All Questions

669

+1072

Help Please!!!

How many 4-digit numbers are there where any two consecutive digits are different?

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SpongeBobRules24 Feb 23, 2020

821

+1072

Help Please!!!

Find the value of the sum

read more ..

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SpongeBobRules24 Feb 23, 2020

519

SOMEONE!!! HELP!!!

In the coordinate plane, we plot the point (4t - 4, -2t + 7) for every real number t to obtain a graph G. For example, when t = 2, we have 4t - 4 = 4 and -2t + 7 = 3, so the point (4,3) lies on the graph G.

(a) Show that every point read more ..

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Guest Feb 23, 2020

875

+312

PROBABILITY OVERLOAD

Melody was mistaken. I have attempted all the questions... but I got them all incorrect. (3 was corrected)

1) What is the probability that, in a roll of 3 fair dice, the same number is not rolled twice?
I listed read more ..

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mathleteig Feb 23, 2020

813

A new alloy is made by mixing 72 grams of iron with 9 grams of zinc. How many grams of iron are required to make the alloy when combined wit

A new alloy is made by mixing 72 grams of iron with 9 grams of zinc. How many grams of iron are required to make the alloy when combined with 144 grams of zinc?

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Guest Feb 23, 2020

1588

help

To complete a task in 16 days a company needs 5 people each working in 6 hours per day The company decides to have 8 people each working in 4 hours per day Assuming that each person works at the same rate,how many days will the task take to complete read more ..

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Guest Feb 23, 2020

775

Math

is 1/5*30=6

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Guest Feb 23, 2020

921

please help me

Miko and Freya saved the same amount of money. After Miko lent $32 to Freya, Freya had 5 times as much money as Miko. How much did Freya have in the end?

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Guest Feb 23, 2020

665

Solve g(x) = -10 and g(x) > f(x) for the given equations f(x)=x^2 and g(x)=1/(x^3).

a. Solve g(x) = -10 and g(x) > f(x) for the given equations f(x)=x^2 and g(x)=1/(x^3).
b. What kind of symmetry do the graphs of the equations f and g have?
c. What is the symmetry axis or point of axis for both graphs. read more ..

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Guest Feb 23, 2020

430

Possibilities

You’re making a blanket which consists out of 35 squares (7x7)

a. How many different blankets could you make if for each square you can choose out of six different colours? Give your answer in scientific notation.
read more ..

Guest Feb 23, 2020

594

help

Wanda the Witch and Gweneth the Goblin decide they want a pet. They bought a black cat for $131.30. The state demands that they pay 6.5% tax on the purchase and charges them an additional 30% fee for initial immunizations (shots) for the cat. What is the read more ..

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Guest Feb 23, 2020

659

please help with geo!

A glasshouse is in the shape of a square pyramid. Calculate the area of the four triangle faces to be nearest square metre if the side of the square is 20m and the height of the pyramid is 17m.

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Guest Feb 23, 2020

714

help

I think you are supposed to use quadratics, but I don't know how.

A piece of wire 10 m long is to be cut into two pieces. One piece is bent into a square, and the other into a circle. How can the wire be cut so that the area enclosed read more ..

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Guest Feb 23, 2020

595

help please

Without repetition, how many for 4 digits numbers you can form with 1,2,3,4,5,6,7 which are divisible by 5

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Guest Feb 23, 2020

485

Assume that when with smartphones are randomly selected, 46% use them in meetings or classes. If 12 adult smartphone users are randomly sele

Assume that when with smartphones are randomly selected, 46% use them in meetings or classes. If 12 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes.

Guest Feb 23, 2020

-2

767

+288

Vertex Form

Can someone show me how to convert into vertex form?

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madyl Feb 23, 2020

899

geometry!

At a certain distance, the angle of elevation to the top of a building is 60°. From 40 feet further back, the angle of elevation is 45°. Find the height of the building.

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Guest Feb 23, 2020

637

help

Frank and Bob start from home in their cars and travel in opposite directions. Frank's speed is twice of Bob's. In 4 hours they are 480 kilometers apart. Find their speeds.

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Guest Feb 23, 2020

585

help

Jack’s car started from point P toward point Q. At the same time, Jill’s car started at point Q toward point P. They crossed paths (assume there were no crashes) at point R. They continued on their paths, with Jack’s car reaching point Q nine hours after read more ..

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Guest Feb 23, 2020

771

help

A vertical pole casts a shadow 20 meters. At the same times, a second vertical pole 8 meters high casts a shadow 32 meters long. find, in meters, the height of the first pole.

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Guest Feb 23, 2020

700

vectors

Given a list of linearly independent vectors, the Gram-Schmidt process produces a list of orthogonal unit vectors by:
subtracting from each vector its projections onto all vectors earlier in the list, and
multiplying each vector by a scalar read more ..

Guest Feb 23, 2020

651

help

Compute the distance between the parallel lines given by and

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Guest Feb 23, 2020

815

speed problem

Leo needs to drive from Boston to Chicago. He planned to drive for 20 hours at an average speed of 50 mph. But, he drove at an average speed of 60 mph for the first 5 hours. During the remaining part of the trip, his average speed was 50 mph. How much earlier read more ..

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Guest Feb 23, 2020

772

help

I’m trying to get to a 1,000,000 snap score. I’m currently at 350,000. If I gain 200 a day how many more days until I reach 1,000,000?

mathleteig ●

Guest Feb 23, 2020

779

where is the factoral symbol

where is the factoral symbol?

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Guest Feb 23, 2020

All Questions ⁺⁰238211 Questions

Help Please!!!

Help Please!!!

SOMEONE!!! HELP!!!

PROBABILITY OVERLOAD

A new alloy is made by mixing 72 grams of iron with 9 grams of zinc. How many grams of iron are required to make the alloy when combined wit

help

Math

please help me

Solve g(x) = -10 and g(x) > f(x) for the given equations f(x)=x^2 and g(x)=1/(x^3).

Possibilities

help

please help with geo!

help

help please

Assume that when with smartphones are randomly selected, 46% use them in meetings or classes. If 12 adult smartphone users are randomly sele

Vertex Form

geometry!

help

help

help

vectors

help

speed problem

help

where is the factoral symbol

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