04/13/21

Math Problem x3
If 84 people attend a concert and tickets for adults cost $2 while tickets for children cost $1.5 and total receipts for the concert was $142.5, how many of each went to the concert?
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04/13/21

four times the sum of a number and 2 is 3 (Please help due in 20 mins.)
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04/13/21

Mathematics Problem
Kelsey invests $2400 in one account and $2000 in an account paying 1 % higher interest. At the end of one year she had earned $328 in interest. At what rates did she invest?
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04/13/21

changing this to y=mx+b form
2y = -6x + 8 
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04/13/21

Find a polynomial function f(x) of least degree having only real coefficients with zeros of 0, 2i, and 4+i

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04/13/21

I am at a 72% C in math I got a 12.5 out of 20 on a test will that bring me down a letter grade?
I am at a 72% C in math I got a 12.5 out of 20 on a test will that bring me down a letter grade?test are worth 90% of total gradeHW is worth 10% of total grade
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04/13/21

Isaac exits his house and walks 2.3 miles south. Then, he turns and walks 4.5 miles east. How far away is Isaac from his house? Round your answer to the nearest tenth and label your answer.

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04/13/21

The perimeter of a rectangular parking lot is 350m . If the length of the parking lot is 93m , what is its width?
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04/13/21

two mechanics worked on a car the first mechanic charged 105 per hour and the second mechanic charged 80 per hour the mechanics worked for a combined total of 15 hours

two mechanics worked on a car the first mechanic charged 105 per hour and the second mechanic charged 80 per hour the mechanics worked for a combined total of 15 hours and together they charged a... more
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04/13/21

If cookies cost $2.40 each, which equation can be used to determine how many cookies can be purchased with $40?
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04/13/21

How do I solve this equation below using the matrix method, 6x + 8y = 1 && -3x -4y = -0.5?
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04/13/21

Find f by solving the initial-value problem. (Remember to use absolute values where appropriate.)
f'(x)= x+7/x. ; f(1)=8
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04/13/21

Find f by solving the initial value problem

f '(x) = 6x2 + 6x − 2; f(2) = 7
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04/13/21

Explain why the markings on the figure indicate an impossible situation.
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04/13/21

find the reference angle for 164 degrees.
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04/13/21

If cot theta= -24/7 and cos theta < 0, name the quadrant in which theta lies, then find the exact value of csc theta

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04/13/21

If cos of theta = -6/7 and sin of theta < 0 . Find the exact values of each of the trigonometric functions of theta.
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04/13/21

A 30 foot ladder is leaning against an office building. If the base of the ladder is 17 feet from the base of the building, find the angle of elevation. Round your answer to the nearest tenth.
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04/13/21

(2, -11) is a point on the terminal side of theta in standard form. Find the exact values of the trigonometric functions of theta .

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04/13/21

Graphing Parabolas using the vertex

y = -1/4x^2Identify the vertex of each. Then sketch the graph.
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04/13/21

Pre Calc help please!!!!
 A janitor found a slice of pie left in a refrigerator he was cleaning. He measured the crust edge as 4 inches long, and the angle of the slice was 27°. Find the following and round to two decimal... more
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04/13/21

Express the function f(x) = −x 2 + 8x − 11 in standard form and use it to graph the function.
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04/13/21

Express the function f(x) = −x 2 + 8x − 11 in standard form and use it to graph the function.
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04/13/21

Express the function f(x) = 2x 2 − 20x + 57 in standard form by completing the square. Then state the vertex.
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04/13/21

Express the function f(x) = x 2 + 4x − 1 in standard form by completing the square. Then state the vertex
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