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629

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In a large equilateral triangle, we draw the incircle. We then draw a smaller equilateral triangle in the incircle.
What is the ratio of the area of the smaller equilateral triangle to that of the larger equilateral triangle?
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Guest Dec 4, 2019

737

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The rectangle in the diagram has an area equal to 640 \text{cm}^2cm2.
Points B and F are midpoints of sides AC and AE, respectively.
What is the area of triangle BDF in \text{cm}^2?cm2?
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Guest Dec 4, 2019

543

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The volume of a cube is nuemrically equal to the surface area of a cube. What is the side length of the cube?

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Guest Dec 4, 2019

801

+19

confused

What is the volume of the spherical scoop of ice cream? The height is 6 cm and the radius is 3cm. can someone help me.

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tdsantiago1 Dec 4, 2019

380

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Find the sum of odd integers from 16 to 659 inclusive.

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Guest Dec 4, 2019

619

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Find (1^2 + 1*2 + 2^2) + (2^2 + 2*3 + 3^2) + ... + (99^2 + 99*100 + 100^2).

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Guest Dec 4, 2019

581

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If 1/(1*2) + 1/(2*3) + 1/(3*4) + ... + 1/(n*(n + 1)) = 99/100, what is n?

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Guest Dec 4, 2019

397

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What is the sum of all integers which are multiples of 7 and are between 100 and 1000?

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Guest Dec 4, 2019

391

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The product of 50 consecutive integers is 0 and the sum of these numbers is positive. What is the smallest sum value?

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Guest Dec 4, 2019

373

please help

Fnd the sum of all the numbers between 0 and 20000 which is divisible by 9999.

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Guest Dec 4, 2019

746

please help me

Compute the sum \[ (a +(2n+1)d)^2- (a + (2n)d)^2 +(a + (2n-1)d)^2 - (a+(2n-2)d)^2 + \cdots + (a+d)^2 - a^2.\]

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Guest Dec 4, 2019

Dec 3, 2019

391

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Find the remainder when 2016! - 2015! is divided by 2017.

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Guest Dec 3, 2019

535

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The number of students in a school is between 500 and 600. If we group them into groups of 12, 20, or 36 each, 7 students are always left over. How many students are in this school?

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Guest Dec 3, 2019

339

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Solve log(x)/log(2) + log(x + 1)/log(3) = 2.

Guest Dec 3, 2019

544

Which transformations have been performed on the graph of f(x)=x√3 to obtain the graph of g(x)=−12x−9−−−−√3 ?

Helppppp please ASAP Only correct answers please I can only take this once

Guest Dec 3, 2019

1091

Which graph represents the function g(x)=x−1−−−−√+1 ?

I need help ASAP please answer correctly I can only take this once

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Guest Dec 3, 2019

452

what is 1/3 divded by 5

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Guest Dec 3, 2019

949

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you are deciding between two cars with different engines and want the bigger of the two. one engine displaces 350 cubic inches. the other displaces 5500 cubic centimeters. by how many cubic centimeters is the bigger engine larger than the smaller one. read more ..

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Guest Dec 3, 2019

386

Me and class is struggling

10(3a-6)+14a

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Guest Dec 3, 2019

734

help

If -2 < x < 2 and -5 < y < 5, what are all possible values of y - x?

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Guest Dec 3, 2019

383

help

The above shows how a mobile will be balanced when left to hang. Assume that the fulcrum is at the center of each rod.
What are the relative weights of these shapes?

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Guest Dec 3, 2019

882

+1253

Hit 1000 Score!

I hit 1000 score, yay

Thanks everyone on this site for helping me, especially the mods, since I joined around a year ago or so.
People have been really supportive and kind (for read more ..

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CoolStuffYT Dec 3, 2019

1426

+1993

A 1.0 kg weight suspended from a spring is pulled to 0.25 m below its equilibrium point.

A 1.0 kg weight suspended from a spring is pulled to 0.25 m below its equilibrium point.
If the spring has a spring constant (k) of 50.0 N/m , at what rate will the mass accelerate when it is released?
200 m/s2
12.5 m/s2 read more ..

ElectricPavlov ●●●●●

jjennylove Dec 3, 2019

771

i had a bunch of easy problems and now i have this and i am stumped :(

If find .

hectictar ●●

Guest Dec 3, 2019

1035

+1993

What is the frequency of motion of a 0.50 m long pendulum?

What is the frequency of motion of a 0.50 m long pendulum?
0.32 Hz
0.70 Hz
1.4 Hz read more ..

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jjennylove Dec 3, 2019

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Which transformations have been performed on the graph of f(x)=x√3 to obtain the graph of g(x)=−12x−9−−−−√3 ?

Which graph represents the function g(x)=x−1−−−−√+1 ?

what is 1/3 divded by 5

help

Me and class is struggling

help

help

Hit 1000 Score!

A 1.0 kg weight suspended from a spring is pulled to 0.25 m below its equilibrium point.

i had a bunch of easy problems and now i have this and i am stumped :(

What is the frequency of motion of a 0.50 m long pendulum?

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