All Questions

464

h e l p

Find the number of pairs of integers (x,y) with 0 < x, y < 10 that satisfy

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Guest Jun 16, 2020

658

how calculate the loan of 410000 of 4%rate for 6years

how calculate the compound rate of 4% for 6 years

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Guest Jun 16, 2020

640

1) 0,2525.4[152-0.5103+sqrt((152-0.5103)^2-8*8.45^2)]=

1) 0,25*25.4*[152-0.5*103+sqrt((152-0.5*103)^2-8*8.45^2)]=
2) 0,25*25.4*[136-0.5*70+sqrt((136-0.5*70)^2-8*2.54^2)]=

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Guest Jun 16, 2020

532

HELP ME PLS

Find all values of the real number a so that the four complex roots of
form the vertices of a parallelogram in the complex plane. Enter all the values, separated by commas.

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Guest Jun 16, 2020

619

hard geometry

We are given a triangle with a perimeter of 272 and the product of its sides equal to 314. What is the product of the inradius and circumradius?

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Guest Jun 16, 2020

591

help please

In the figure above, a square ABCD of area 225, E is the intersection of BD and the semicircle of diameter AD, and CF is tangent to the semicircle. Then, what is the area of DEF?
read more ..

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Guest Jun 16, 2020

600

Help Plzzz

Find the minimum value of x + 1/x^2 over all positive real numbers x.

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Guest Jun 16, 2020

654

math

help

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Guest Jun 16, 2020

671

+94

Find the Relationship

I don't understand how to find the relationship...
Please help :) read more ..

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MathsLlama Jun 16, 2020

634

help

TP is a line that tangent to a circle centered at O. If PQ∥TO and ∠OTP=25∘, find the measure of ∠POQ in degrees.

read more ..

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Guest Jun 16, 2020

502

stats elementary probability theory

1. (a) The discrete random variables X and Y represent the number of errors made in obtaining the X and Y coordinates respectively, of a survey point. The joint distribution function of X and Y is given by: F(x,y)={(k(2x+y⁄3), x=0,1,2 and y=1,2,3 read more ..

Guest Jun 16, 2020

586

Math

How can some food labels claim that they are a source of 150% of some vitamin or mineral? Is that possible? Explain. Can you express this percentage as a ratio?

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Guest Jun 16, 2020

570

help

If a,b>1 are integers satisfying 11(a-1) = 13(b-1), find the minimum value of a+b.

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Guest Jun 16, 2020

-4

713

+12

Help this is very hard.

I can't be able to figure it this out.

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DeluxeVegan Jun 16, 2020

570

help

10 years ago, the ratio of daughter and mother was 1:7. After 10 years, the ratio of the ages would be 1:2. Find the present age of daughter.

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Guest Jun 16, 2020

641

+256

Algebra Help

How can i turn a factor like this x(x+1) + x(1-x) into the same things in order to factor? If that wasnt clear, how can I turn a polynomial with - into a polynomial with + so I can do the last step and factor

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BWStar Jun 16, 2020

608

help

What is 10% of 20% of 30% of 40% of 25000?

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Guest Jun 16, 2020

573

help!

In the sequence 1,4,4,9,9,9,16,16,16,16, ... Find the sum of first 99 terms.

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Guest Jun 16, 2020

2703

+212

Help pls

In Linguistics 101, the ratio of the number of girls to the number of boys is $3:2$. When seven more girls join the class, and two boys drop the class, the ratio of the number of girls to the number of boys becomes $5:2$. How many students are in the class read more ..

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Filliqq Jun 16, 2020

467

help

Call a number lucky if the sum of its digts is equal to 7. Find the 2014th lucky number.

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Guest Jun 16, 2020

Jun 15, 2020

769

so confused

Let . What is

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Guest Jun 15, 2020

596

help

Corners are cut off from an equilateral triangle T to produce a regular hexagon H. What is the ratio of the area of H to the area of T?

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Guest Jun 15, 2020

582

help

What is ? (Here, i is the complex number.)

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Guest Jun 15, 2020

All Questions ⁺⁰237665 Questions

h e l p

how calculate the loan of 410000 of 4%rate for 6years

1) 0,2525.4[152-0.5103+sqrt((152-0.5103)^2-8*8.45^2)]=

HELP ME PLS

hard geometry

help please

Help Plzzz

math

Find the Relationship

help

stats elementary probability theory

Math

help

Help this is very hard.

help

Algebra Help

help

help!

Help pls

help

so confused

help

help

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