All Questions

506

+195

Help

The areas of three of four triangular regions are given in the diagram. What is the area of the remaining region?

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QuestionMachine Feb 19, 2021

607

Help with Module Inverses

What is (mod 25)? Express your answer as an integer from 0-24 inclusive.

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Guest Feb 19, 2021

465

quadratic

Jared’s stock portfolio grows according to the formula a=2x^2-31x+25, where a is the amount in the portfolio, in thousands, and x is the amount of time the money has been in the portfolio, in months. When will Jared’s portfolio be at a value of 10,000 dollars? read more ..

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Guest Feb 19, 2021

448

geometry

Find angle x.

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Guest Feb 19, 2021

465

Geometry (Pythagorean Theorean)

What do i do when the two smaller sides in a triangle are the same as the bigger size in the triangle

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Guest Feb 19, 2021

437

algebra

How many gallons of 20% alcohol solution should be added to 40 gallons of a 50% alcohol solution to make a 30% solution?

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Guest Feb 19, 2021

-1

516

+1662

rectangle

In a certain rectangle, its length is 10 more than its width. If the area of the rectangle is 264, then what are the dimensions of the rectangle?

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wiseowl Feb 19, 2021

530

precalc

The angle below measures 5 radians, and a circle is centered at the angle's vertex.The x-coordinate of the terminal point is 0.28. What is the y-coordinate of the terminal point?

read more ..

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Guest Feb 19, 2021

-1

484

+230

Hey besties need a lil help pls and thanks

There are 3 complex numbers $a+bi$, and $e+fi$. If $b=1$, $e=-a-c$, and the sum of the numbers is $-i$ find $d+f$.

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wizzymath Feb 19, 2021

-1

423

+230

Hey pls help thx

If we are given $x$ such that $25^x-9^y=18$ and $5^x-3^y=3$, compute $5^x+3^y$.

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wizzymath Feb 19, 2021

420

interest

Christian gets 100 from his Grandma for his birthday. He decides to go to the bank and put it in asavings account which earns 1% simple interest. When he graduates high school in 6 years, how much money will be in his account?

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Guest Feb 19, 2021

408

help

You have 12 coins of type pennies, nickel and dimes. The total amount is 42. You have at least one of each kind of coin. How many pennies, nickels and dimes do you have?

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Guest Feb 19, 2021

419

piecewise function

If
Then for how many values of x is f(f(x)) = 5?

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Guest Feb 19, 2021

Feb 18, 2021

415

help with line please

Line 1 represents the graph of 3x+4y=-14. Line 2 passes through the point (5,7), and is perpendicular to line 1. If line 2 represents the graph of y=mx+b, then find m+b.

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Guest Feb 18, 2021

403

math

What does Circular Fountain mean in math. Because I don't know what it means.

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Guest Feb 18, 2021

758

I legit have no clue how to do this I'd appreciate help

What is the greatest possible side length of a triangle whose perimeter is 1000 and all whose sides have integral lengths

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PlzHelpMeOut Feb 18, 2021

551

coordinates

Given the points C(-1,-5) and D(-7,11), find the coordinates of point E on CD such that the ratio of CE to ED is 5:3

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Guest Feb 18, 2021

1044

A 14,700 N car traveling at 52.5 km/h rounds a curve of radius 1.60 102 m.

A 14,700 N car traveling at 52.5 km/h rounds a curve of radius 1.60 ✕ 102 m.
(a) What is the centripetal acceleration of the car?
m/s2
(b) What is the centripetal force?
N
(c) What is the minimum coefficient of static friction between read more ..

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Guest Feb 18, 2021

951

I don't really understand how this works

Lizzie came up with a divisibility test for a certain number :
Break a positive integer into two-digit chunks, starting from the ones place. (For example, the number would break into the two-digit chunks )
Find read more ..

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Guest Feb 18, 2021

754

HELPPPPP

A group of 10 Caltech students go to Lake Street for lunch. Each student eats at either Chipotle or Panda Express. In how many different ways can the students collectively go to lunch?

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Guest Feb 18, 2021

383

Find all solutions to

Find all solutions to
ab+2a+2b=-16
ac+2a+2c=26
bc+2b+2c=-14 read more ..

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Guest Feb 18, 2021

425

Find the product

Find the product
(x^50+x^49+x^48+...+x^2+x+1)(x^50-x^49+x^48-...+x^2-x+1)
(In the second factor, the coefficients alternate between 1 and -1)

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Guest Feb 18, 2021

400

Help me Please

the linear equation that describes the relationship 12.5 miles: 1 hour. (where x=number of hours and y=number of miles )

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Guest Feb 18, 2021

657

convex polygon

The diagram shows a convex polygon. What is the value of u?

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Guest Feb 18, 2021

871

Find the rate of change in the function y = -3x

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Guest Feb 18, 2021

All Questions ⁺⁰237641 Questions

Help

Help with Module Inverses

quadratic

geometry

Geometry (Pythagorean Theorean)

algebra

rectangle

precalc

Hey besties need a lil help pls and thanks

Hey pls help thx

interest

help

piecewise function

help with line please

math

I legit have no clue how to do this I'd appreciate help

coordinates

A 14,700 N car traveling at 52.5 km/h rounds a curve of radius 1.60 102 m.

I don't really understand how this works

HELPPPPP

Find all solutions to

Find the product

Help me Please

convex polygon

Find the rate of change in the function y = -3x

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