All Questions

805

+236

From 2003 onward, the number of daily visitors to a website increased by 200% every two years.

From 2003 onward, the number of daily visitors to a website increased by 200% every two years. So, for example, the number of visitors in 2011 was 200% more than the number of visitors in 2009. In what year was the number of daily visitors read more ..

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Choff Feb 10, 2021

690

Geometry question involving circles

In one plane, there are four circles, each with radii 3, 1, 7, and 5 respectively. They are all tangent to line m at the same point, point A. What's the maximum area that could be between the four circles.

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Guest Feb 10, 2021

596

HELP

In a survey of
1,400
people who owned a certain type of car,
490 read more ..

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Guest Feb 10, 2021

384

help with coordinates

Find the area of the region satisfying the inequality x^2 + y^2 <= 4x + 6y+13 - 2x + 3y + 9.

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Guest Feb 10, 2021

803

+41

I need some help please! ASAP!

Recently, Frank took a one-hundred question aptitude test where each correct answer scored 7 points, each incorrect answer scored -2 points, and each question not answered scored zero points. Frank answered 90 questions and scored 495 read more ..

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SZhang Feb 10, 2021

843

Question involving means

Ms. Blackwell gives an exam to two classes. The mean of the scores of the students in the morning class is 84 and the mean of the scores of the students of the afternoon class is 70. The ratio of the number of students is 3 to 4. What is the mean read more ..

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Guest Feb 10, 2021

734

Help! Thanks:)

What is the area of the region defined by the equation

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Guest Feb 10, 2021

921

Venn Diagram Question

In an after school program for juniors and seniors, there is a debate team with an equal number of students from each class on the team. Among the 28 students in the program, 25% of the juniors and 10% of the seniors are on the debate team. How many juniors read more ..

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Guest Feb 10, 2021

367

geometry

Trapezoid ABCD has parallel sides AB and CD, of lengths a and b respectively. Diagonals AC and BD intersect at E. Draw the line through E that is parallel to AB and CD, and let P and Q be its intersections with AD and BC respectively.
(a) Prove that read more ..

Guest Feb 10, 2021

612

A postal clerk sold some 15 cent stamps and some 25 cent stamps

A postal clerk sold some 15 cent stamps and some 25 cent stamps. Altogether, 15 stamps were sold for a total cost of $\$3.15$. How many of each type of stamp were sold?

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Guest Feb 10, 2021

520

coordinates

Find the y-intercept of the graph x^2 - 10x + y^2 - 10y + 25 = 8x + 4y + 16. Write your answer as an ordered pair.

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Guest Feb 10, 2021

480

help plz

In the kitchen, there was a bowl of berries.
When Billy walked by, he took 1/2 of the berries and 2 extra.
Later Bob walked by, and he took 1/3 of what Billy took and 2 extra berries.
Soon Joe walked by, and took 1/3 of what Bob read more ..

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Guest Feb 10, 2021

458

lattice points

If x >= 0 and y >= 0, how many lattice points does the line y = -3x + 36 pass through?

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Guest Feb 10, 2021

479

coordinates

Find the area of the region satisfying the inequality x^2 + y^2 <= 4x + 6y+13 + 2x - 2y.

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Guest Feb 10, 2021

632

Help

If I expand $25\cdot 24\cdot 23 \cdots 3 \cdot 2 \cdot 1$, how many zeros are there at the end of the number I get?

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Guest Feb 10, 2021

550

+39

please help (explict rule)

2. {-3, 1, 5, 9, ...} What is the explict rule? Give your answer as an equation.

3. For #2, what is the 100th term? 4. {-3, -6, -12, -24, ... } What is the explicit rule?
read more ..

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winner08 Feb 10, 2021

454

Help me about Decimals please?

16.58 more than 24.07 is equal to 40.65
True or False?

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Guest Feb 10, 2021

527

КАК написать 3 целых и 1/3 в канкуляторе?

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Guest Feb 10, 2021

608

simplify(h2)-3

(h2)-3

Choff ●

Guest Feb 10, 2021

606

+79

Please help me, thank you!

Find a polynomial of degree such that both of these properties hold:
is divisible by .

is divisible by .
read more ..

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StarsIsTheLimit Feb 10, 2021

651

heeeeelp meeeee

Another type of bacteria is doubling its number of cells every hour. Initially, there were 50 bacteria. Which of the following statements are true? Select all that apply. The relationship between the number of bacteria, b, and the number of hours that have read more ..

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Guest Feb 10, 2021

445

Algebra question here!

The results of a survey show that the percent of adults in a certain town who want to change the name of the town is in the interval [0.72, 0.84]
(a) What is the point estimate for the percent who want to change the town’s name? read more ..

Guest Feb 10, 2021

422

Algebra help, please!

There are 20 students who started precalculus in 11th grade and 20 students who started precalculus in 12th grade. The first group has a mean final grade of 88% and the second group has a mean final scored of 83%. The line plot shows the difference after read more ..

bevvycakes Feb 10, 2021

615

Algebra Help!

The average commute times for employees of a large company is 22 minutes. The commute time of 12 employees are 20, 33, 27, 35, 18, 29, 40, 22, 18, 55, 13, and 14.

a) Determine the sample mean and the population mean. read more ..

Guest Feb 10, 2021

All Questions ⁺⁰237722 Questions

From 2003 onward, the number of daily visitors to a website increased by 200% every two years.

Geometry question involving circles

HELP

help with coordinates

I need some help please! ASAP!

Question involving means

Help! Thanks:)

Venn Diagram Question

geometry

A postal clerk sold some 15 cent stamps and some 25 cent stamps

coordinates

help plz

lattice points

coordinates

Help

please help (explict rule)

Help me about Decimals please?

КАК написать 3 целых и 1/3 в канкуляторе?

simplify(h2)-3

Please help me, thank you!

heeeeelp meeeee

Algebra question here!

Algebra help, please!

Algebra Help!

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