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Post New Question
All Questions
+0
229725 Questions
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410
1
+193
Floors and Ceilings
Evaluate $\left\lceil {-\!\sqrt{23}}\right\rceil$.
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clairepow
Feb 14, 2021
0
395
1
+193
Floors and Ceilings
Evaluate $\left\lceil\sqrt{2}\,\right\rceil+\left\lceil\sqrt{22}\,\right\rceil+\left\lceil\sqrt{222}\,\right\rceil$
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clairepow
Feb 14, 2021
0
412
1
Please answer this URGENT
Express your polynomial in standard form
f(x)=3x^2+6x+10
g(x)=2x-13
g(f(x))
read more ..
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Guest
Feb 14, 2021
0
693
1
algebra
In a game, Theodore received a handful of coins (pennies, nickels, dimes, and quarters) as a prize. When he got home, he found that he had managed to get $2.09 in change. He noticed that he had three times as many pennies as dimes, one more nickel than
read more ..
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Guest
Feb 14, 2021
0
387
1
+193
Polynomial Multiplication
What is the coefficient of $x^2$ when $-5x^3 - 5x^2 - 7x + 1$ is multiplied by $-x^2 - 6x + 1$ and the like terms are combined?
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clairepow
Feb 14, 2021
0
364
2
graphing
What is the y-intercept of the graph of the linear function?
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Guest
Feb 14, 2021
0
437
1
+193
Interest Rates
Cedric has deposited $\$12,\!000$ into an account that pays 5% interest compounded annually.
Daniel has deposited $\$12,\!000$ into an account that pays 7% simple annual interest.
In $15$ years Cedric and Daniel
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clairepow
Feb 14, 2021
0
727
5
+193
Polynomial Multiplication
Simplify the following:
$(2y-1)\cdot(4y^{10}+2y^9+4y^8+2y^7).$
Express your answer as a polynomial with the degrees of the terms in decreasing order.
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clairepow
Feb 14, 2021
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546
1
Brandon decided to make his own hand sanitizer.
Brandon decided to make his own hand sanitizer.To be effective, hand sanitizer should contain 60%
alcohol.
How much hand sanitizer can Brandon make with 60ml of pure alcohol?
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Guest
Feb 14, 2021
0
346
1
expand the polynomial
Expand the polynomial (3 - x)(3x^2 + x - 4).
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Guest
Feb 14, 2021
0
373
3
+193
Floors and Ceilings
How many values of $r$ are there such that $\lfloor r \rfloor + r = 15.5?$
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clairepow
Feb 14, 2021
0
464
2
Albert mixes 10 grams of 15% sugar and 25 grams of 10% sugar syrup
Albert mixes 10 grams of 15% sugar and 25 grams of 10% sugar syrup. How many grams of sugar does the mixture contain?
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Guest
Feb 14, 2021
0
214
0
Compounding Problem
You have 200 dollars to split between Bank Account A (A) and Bank Account B (B) (doesn't have to be split, can be 200 and 0 as well). Both A and B earn interest daily at a rate of 1% with 100% of the earnings reinvested. However, 30% of the interest
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Guest
Feb 14, 2021
0
324
1
plz help
I have no idea how to solve these.
Find the measure of the arc or angle indicated
read more ..
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Guest
Feb 14, 2021
0
415
3
+193
Polynomial Multiplication
Find the constant $t$ such that
\[(5x^2 - 6x + 7)(4x^2 +tx + 10) = 20x^4 -54x^3 +114x^2 -102x +70.\]
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clairepow
Feb 14, 2021
+1
396
2
+193
Inverse Proportions
Suppose $a$ is directly proportional to $b$, but inversely proportional to $c$. If $c$ when $b = 5$ and $c =9$, then what is $c$ when $b=3$?
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clairepow
Feb 14, 2021
+1
426
4
+193
Floors and Ceilings
Evaluate $\left\lceil -\frac{7}{4}\right\rceil$.
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clairepow
Feb 14, 2021
0
1126
2
rate problem
It will take 48 hours of work to complete the garden.The garden must be finished in 3 days.
Each gardener works for 8 hours per day.
How many gardeners are needed?
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Guest
Feb 14, 2021
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