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215359 Questions
0
100
1
Counting
There are 97 students in South High School. South High School offers only Chinese and Spanish. There are 5 more students in Chinese than in Spanish, and every student takes at least one language. If students take only Spanish, then
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Guest
Jan 25, 2022
0
101
1
Counting
At my office, 16 people own cats, people own dogs, and people own both cats and dogs. How many people own a cat or a dog?
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Guest
Jan 25, 2022
0
55
0
Algebra question
For how many integer values of a does the equation x^2 + ax + 8a + 18 = 0 have integer solutions for x?
Guest
Jan 25, 2022
0
90
1
Geometry
The interior angles of a quadrilateral form an arithmetic sequence. If the measure of the largest angle is degrees, what is the measure of the second largest angle, in degrees?
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Guest
Jan 25, 2022
0
97
1
Quadratic
What is the maximum value of 4(x + 7)(2 - x) + 2x^2 + 8x - 3, over all real numbers x?
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Guest
Jan 25, 2022
0
104
1
Coordinates
The equation of the line passing through (1,11) and can be expressed in the form
x/a + y/b = 1.
Find a.
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Guest
Jan 25, 2022
0
83
1
Number Theory
How many natural-number factors does N have if N=2^4*3^8*5^2*7^2?
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Guest
Jan 25, 2022
+1
160
1
+5
amount
Five sevenths of what amount is equal to 20?
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Uknoi
Jan 25, 2022
+1
119
2
+82
Trigonometry question
Given cos(k)= negative square root of 3, which is then divided by 2, and 450 degrees < k < 630 degrees, the smallest possible value for k must be ____ degrees.
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JuliaJ5
Jan 25, 2022
+1
144
2
+82
The reciprocal function has a vertical asymptote at x = -5.
The reciprocal function has a vertical asymptote at x = -5.
Which of the following ordered pairs must be part of the original function f(x) ?
a) (-5,0)
read more ..
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JuliaJ5
Jan 25, 2022
0
122
1
+516
circle arc length help
If the degree measure of an arc of a circle is increased by % and the radius of the circle is increased by %, by what percent does the length of the arc increase?
I started by giving the radius a length, but then I got lost
read more ..
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proyaop
Jan 25, 2022
0
107
1
+516
Triangle inequalities help
We can find an acute triangle with the three altitude lengths , , and , if and only if belongs to interval . Find .
Any help is appreciated thanks
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proyaop
Jan 25, 2022
0
113
1
Algebra
The expression 6y^2 - y - 15 can be rewritten as A(y - B)(y - C). Find A + B + C.
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Guest
Jan 25, 2022
0
122
1
Geometry
Triangle ABC has the height AD and angle A = 90º. If CD = 4, and BD = , find this ratio [ACD]/[ABD].
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Guest
Jan 25, 2022
0
95
1
need help
Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 12 meters tall and meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint to
read more ..
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Guest
Jan 25, 2022
0
84
1
Compounding Interest
Today, Kaylee has $769.59 in her savings account. For the last 3 years, her account has paid 8%/a compounded quarterly. Before that, her account paid 7.3%/a compounded quarterly for 2 years. If she only made one deposit 5 years ago, determine the original
read more ..
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Guest
Jan 25, 2022
0
70
0
Range
Given that f(x) = pi^x + x^pi + 2^x + x^2, what is the range of f(x) on the interval [0, ∞)?
Give your answer in interval notation.
Guest
Jan 25, 2022
+1
142
1
+1494
Math 143
Suppose corn chips cost 32.532.5 cents per ounce. If a bag costs $4.23$4.23, how many ounces are in the bag of chips? Round your answer to the nearest hundredth, if necessary.
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ManuelBautista2019
Jan 25, 2022
0
63
0
Polynomials
The product of 7d^2 - 3d + g and 3d^2 + hd - 8 is 12d^4 + 43d^3 - 46d^2 + 72d - 64. What is g + h?
Guest
Jan 25, 2022
-5
167
3
+7
Find the entire solution set for the following equation (Show all work!): 5 cosθ + 5 = 8
Find the entire solution set for the following equation (Show all work!): 5 cosθ + 5 = 8
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GAMEMASTERX40
Jan 25, 2022
0
59
0
Polynomial
Consider the polynomial f(x) = 1 - 12x + 3x^2 - 4x^3 + 5x^4 and g(x) = 3 - 2x - 6x^3 + 19x^4. Find c such that the polynomial f(x) + cg(x) has degree 3.
Guest
Jan 25, 2022
0
110
1
problem with quadratic
What number must be added to both sides of the equation in order to complete the square? Please someone help..
x^2+3x=-3
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Guest
Jan 25, 2022
0
94
1
geometry
2 side lengths of a triangle are 11 and 17. What is the longest possible integer length of the third side of the triangle?
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Guest
Jan 25, 2022
0
157
2
what is the difference if a negative number raised to a power is in parentheses
why does (-5)4= 625 while -54=-625
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Guest
Jan 25, 2022
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