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491

1

a math question

what is 90 x 73 / 34 + 73 - 50

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Guest Jan 7, 2020

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654

1

Questoin

Let line $l_1$ be the graph of $5x + 8y = -9$. Line $l_2$ is perpendicular to line $l_1$ and passes through the point $(10,10)$. If line $l_2$ is the graph of the equation $y=mx +b$, then find $m+b$.

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Guest Jan 7, 2020

0

1080

1

help

A car passes point A driving at a constant rate of 60 km/h. A second car, traveling at a constant rate of 75 km/h, passes the same point A a while later and then follows the fist car. It catches the first car after traveling a distance read more ..

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Guest Jan 7, 2020

0

422

0

Y -3x =-1

Y-3x =-1

Guest Jan 7, 2020

0

722

1

help

How many sets A exist for which ?

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Guest Jan 7, 2020

0

656

1

help

Find all real numbers x such that

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Guest Jan 7, 2020

0

648

4

help

What is the constant term in the expansion of ?

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Guest Jan 7, 2020

0

769

3

+262

me and my friend are officially stumped on this >:(

A standard six-sided die is rolled 5 times. You are told that among the rolls, there was one 4, one 5, and three 6's. How many possible sequences of rolls could there have been? (For example, 6,5,6,6,4 is one possible sequence.) read more ..

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atlas9 Jan 7, 2020

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612

1

help

Integers, like molecules, are built from atoms. However there's only one element in the periodic table of maths, namely the number 1, and all other integers can be built from it. For example, there are several ways to build the number 6:
read more ..

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Guest Jan 7, 2020

0

455

0

hehehehehehe

14+(−9)−(−9)14, plus, left parenthesis, minus, 9, right parenthesis, minus, left parenthesis, minus, 9, right parenthesis.

off-topic

Guest Jan 7, 2020

0

1587

3

What mistake has Noah made in his construction?

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Guest Jan 7, 2020

0

560

1

Need help

If the point (3,6) is on the graph of , and for all x, then there is one point that must be on the graph of . What is the sum of the coordinates of that point?

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Guest Jan 7, 2020

0

838

2

What was her mistake?

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Guest Jan 7, 2020

+1

906

3

+614

Ratio question please check if I did it correctly

The total number of pears eaten by Pete and two of his friends, Tweet and Honk, (during this visit to the pear tree) were in the ratio of 2 : 3 : 5 respectively. If Pete ate 12 less pears than Honk, how many pears did Tweet eat during this time
I read more ..

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xxJenny1213xx Jan 7, 2020

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548

1

help

What is the constant term in the expansion of ?

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Guest Jan 6, 2020

0

764

5

help

what is the constant term in the expansion of ?

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Guest Jan 6, 2020

0

451

1

Math

The Miller's are comparing babysitting services for their two children.
The Babysitter's Block charges a rate of $15 an hour per child plus an initial fee of $25 per household.
Super Sitters charges a flat rate of $20 read more ..

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Guest Jan 6, 2020

0

400

0

math

The Miller's are comparing babysitting services for their two children.
The Babysitter's Block charges a rate of $15 an hour per child plus an initial fee of $25 per household.
Super Sitters charges a flat rate of $20 read more ..

off-topic

Guest Jan 6, 2020

0

603

1

help

If x + 1/x = 5, then find the value of (x - 2)^2 + 25/(x - 2)^2.

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Guest Jan 6, 2020

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1015

1

Explain why you need to construct a circle in step 5.

Explain why you need to construct a circle in step 5. [Write a clear explanation that satisfies as an answer.]

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Guest Jan 6, 2020

0

449

0

help

Let x and y stand for digits. What is the largest number that must always divide 2xy + 3yx + 6xx?

Guest Jan 6, 2020

0

799

2

help

P is a point inside square ABCD such that Angle PAB = Angle PBA = 15 degrees. Find angle PCD.

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Guest Jan 6, 2020

0

444

1

help

Find the last digit of (2 + sqrt(3))^(17) + (2 - sqrt(3))^(17).

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Guest Jan 6, 2020

0

4040

3

7 t-shirts and a hat costs £67.00 5 t-shirts and a hat costs £49.00. How much does a t-shirt cost? How much does a hat cost?

7 t-shirts and a hat costs £67.00
5 t-shirts and a hat costs £49.00.
How much does a t-shirt cost?
How much does a hat cost?

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Guest Jan 6, 2020

0

737

1

An impulse of 100 N.s is applied to a 20.0 kg mass traveling at a speed of 50 m/s.

An impulse of 100 N.s is applied to a 20.0 kg mass traveling at a speed of 50 m/s. Determine the speed of the mass after the impulse was applied. [Show all work including the equation and the substitution with units.]

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Guest Jan 6, 2020

All Questions ⁺⁰237643 Questions

a math question

Questoin

help

Y -3x =-1

help

help

help

me and my friend are officially stumped on this >:(

help

hehehehehehe

What mistake has Noah made in his construction?

Need help

What was her mistake?

Ratio question please check if I did it correctly

help

help

Math

math

help

Explain why you need to construct a circle in step 5.

help

help

help

7 t-shirts and a hat costs £67.00 5 t-shirts and a hat costs £49.00. How much does a t-shirt cost? How much does a hat cost?

An impulse of 100 N.s is applied to a 20.0 kg mass traveling at a speed of 50 m/s.

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