All Questions ⁺⁰237785 Questions

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424

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Geometry

In right triangle ABC with the right angle at vertex C, altitude CE¯¯¯¯¯ is drawn from vertex C to AB¯¯¯¯¯. Which similarity statement correctly relates the three triangles in the diagram? read more ..

Guest Jan 14, 2022

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247

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Counting

How many non-congruent triangles have vertices at three of the points in the figure?

Guest Jan 14, 2022

+1

641

5

Brandon is an amateur marksman. When he takes aim at a particular target on the shooting range, there is a 0.10.10, point, 1 probability tha

Brandon is an amateur marksman. When he takes aim at a particular target on the shooting range, there is a 0.10.10, point, 1 probability that he will hit it. One day, Brandon decides to attempt to hit 101010 such targets in a row. read more ..

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Guest Jan 14, 2022

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259

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Stats

The median of 20, x, 15, 30, is 0.4 less than the mean. If x is a whole number, what is the sum of all possible values of x?

Guest Jan 14, 2022

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393

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trig problem

In right triangle DEF, we have $\angle D = 25^\circ$, $\angle E = 90^\circ$, and . Find DE to the nearest tenth. You may use a calculator for this problem.

Guest Jan 14, 2022

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693

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Calculate the average speed (in Km/hr) of Charlie who runs to the store 4 Km away in 30 minutes? 3.

Calculate the average speed (in Km/hr) of Charlie who runs to the store 4 Km away in 30 minutes? 3.

Guest Jan 14, 2022

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384

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+111

bruh im confused can someone pls Explain and help

Larry bought an equal number of oranges and mangoes. The oranges were sold at 3 for $2. The mangoes were sold at 4 for $3. He paid $5 more for the mangoes than for the oranges. How much money did he pay in all?

Ticon6 Jan 14, 2022

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268

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Functions

Given that f(x) = x^{2}-2x+5 and g(x) =x-18, what is the value of f(g(5)) -g(f(5))?

Guest Jan 14, 2022

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250

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Geometry

Let ABCD be a square. Three parallel lines x,y, and z pass through A, B and C respectively. The distance between x and y is 4 and the distance between y and z is 5. Find the area of the square.

Guest Jan 14, 2022

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428

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+111

Math

Kyle and Steve together earned $24. Kyle's share was 7 times as big as Steve's share. If Kyle spends $11 at the store, how much money will Kyle have left?

Ticon6 Jan 14, 2022

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434

2

Thing Math

The rectangle below has a total perimeter of 125 cm:
Write an equation and solve it to find the length of the longer side of the rectangle. (1 point)
Group of answer choices
2x + 10 = 125; x = 57.5 cm read more ..

Guest Jan 14, 2022

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447

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+83

In order to solve the equation −2x−10=23(x+1),−2x−10=23(x+1), a student graphs two linear functions, f(x)=−2x−10f(x)=−2x−10 and g(x)=23

In order to solve the equation −2x−10=23(x+1),−2x−10=23(x+1), a student graphs two linear functions, f(x)=−2x−10f(x)=−2x−10 and g(x)=23(x+1),g(x)=23(x+1), as shown.

smasai1 Jan 14, 2022

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399

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+83

plz help

smasai1 Jan 14, 2022

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399

3

Number Theory

What is the smallest prime divisor of 3^{11} + 5^7 + 1?

Guest Jan 14, 2022

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371

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Algebra

Let r and s be the roots of 3x^2+4x+12 = x^2 - 5x + 7. Find r^2+s^2.

Guest Jan 14, 2022

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343

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Number Theory

What is the largest positive integer n for which n^3+100 is divisible by n+1?

Guest Jan 14, 2022

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245

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Counting problem

Find the number of subsets of {1, 2, 3, ..., 10}, where the sum of the smallest element and the largest element is equal to .

Guest Jan 14, 2022

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380

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Coordinates

For what value of k does the equation x^2+10x+y^2+16y-k=0 represent a circle of radius 6?

Guest Jan 14, 2022

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379

1

plz help

Given positive integers x and y such that x≠y and 1/x + 1/y = 1/18 + 1/2, what is the smallest possible value for x+y?

Guest Jan 14, 2022

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324

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help with coordinates

In the diagram, the four points have coordinates A(0,1), B(1,4), C(5,3), and D(4,0). What is the area of quadrilateral ABCD?

read more ..

Guest Jan 14, 2022

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323

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Math Homework

Guest Jan 14, 2022

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419

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+237

Math

George has 8 balloons. Tim has 33% more balloons than him. Their friend Frank has 1/5 as many balloons as Tim. How many balloons does Frank have?

Slimesewer Jan 14, 2022

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307

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Counting

Marvin the fly starts at $(0,0).$ Each step, Marvin moves one unit right or one unit up. He is trying to get to the point $(5,7)$. However, at there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach $(5,7)$? read more ..

Guest Jan 14, 2022

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