.03.2023 - 06:53
What is 2x – 6y = 6 in slope intercept form?
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Math
admin
19.03.2023 - 11:41
What are the domain and range of f(x) = e^x? What does its graph look like?
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Math
admin
19.03.2023 - 08:08
Find the equations of the lines that pass through the point (0, 4) and are (a) parallel to and (b) perpendicular to the line 5x + 2y = 3.
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Pre-Calculus
admin
18.03.2023 - 23:42
Determine the equation of a line passing through the points (-1, 1) and (1, 7). Write the line in standard form Ax + By = C.
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Pre-Calculus
admin
18.03.2023 - 22:13
How do you evaluate tan^(-1)(4/3) on the scientific calculator?
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Pre-Calculus
admin
18.03.2023 - 01:07
What is sec^2 on the calculator?
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Pre-Calculus
admin
17.03.2023 - 21:06
How do you graph y = 23x – 3?
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Math
admin
17.03.2023 - 17:05
A user is charged $300 monthly for a particular mobile plan, which includes 100 free text messages. Messages in excess of 100 are charged $1 each. Represent the amount a consumer pays each month as a
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Math
admin
17.03.2023 - 05:20
A smart phone is on sale for 25% off its list price. The sale price is $149.25. What expression can be used to represent the list price of the phone?
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Pre-Calculus
admin
16.03.2023 - 22:36
1. Prove the identities. a. t a n ? s i n ? = ? + c o s ? = s e c ? b. 2 t a n x 1 + t a n 2 x = s i n 2 x 2. Sketch the graph of the function y = 1 + s i n 2 x without using a calculator.
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Math
admin
16.03.2023 - 18:39
What is the equation of the line below? (Graph)
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Pre-Calculus
admin
16.03.2023 - 01:28
Simplify the given expression by giving the results in terms of one-half the given angle. Then use a calculator to verify the result.\sqrt{\frac{1 + cos 126^circ}{2}} a) -0.5878\b) 0.891\c) 0.809\d) 0.454
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Math
admin
15.03.2023 - 23:11
Daniel can spend no more than $40 at the fair. If admission into the fair is $10 and the rides cost $1.50 each, write an inequality that represents the greatest number of rides Daniel can go on.
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Pre-Calculus
admin
15.03.2023 - 08:57
How to graph 2x + 5y = 10.
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