All Questions ⁺⁰237671 Questions

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328

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Please answer this

The roots of the quadratic equation $z^2 + bz + c = 0$ are $-7 + 2i$ and $-7 - 2i$. What is $b+c$?

Guest May 23, 2021

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532

1

Arc length

The radius of a circle is 5 kilometers. What is the length of a 135° arc? Give the exact answer in simplest form.

Guest May 23, 2021

-1

451

1

+68

Plzzzz HELP!!!

Real numbers x and y satisfy

x+xy^2=250y
x-xy^2=-240y read more ..

piano123 May 23, 2021

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416

1

coordinates

Trapezoid ABCD has vertices A(-1,0), B(0,4), C(m,6) and D(k,0), with m>0 and k>0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid ABCD is 38 square units. What is the value of k?

Guest May 23, 2021

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358

1

coordinates

Parallelogram ABCD has A(0,1), B(-2,-1), and C(4,0) as three of its vertices. What is the sum of the coordinates of point D?

Guest May 23, 2021

0

659

1

+12

plz help its urgent and i don't know how to do it

X,Y and Z are three points on a unit sphere (i.e. a sphere with radius 1). The space distance between any pair of the three points is √ 2 (i.e. XY = YZ = ZX = √ 2). An ant can only crawl on the surface of the sphere. The ant starts from point X, passes read more ..

Shibu May 23, 2021

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371

3

geometry

A rectangular piece of paper ABCD is folded so that edge CD lies along edge AD making a crease DP. It is unfolded, and then folded again so that edge AB lies along edge AD making a second crease AQ. The two creases meet at R, forming triangles PQR read more ..

Guest May 23, 2021

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462

1

Inequality

Let a, b, and c be positive real numbers. Prove that
a^2 + b^2 + c^2 >= ab + ac + bc.

Under what conditions does equality occur? read more ..

Guest May 23, 2021

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539

3

+1124

flow chart

Hi friends, please help me with finding the rUle for these inputs aand outputs:

Inputs are 1; 3; 5 ;7 (X values)
Outputs are 5; 10; 15; 20 (Y values) read more ..

juriemagic May 23, 2021

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334

1

help

the dimensions of container B are twice as long as those of container A. When the water in container A is poured into the empty container B, what will the depth of water in tank B be?

Guest May 23, 2021

0

467

1

+4

Please Help with mah question

Georgie has a large rectangular garden area with
dimensions l metres by w metres which she wishes to
divide into three sections so she can grow different
vegetables. She plans to put a watering system along
the perimeter of each section. This read more ..

SumDudWhoIsBadAtMath May 23, 2021

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358

1

coordinates

The smallest distance between the origin and a point on the graph of y = (x^2 - 1)/3 can be expressed as sqrt(a)/b, where a and b are positive integers such that a is not divisible by the square of any integer greater than one. Find a + b.

Guest May 23, 2021

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393

1

help coordinates

What is the number of square units in the area of trapezoid ABCD with vertices A(0,0), B(0,-2), C(4,0), and D(4,7)?

Guest May 23, 2021

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459

1

Is it possible to simplify this?

Is it possible to simplify 5+sqrt(19)+sqrt(147/8)

Guest May 23, 2021

+1

535

4

Please help with this!

ABC and CDE are equilateral triangles with side lengths 3 and 5, respectively. Find the perimeter of ADE.
read more ..

Guest May 23, 2021

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384

2

MATH QUESTION PLEASE HELP

how many times does 125 go into 2150

Guest May 23, 2021

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524

1

Suppose 173 * 927 nmod50 where 0<= n< 50. What is the value of n

Guest May 23, 2021

0

428

1

+56

Trigonometric Functions

Just need some assistance on this question. I've seen similar questions in the past, but this one doesn't make much sense to me. Thanks!

Link to picture: https://drive.google.com/file/d/1BH_pOjVpy1fHMeeod2WV846-QI5RxH8p/view?usp=sharing read more ..

stressedmathkid123 May 23, 2021

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