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Post New Question
All Questions
+0
230833 Questions
0
683
1
i don't get probability
There are 4 white marbles, 6 red marbles, and 2blue marbles. Once a marble is selected, it is not replaced. Find the probability of selecting 2 blue marbles.
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Guest
Feb 11, 2021
0
1210
5
+126
quadrilateral area
Two boards, one four inches wide and the other six inches wide, are nailed together to form an X. The angle at which they cross is 60 degrees. If this structure is painted and the boards are separated what is the area of the unpainted region on the four-inch
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geoNewbie21
Feb 11, 2021
0
732
1
height of a golf ball
The height of a golf ball hit off a 128-foot cliff is modeled by the function h(t) = −16t^2 + 32t + 128, where h is height in feet and t is time in seconds. Find the time the golf ball takes to reach the ground.
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Guest
Feb 11, 2021
0
279
1
help is appreciated!
You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then deal all 12 cards at random to four players, so that each player gets three cards. What is the probability that each player gets an
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Guest
Feb 11, 2021
0
475
1
+193
Linear Equations
Solve for $x$: $4x^{1/3}-2 \cdot \frac{x}{x^{2/3}}=7+\sqrt[3]{x}$.
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clairepow
Feb 11, 2021
0
271
0
book sales
The total proceeds from a used book sale were $\$155$ a total of 65 books were sold the books were priced at $\$3$ and $\$2$ each . How many books were sold for $\$3$? How many books were sold for $\$2$?
Guest
Feb 11, 2021
0
485
1
+193
Linear Equations In Disguise
Given that $3x^2-2(x^2+4)=42$, what is the value of $x^4$?
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clairepow
Feb 11, 2021
0
225
0
PLEASE HELP ASAP
A student that is 5 feet tall is standing 27 feet from a building. The angle of elevation from the student’s eyes to the top of the building is 50°. What is the total height of the building?
Guest
Feb 11, 2021
0
419
1
+79
Please help me, thank you!
Find a polynomial of degree such that both of these properties hold:
is divisible by .
is divisible by .
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StarsIsTheLimit
Feb 11, 2021
0
295
0
help on investments
Gabriel invested $\$77,000$ in an account paying an interest rate of 3% compounded monthly. Isabella invested $\$77,000$ in an account paying an interest rate of 4% compounded quarterly. After 6 years, how much more money would Isabella have in her account
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Guest
Feb 11, 2021
0
415
1
investment
An investment of $10,000 is made in a government bond that will pay 6% interest compounded annually. At the end of four years, what is the total number of dollars in this investment? Express your answer to the nearest whole number.
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Guest
Feb 11, 2021
0
275
2
geometry
M is the midpoint of PQ and N is the midpoint of PR, and O is the intersection of QN and RM, as shown. If QN is perpendicular to PR, QN = 18, and PR = 14, then find OR.
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Guest
Feb 11, 2021
0
355
1
+18
Hi Hello plz Help
An engineer invested in a six-month savings certificate that paid a simple annual interest rate of . After six months, she invested the total value of her investment in another six-month certificate. After six more months, the investment
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Koko123
Feb 11, 2021
0
429
1
PLS heLP ASAp
In the diagram, the area of rectangle is of the area of unit square What is the area of quadrilateral in square units?
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Guest
Feb 11, 2021
0
328
1
+18
Help Me please
Find the sum of all values of $x$ such that $2^{x^2-3x-2} = 4^{x - 4}$.
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Koko123
Feb 11, 2021
0
485
1
Which of the curves on the graph below indicate a function?
Which of the curves on the graph below indicate a function?
A. A only
B. A, B, C, D
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Guest
Feb 11, 2021
0
282
1
bruhhhhhyhhhh!!!!!
whats this 33 /889
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Guest
Feb 11, 2021
0
208
0
algebra
Suppose that for some a, b, c we have a + b + c = 1, ab + ac + bc = abc = 4. What is a^3 + b^3 + c^3?
Guest
Feb 11, 2021
0
459
3
+71
Fast Help Is Needed
In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from 1 to 10, and one SuperBall is drawn (at random) from ten red balls numbered from 11 to 20. When you buy a ticket, you choose three numbers from 1 to 10 and
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MathSolverForLYFE
Feb 11, 2021
0
429
3
HELP FASTTTTT
River C is 200 miles longer than River D. If the sum of their lengths is 5,570 miles, what is the length of each river?
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Guest
Feb 11, 2021
Feb 10, 2021
0
327
1
area of triangle
Find the area of the triangle below.
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Guest
Feb 10, 2021
0
368
0
+215
Please read all below
Can you please let me know adding fractions problem, subtracting fractions problem, multiplying fraction problems, and dividing fraction problems. Could you give any of those types of regular math problem and/or math word problems to help me
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alston
Feb 10, 2021
0
422
3
Geometry help (trapezoids)
As shown in the diagram, $\overline{PQ}$ is the median of trapezoid $ABCD,$ where $AB=25$ inches and $CD=36$ inches. Find $XY$ in inches.
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Guest
Feb 10, 2021
0
1253
3
A rectangular piece of paper ABCD is folded so that edge CD lies along edge AD...
A rectangular piece of paper $ABCD$ is folded so that edge $\overline{CD}$ lies along edge $\overline{AD},$ making a crease $\overline{DP}.$ The crease is unfolded, and then the paper is folded again so that edge $\overline{AB}$ lies along edge $\overline{AD},$
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Guest
Feb 10, 2021
0
370
1
In the diagram below what is the value of xx? need the work how you did it!
In the diagram below what is the value of xx?
A. 83/3
B. 184/3
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Guest
Feb 10, 2021
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