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680

1

Help

You have linear functions p(x) and q(x). You know p(2)=3, and p(q(x))=4x+7 for all x. Find q(-1).

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Guest Feb 26, 2020

0

724

6

Chemistry

5. What mass of Na2SO4 is needed to make 2.5 L of 2.0 M solution?
178 g
284 g
356 g read more ..

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Guest Feb 26, 2020

0

844

1

help

Let a be a real number for which there exists a unique value of b such that the quadratic equation x^2 + 2bx + (a-b) = 0 has one real solution. Find a.

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Guest Feb 26, 2020

0

1039

2

is this possible?

A chemical manufacturer wants to lease a fleet of 28 railroad tank cars with a combined carrying capacity of 564,000 gallons. Tank cars with three different carrying capacities are available: 6,000 gallons,12,000 gallons, and 24,000 gallons. How many read more ..

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Guest Feb 26, 2020

0

1079

2

+94

Say there's a polynomial ax^4+bx^3+cx^2+dx+e=0.

Find a polynomial of degree 4 that has √2 + √7 as a root. That is, find integers a,b,c,d,e, so that x = √2 + √7 is a solution to the equation
ax^4+bx^3+cx^2+dx+e=0.

1. Find all the roots of this polynomial. read more ..

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RandomUser Feb 26, 2020

0

4132

3

The graph of a sine function has an amplitude of 4, a midline of y = 2, and a period of 10.

The graph of a sine function has an amplitude of 4, a midline of y = 2, and a period of 10.
There is no phase shift. The graph is reflected over the x-axis.
What is the equation of the function?
read more ..

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Guest Feb 26, 2020

0

1243

1

What is the distance between the two intersections of $y=x^2$ and $x+y=1$?

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Guest Feb 26, 2020

0

1129

1

Real numbers $x$ and $y$ have an arithmetic mean of 7 and a geometric mean of $\sqrt{19}$. Find $x^2+y^2$.

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Guest Feb 26, 2020

0

803

1

18/3=6/1=

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Guest Feb 26, 2020

0

836

3

solve

b^2-6b+5=0

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Guest Feb 26, 2020

0

513

1

need help with average speed

Darrin rode his bike the 30 miles out to the lake in 2 hours. The wind was against him on the return trip which took 3 hours. Find Darrin's average speed

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Guest Feb 26, 2020

0

837

1

model

Winning the jackpot in a particular lottery requires that you select the correct two numbers between 1 and 31 and, in a separate drawing, you must also select the correct single number between 1 and 58. Find the probability of winning the jackpot. read more ..

off-topic

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Guest Feb 26, 2020

0

645

1

blackjack

Suppose that you are playing blackjack against a dealer. In a freshly shuffled deck, what is the probability that neither you nor the dealer is dealt a blackjack?

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Guest Feb 26, 2020

0

1107

2

How many times does 48 go into 234

off-topic

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Guest Feb 25, 2020

0

1189

1

current

A boat traveled 144 miles downstream and back. The trip downstream took 4 hours. The trip back took 9 hours. Find the speed of the boat in still water and speed of the current.

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Guest Feb 25, 2020

0

680

2

+0

Hey just a basic math question

https://static.k12.com/nextgen_media/assets/8123391-NG_IMB_IT_03_DP001_91_002.png
Just answer this, please, and thank you.

off-topic

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bruhexe Feb 25, 2020

0

478

1

How to find equivalent polar coordinates

I try looking for it online but I can't find anything

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Guest Feb 25, 2020

0

599

2

Archie's dad is four years older than twice Archie's current age. If the sum of their ages is 52, how old is Archie,

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Guest Feb 25, 2020

0

617

1

math

i need help as soon as posible
we are leaning pi and this is the equation
find the area of a circle with a curcomrefess of 50.24 units.

off-topic

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Guest Feb 25, 2020

0

671

1

Helpppp!!

A number is chosen at random from the set of consecutive natural numbers $\{1, 2, 3, \ldots, 24\}$. What is the probability that the number chosen is a factor of 4? Express your answer as a common fraction.

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Guest Feb 25, 2020

0

709

1

help pleezzz

Two less than three times a number is equal to 14 more than five times the number. find the number

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Guest Feb 25, 2020

0

2299

2

What does the term 'dearer' mean?

"A Choc frog is 11 cents dearer than a green frog"
Does anyone know what the word "dearer" means?
I'm using an Austrailian Math Curriculum, I guess that might help you guys figure it out.
Thanks! read more ..

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Guest Feb 25, 2020

0

649

0

+8

aswer 1 and 2 if you choose, but help as soon as possible my friend

1. Y=8/5 x - 12

2. Y=8/5 (226.6)-12

seto.kaiba Feb 25, 2020

0

666

0

Given that exactly two of the six rolls resulted in a 1, find the probability that the first roll resulted in a 1. Note: Your answer should

Given that exactly two of the six rolls resulted in a 1, find the probability that the first roll resulted in a 1.

Guest Feb 25, 2020

All Questions ⁺⁰238360 Questions

Help

Chemistry

help

is this possible?

Say there's a polynomial ax^4+bx^3+cx^2+dx+e=0.

The graph of a sine function has an amplitude of 4, a midline of y = 2, and a period of 10.

What is the distance between the two intersections of $y=x^2$ and $x+y=1$?

Real numbers $x$ and $y$ have an arithmetic mean of 7 and a geometric mean of $\sqrt{19}$. Find $x^2+y^2$.

18/3=6/1=

solve

need help with average speed

model

blackjack

How many times does 48 go into 234

current

Hey just a basic math question

How to find equivalent polar coordinates

Archie's dad is four years older than twice Archie's current age. If the sum of their ages is 52, how old is Archie,

math

Helpppp!!

help pleezzz

What does the term 'dearer' mean?

aswer 1 and 2 if you choose, but help as soon as possible my friend

Given that exactly two of the six rolls resulted in a 1, find the probability that the first roll resulted in a 1. Note: Your answer should

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