All Questions

-1

1286

Help, had to repost because nobody answered it.

Ten circles are all the same size. Each pair of these circles overlap but no circle is exactly on top of another circle. What is the greatest possible total number of intersection points of these ten circles?

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Guest Mar 2, 2020

-1

546

+71

done

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rubikx2910 Mar 2, 2020

-1

657

+71

done

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rubikx2910 Mar 2, 2020

-1

580

+71

done

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rubikx2910 Mar 2, 2020

-1

564

+71

done

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rubikx2910 Mar 2, 2020

-1

628

+71

invertible matrixes

Let and be the following matrices:
For each matrix above, figure out whether it's invertible, and answer "yes" or "no" in the order above. (Answer with "yes" if it is invertible.)

Could someone help? I'm not sure read more ..

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rubikx2910 Mar 2, 2020

-2

839

+152

Please help me thank you!!!

Yvette has six beads that she is going to assemble into a bracelet. Two of the six beads have the same color, and the remaining four all have different colors. How many different ways can Yvette assemble her bracelet? (Two bracelets are considered identical read more ..

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BIGChungus Mar 2, 2020

1411

help

A store sells white scarves and red scarves . A white scarf is $3 and a red scarf is $5. One day the store sold 12 scarves for $50. What is the total number of scarves sold on that day?

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Guest Mar 2, 2020

-1

1430

help

Jada is standing 10 feet from the base of the tree and spots a nest sitting on a branch. the angle of elevation from the ground where she is standing to the nest is 55 degrees . find the height of the nest

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Guest Mar 2, 2020

1480

Let f(x) = ax+b, where a and b are real constants, and g(x) = 2x - 5. Suppose that for all x, it is true that g(f(x)) = 3x +

Let f(x) = ax+b, where a and b are real constants, and g(x) = 2x - 5. Suppose that for all x, it is true that g(f(x)) = 3x + 4. What is a + b?

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Guest Mar 2, 2020

-2

879

+152

Please help me

There are six people sitting at a circular table. Each person is either tall or short. Let a be the number of people sitting next to at least one tall person, and let b be the number of people sitting next to at least one short person. How many possible read more ..

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BIGChungus Mar 2, 2020

753

Inverse Functions

If $f(x)=\frac{x^5-1}3$, find $f^{-1}(-31/96)$.

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Guest Mar 2, 2020

692

financial math

Having some trouble with this question please help!
Find the savings plan balance after 9months with an APR of 6% and monthly payments of
$100

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Guest Mar 2, 2020

759

+21

I need help on this very badly, Help

Points M, N, P and are the midpoints of sides TU, US, ST and of triangle STU, respectively, and UZ is an altitude of the triangle. If angleTSU=71, angle STU=39, and angle TUS=70, then what is angle NZM+angle NPM in degrees? If you see this, please answer read more ..

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minecraftnt2009 Mar 2, 2020

-2

724

+288

Number Theory

Find the largest integer for which has six solutions in non-negative integers.

-----Thanks!

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madyl Mar 2, 2020

719

PLS HELP!!!! i am stuck on this really badly...

The equation of the perpendicular bisector of the line segment joining the points (-3,8) and (-5,4) is y = mx + b. Find m+b. Note: The perpendicular bisector of the line segment \overline{AB} is the line that passes through the midpoint of \overline{AB} read more ..

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Guest Mar 2, 2020

650

Trigonometry

How many values of x with 0 degrees <= x <= 990 degrees satisfy sin x = -0.31 ?

Answer is not 12

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Guest Mar 2, 2020

-1

787

+96

math help quickly plz

The numbers 1, 2, ... , 10 are to be entered into the 10 boxes shown below, so that each number is used exactly once:
What is the maximum value of P? What is the minimum value of P?

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daddypig Mar 2, 2020

Mar 1, 2020

794

HELP!!!!!

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Guest Mar 1, 2020

694

algebra

There were 560 tickets sold for a basketball game. The activity cardholders tickets cost $1.50 and the non-cardholders tickets cost 2.50. The total amount of money collected was $1056.00. How many of each kind of ticket were Sold?

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Guest Mar 1, 2020

1639

Elizabeth runs a farm stand that sells apples and raspberries. Each pound of apples sells for $2.25 and each pound of raspberries sells for

Elizabeth runs a farm stand that sells apples and raspberries. Each pound of apples sells for $2.25 and each pound of raspberries sells for $1.50. Elizabeth sold 32 more pounds of raspberries than pounds of apples and made $108 altogether.

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Guest Mar 1, 2020

-1

671

hard

Glasses were sold at CVS. $12.00 for senior citizens and $14.50 for adults. There were 260 glasses sold for $3470 in total. How many total senior citizens glasses were sold?

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Guest Mar 1, 2020

1007

+17

NEED HELP!Let $a$ and $b$ be nonzero complex numbers such that \[|a| = |b| = |a + b|.\]Find the sum of all possible values of $\frac{a}{b}.$

Let and be nonzero complex numbers such that Find the sum of all possible values of

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CCjump21 Mar 1, 2020

717

HALP!!!! i am stuck...

I own a large truck, and my neighbor owns four small trucks that are all identical. My truck can carry a load of at least 800 pounds more than each of her trucks, but no more than 1/3 of the total load her four trucks combined can carry. Based on these read more ..

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Guest Mar 1, 2020

734

geometry

An airplane is heading north at an airspeed of 700 km/hr, but there is a wind blowing from the southwest at 80 km/hr.
The plane will end up flying ___?___ degrees off course
The plane's speed relative to the ground will be ___?__ km/hr
read more ..

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Guest Mar 1, 2020

All Questions ⁺⁰237665 Questions

Help, had to repost because nobody answered it.

done

done

done

done

invertible matrixes

Please help me thank you!!!

help

help

Let f(x) = ax+b, where a and b are real constants, and g(x) = 2x - 5. Suppose that for all x, it is true that g(f(x)) = 3x +

Please help me

Inverse Functions

financial math

I need help on this very badly, Help

Number Theory

PLS HELP!!!! i am stuck on this really badly...

Trigonometry

math help quickly plz

HELP!!!!!

algebra

Elizabeth runs a farm stand that sells apples and raspberries. Each pound of apples sells for $2.25 and each pound of raspberries sells for

hard

NEED HELP!Let $a$ and $b$ be nonzero complex numbers such that \[|a| = |b| = |a + b|.\]Find the sum of all possible values of $\frac{a}{b}.$

HALP!!!! i am stuck...

geometry

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