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757

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

1239

+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 read more ..

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geoNewbie21 Feb 11, 2021

821

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

362

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 read more ..

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Guest Feb 11, 2021

564

+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

347

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

560

+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

299

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

507

+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

376

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 read more ..

Guest Feb 11, 2021

511

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

362

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.

read more ..

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Guest Feb 11, 2021

454

+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 read more ..

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Koko123 Feb 11, 2021

517

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

422

+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

567

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 read more ..

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Guest Feb 11, 2021

362

bruhhhhhyhhhh!!!!!

whats this 33 /889

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Guest Feb 11, 2021

278

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

550

+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 read more ..

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MathSolverForLYFE Feb 11, 2021

514

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

415

area of triangle

Find the area of the triangle below.

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Guest Feb 10, 2021

441

+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 read more ..

alston Feb 10, 2021

507

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.
read more ..

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Guest Feb 10, 2021

1284

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 $\overline{AD},$ read more ..

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Guest Feb 10, 2021

449

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 read more ..

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Guest Feb 10, 2021

All Questions ⁺⁰237641 Questions

i don't get probability

quadrilateral area

height of a golf ball

help is appreciated!

Linear Equations

book sales

Linear Equations In Disguise

PLEASE HELP ASAP

Please help me, thank you!

help on investments

investment

geometry

Hi Hello plz Help

PLS heLP ASAp

Help Me please

Which of the curves on the graph below indicate a function?

bruhhhhhyhhhh!!!!!

algebra

Fast Help Is Needed

HELP FASTTTTT

area of triangle

Please read all below

Geometry help (trapezoids)

A rectangular piece of paper ABCD is folded so that edge CD lies along edge AD...

In the diagram below what is the value of xx? need the work how you did it!

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