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427

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In a cable car station, the cars can go up hill or down hill. The cars takes 1.5 minutes to complete the trip and in each case they move at constant speed.
Exactly 40 seconds after the car A start going up hill, it met the read more ..

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Guest Jul 2, 2020

481

help

Marie shops at a store where all prices end in 99 cents ($0.99, $1.99, $2.99, etc.). She ends up spending $33.89.
How many items did she purchase?

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Guest Jul 2, 2020

494

can you help with this?

In a city, 60% of the population are women, 30% of the women are girls and 40% of the girls have 5-7 years old.
25% of the total of men are boys and 20% of boys have 5-7 years old. There are a total of 2000 5-7 years old boys in the city.
How read more ..

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Guest Jul 2, 2020

890

please help

What is the sum of all even number between 10 and 500 inclusive?

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Guest Jul 2, 2020

413

probability

You get from a deck of cards the four aces. You put these cards in a table and these cards are facing down. You have 2 red cards (Heart and Diamond) and 2 black cards (Club and Spade). What is the probability to choose two cards at random, and each card read more ..

Guest Jul 2, 2020

674

help

The rectangle ABCD was divided into 9 small rectangles, and some rectangles have their perimeter inside it. The perimeter of rectangle ABCD is 54 cm. What is the perimeter of the gray rectangle?

read more ..

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Guest Jul 2, 2020

768

How are you supposed to solve this?!

Joshua has a brand of peanut oil, which has 19% oil. Kyle has a brand of olive oil, which has 71% oil. Joshua and Kyle combined their oils and made 1 3/10 quarts of a new oil. If the new oil containes 39% oil, how many quarts of peanut oil did they use? read more ..

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Guest Jul 2, 2020

693

help

If the perimeter and radius of a sector are 38 and 9 cm respectively . find its area.

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Guest Jul 2, 2020

1052

+866

tough problem! I tried using geometric series formula...

The real numbers a and b satisfy |a| < 1 and |b| < 1.

(a) In a grid that extends infinitely, the first row contains the numbers 1, a, a^2, \dots. The second row contains the numbers b, ab, a^2 read more ..

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AnimalMaster Jul 2, 2020

738

pls help!

Compute:$\gcd(36, 104)$

pls help if you can!

help

The value of x is the mean of the numbers in the white circles. The values of y is the mean of numbers in the blue circles. Find x-y.

read more ..

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Guest Jul 2, 2020

550

can anyone help

What is the sum of all three-digit numbers which leave a remainder 3 when divided by 5?

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Guest Jul 2, 2020

700

help

Let A and B be points on a circle of radius 2 centered at O, such that angle AOB = 90. C is the midpoint of OB, and AC extended meets the circle at D. Find the length CD.

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Guest Jul 2, 2020

547

help

A car travels 200 km from A to B at 40 kph, and returns from B to A along the same route at 60 kph. What is the average speed of the round trip?

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Guest Jul 2, 2020

689

+93

halp me

The equation of the line that passes through the points (-2,0) and (0,2) can be expressed in the form y=mx+b. What is the value of m+b?

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stuckonmyproblem Jul 2, 2020

Jul 1, 2020

431

help

Simplify

Guest Jul 1, 2020

892

+866

kind of need some help

Jasmine had 3 paperclips on Monday, then she had 6 on Tuesday, and her number of paperclips proceeded to double on each subsequent day. On what day of the week did she first have more than 100 paperclips?

Edit: ahh I should learn read more ..

AnimalMaster Jul 1, 2020

527

help

In the figure shown, the length of minor arc SD is one-half the length of minor arc FD. Find the measure of ∠SDG in degrees.

read more ..

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Guest Jul 1, 2020

573

help with geometry

A half-circle is inscribed within an equilateral triangle such that the diameter of the half-circle is centered on one edge of the triangle and the arc is tangent to the other two sides. What is the diameter of the semi-circle if the triangle has an edge read more ..

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Guest Jul 1, 2020

865

+738

pLeAsE HeLp mE wiTh biOLoGy!!!

1. Which of the following describes cell activity during the G1 phase of the cell cycle?
a. The cell undergoes mitosis
b. the cell grows and makes new organelles
c. the cell replicates its DNA in the nucleus read more ..

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lokiisnotdead Jul 1, 2020

761

+185

I don't understand this, please explain and help!

The number has four fourth roots. In other words, there are four complex numbers that can be entered in the square in the equation below: Find them.

I know that 2 is one, but I don't know how to find the others. Could read more ..

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Otterstar Jul 1, 2020

664

+93

help!!!!!

The graph of the line x+y=b is a perpendicular bisector of the line segment from (1,3) to (5,7). What is the value of b?

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stuckonmyproblem Jul 1, 2020

654

+185

Algebra, please help if you can!

Simplify .

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Otterstar Jul 1, 2020

647

+93

help plz

For what value of k does the line represented by the equation 1-kx = -3y contain the point (4,-3)?

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stuckonmyproblem Jul 1, 2020

All Questions ⁺⁰237722 Questions

help

help

can you help with this?

please help

probability

help

How are you supposed to solve this?!

help

tough problem! I tried using geometric series formula...

pls help!

help

can anyone help

help

help

halp me

help

kind of need some help

help

help with geometry

pLeAsE HeLp mE wiTh biOLoGy!!!

I don't understand this, please explain and help!

help!!!!!

Algebra, please help if you can!

help plz

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