All Questions ⁺⁰237680 Questions

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384

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hard geometry

Let P be the intersection of the lines 3x + 4y = 9 and y = kx + 1. If the x-coordinate of P is an integer, then find all possible values of k.

Guest May 5, 2020

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547

1

can anyone help?

Let ABCD be a square with total area 1600. F is the midpoint of AD and E is the midpoint of FD. BE and CF intersect at G. Find the area of triangle EFG.
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Guest May 5, 2020

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475

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please help

Given three circles which share the same tangent and touch each other as shown in the figure, If the radius of the larger Orange Circle is 9 units and that of the smaller Green circle is 4 units. What is the radius of the white circle which read more ..

Guest May 5, 2020

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594

1

+47

Help!!

Leslie said that a circle with equation (x - 2)2 + (y - 7)2 = 13 has a tangent line represented by "y - 5 = -3/2(x + 1)". Right or wrong?

ava27 May 5, 2020

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1924

5

help with sum

Find the value of 1 + 2 + 3 - 4 + 5 + 6 + 7 - 8 + ... + 197 + 198 + 199 - 200.

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Guest May 5, 2020

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524

1

Help?!

1. The distance between the points (x,21) and (4,7) is 10sqrt2 Find the sum of all possible values of x.

Guest May 5, 2020

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582

2

Help meh plzzzzz

A line has a slope of -(3/7) and its y-intercept is (0,18). What is its x-intercept?

Guest May 5, 2020

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492

1

Help is appreciated

a. Find Y if the point (-6,y) is on the line that passes through (-1,7) and (3,-2).

Guest May 5, 2020

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627

3

+47

HELP PLEASE

A circle’s equation is represented by (x - 4)2 + (y + 1)2 = 25. Find the equation of the two tangent lines that have slopes of -¾.

ava27 May 5, 2020

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411

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help

For integers x and y, what is the smallest possible positive value of 420x + 300y?

Guest May 5, 2020

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481

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probability

Joe has a drawer with 5 blue socks, 7 red socks, 3 white socks, and 4 green socks. If he draws two socks at random, what is the probability that they match?

Guest May 5, 2020

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491

0

Need answer please!!!!

The circumference of the inner circle is
6666
ft. The distance between the inner circle and the outer circle is
33 read more ..

Guest May 5, 2020

0

447

0

help please??

Holly selects a tile for her bathroom that is in the shape of a rhombus. Each side of the rhombus measures 12 inches. The diagonal opposite the smaller angle is 10.6 inches.
What is the measure of the larger angle in the rhombus?

Guest May 5, 2020

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447

0

HELP

In △CDE , CD=12 , DE=5 , and m∠E=83∘ . What is m∠D to the nearest tenth of a degree?

Guest May 5, 2020

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656

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The diagram shows a track composed of a rectangle with a semicircle on each end. The area of the rectangle is 14 comma 400 square meters. Wh

The diagram shows a track composed of a rectangle with a semicircle on each end. The area of the rectangle is
14 comma 40014,400
square meters. What is the perimeter of the track? Use 3.14 for
piπ. read more ..

Guest May 5, 2020

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1570

1

help please!!!!

A guy wire is a cable used to restrain objects from moving. They are used to support towers or poles.
A guy wire is attached to a cell tower. The 45-foot long guy wire is attached to a tower such that the angle formed by the ground and the wire read more ..

Guest May 5, 2020

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796

0

An aerial photographer who photographs real estate properties has determined that the best photo is taken at a height of approximately

An aerial photographer who photographs real estate properties has determined that the best photo is taken at a height of approximately
459ft and a distance of 826ft from the building. What is the angle of depression from the plane to the building? read more ..

Guest May 5, 2020

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607

1

Suppose that you are headed toward a plateau

Suppose that you are headed toward a plateau
60m high. If the angle of elevation to the top of the plateau is 25 degrees°,
how far are you from the base of the plateau?

Guest May 5, 2020

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534

0

At a certain time of day, the angle of elevation of the sun is

At a certain time of day, the angle of elevation of the sun is
50°.To the nearest foot, find the height of a tree whose shadow is 43 feet long.

Guest May 5, 2020

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567

1

Can someone help me with this???

Let x be a number that satisfies both equations 18x^ 2 + 25x - 3=0 and 4x^ 2 + 8x + 3=0. Find the value of x.

Guest May 5, 2020

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550

1

google doesn't work so this website might

Guest May 5, 2020

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398

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please help

Find the area of a star colored in red inscribed in a unit square according to the picture below. E is the midpoint of AB, and other edges follow the same pattern.

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Guest May 5, 2020

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