All Questions

-1

980

+170

Help

Two positive real numbers have geometric mean and harmonic mean Enter the two numbers, separated by commas.

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FlyEaglesFly Aug 6, 2019

1105

Help

A stock investment went up 25% in 2006. Starting at this increased value, what percent would it have to go down in 2007 to be back to its original price at the beginning of 2006?

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Guest Aug 6, 2019

1793

Help Soon Please

If a farmer can trade four chickens for a p*g, three pigs for two sheep, and five sheep for two cows, what is the minimum number of cows he needs to trade for 20 chickens?

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Guest Aug 6, 2019

869

+541

help

Find . Express your answer in base 6.

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xXxTenTacion Aug 6, 2019

705

thank you :)

Consider the line through points A = (1, 1, 2) and B = (2, 3, 4). This line can be parametrized asfor some constants a, b, c, d, e, and f. What is ordered pair

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Guest Aug 6, 2019

649

Consider the projection matrix P that satisfies

Consider the projection matrix P that satisfies

Use the picture below to find 3 vectors with integer components and magnitude no greater than 8 that satisfy read more ..

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Guest Aug 6, 2019

714

how to solve this

sin^4 ( A ) + sin^2 ( A ) cos^2 ( A ) + cos^2 ( A ) = 1

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Guest Aug 6, 2019

1003

Clock question/Riddle

A clock each time it increased 20 minutes , it stopped for 10min. How long will it take the minutes arrow to do 2 full rounds ?

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Guest Aug 6, 2019

903

intermediate algebra

Two companies working together can clear a parcel of land in 26 hours. Working alone, it would take Company A 10 hours longer to clear the land than it would Company B. How long would it take Company B to clear the parcel of land alone? read more ..

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Guest Aug 6, 2019

1089

help please :)

Let A, B, C and D be the following matrices:

For each matrix in the list above, figure out whether the matrix is invertible, then enter in "invertible" or "not invertible".
read more ..

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Guest Aug 6, 2019

905

+1713

Another confusing problem

Find the sum of the first 9 terms in the following geometric series.
Do not round your answer.
64+32+16+...
I'm writing this one out but I got confused after:
64+32+16+8+4+2+????? read more ..

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tommarvoloriddle Aug 6, 2019

6576

+1713

The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3.

The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3.
What is the first term of the series?

I Don't know what to do- it says I have to use formula? read more ..

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tommarvoloriddle Aug 6, 2019

Aug 5, 2019

765

help

Let a, b, c be vectors such that
1. Then evaluate

read more ..

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Guest Aug 5, 2019

924

+937

PSL4#27

Answer: 6

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dgfgrafgdfge111 Aug 5, 2019

937

+937

PSL4#19

Answer: 34

What I did:
read more ..

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dgfgrafgdfge111 Aug 5, 2019

893

+937

PSL4#17

Answer: 17

dgfgrafgdfge111 Aug 5, 2019

935

+937

PSL4#15

Answer: 6777

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dgfgrafgdfge111 Aug 5, 2019

984

+937

PSL4#11

Answer: 36

What I did (I got 25):
read more ..

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dgfgrafgdfge111 Aug 5, 2019

940

+937

PSL4#8

Answer: 20

I have no idea how to approach this.

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dgfgrafgdfge111 Aug 5, 2019

-1

1429

Plz help immediately

The function $f$ is graphed below. Each small box has width and height 1. Larry writes the number 3 on his pinky finger. He then applies $f$ to 3 and writes the output on his ring finger. If Larry continues this process of applying $f$ and writing the output read more ..

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Guest Aug 5, 2019

791

help

In SHORT BINGO, a 5 by 5 card is filled by marking the middle square as WILD and placing 24 other numbers in the remaining 24 squares.
Specifically a card is made by placing 5 numbers from the set 1-10 in the first column, 5 numbers from 11-20 in the read more ..

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Guest Aug 5, 2019

842

Help with 3 problems

1) Given that find all possible values for $x.$
2) Let be the real solutions to Find
3) Let

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Guest Aug 5, 2019

767

Help with absolute value

1) Find all real numbers x that satisfy the equation |x+4| + |x-7| = |2x-1|.
2) Find all x for which Express your answer in interval notation.

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Guest Aug 5, 2019

795

Question

I have this question.

I can't figure this out.
read more ..

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Guest Aug 5, 2019

All Questions ⁺⁰237827 Questions

Help

Help

Help Soon Please

help

thank you :)

Consider the projection matrix P that satisfies

how to solve this

Clock question/Riddle

intermediate algebra

help please :)

Another confusing problem

The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3.

help

PSL4#27

PSL4#19

PSL4#17

PSL4#15

PSL4#11

PSL4#8

Plz help immediately

help

Help with 3 problems

Help with absolute value

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