All Questions

560

Floor and ceiling

How many different values can $\lfloor x \rfloor + \lfloor 2x \rfloor + \lfloor 3x \rfloor +\lfloor 4x \rfloor$ take for $0 \leq x \leq 1$?

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Guest Dec 18, 2020

577

NEED HELP ASAP!!!!!

cos(pi/6-x) can be expressed in the form A(sin(x))+B(cos(x)) where A and B are constants. Find B/A.

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Guest Dec 18, 2020

581

What is x?

0.1 x - 1.6 = 0.2 x + 2.3

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Guest Dec 18, 2020

570

PLEASE HELP ASAP

Simplify

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Guest Dec 18, 2020

555

coordinate points

Consider the set of all points (x,y) in the coordinate plane for which one of the coordinates is exactly the square of the other. If we were to plot all such points, into how many regions would the resulting graph split up the plane?

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Guest Dec 18, 2020

590

+73

Help Quick!

A number is selected at random from 1 through 100, inclusive, What is the probability that the number
(a) is a perfect square
(b) is a multiple of 3
read more ..

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Vanilla Dec 18, 2020

Dec 17, 2020

1188

+15

The angle of elevation of the sun is 68 when a tree casts a shadow 14.3 m long. How tall is the tree, to the nearest tenth of a meter?

The angle of elevation of the sun is 68° when a tree casts a shadow 14.3 m long. How tall is the tree, to the nearest tenth of a meter?
36.9 m
36.7 m
34.1 m read more ..

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Mxnoorion Dec 17, 2020

497

+15

Trees!

How far away is the girl from the tree?
How tall is the tree?

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Mxnoorion Dec 17, 2020

565

+15

Trigonometry.

Find the measure of DE
Answers;
15.9 read more ..

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Mxnoorion Dec 17, 2020

504

triangle

Medians are drawn from point A and point B in this right triangle to divide segments BC and AC in half, respectively. The lengths of the medians are 6 and sqrt(13) units, respectively. How many units are in the length of segment AB?

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Guest Dec 17, 2020

500

Any help would be great, If you show the work i can learn it...lol

Please Help!
L is a Transversal. For what Value of X will M and N Be Parallel?

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Guest Dec 17, 2020

564

How Do You Multiply Fractions?

1/8 + 7/4 =?

-Abi

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Guest Dec 17, 2020

666

HELP!

1. How many positive integers N from 1 to 5000 satisfy the congruence ?

2. How many positive integers N from 1 to 5000 satisfy both congruences, and ?

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Guest Dec 17, 2020

447

Use what is given to find x. Please. This is my last one.

X is the bottom 25 is angle, and 13 is hypotenuse.

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Guest Dec 17, 2020

942

During a bake sale, 1 1/2 dozen cookies were sold in 1/3 hour. What is the unit rate for the dozens of cookies sold per hour?

During a bake sale, 1 1/2 dozen cookies were sold in 1/3 hour. What is the unit rate for the dozens of cookies sold per hour?
A.1/2
B.2/1
C.4.5/1 read more ..

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tolApleHdeeNI Dec 17, 2020

840

+44

Finding which system of equations represents the situtation

There are 15 animals in a barn. These animals are horses and chickens. There are 44 legs in all. Which system of equations represents the situtaion?

A. 4x+2y=15, x+y=44
B. x=2y+44, 4x=y+15 read more ..

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shelbyrai3434 Dec 17, 2020

689

An airplane takes off from the runway at an 15 degree angle

An airplane takes off from the runway at an 15 degree angle. A fence is 50 feet away from the location where the plane took off from the runway. What is the altitude of the airplane when it passes over the fence

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Guest Dec 17, 2020

433

I think I know it, but I need re-assuring

What is the opposite of the opposite of negative 9?

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Guest Dec 17, 2020

496

geometry problem

Given a four by four grid of points, where the distance between two closest points in the grid is 10. Four lines are drawn as shown, enlcosing a square. Find the area of the square.

read more ..

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Guest Dec 17, 2020

565

Can't figure this out-

John borrowed $6 from Adam.
The next week John borrowed $15 more from Adam.
Write an intger that that represents John's total dept to Adam.

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Guest Dec 17, 2020

480

help with coordinates

For what value of c will the circle with equation x^2 + 8x + y^2 + 6y + c = 0 have a radius of length 3?

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Guest Dec 17, 2020

521

Complex numbers, help as fast as possible pls.

Compute

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Guest Dec 17, 2020

818

+21

Eric measured the height of a window frame as 5.43 feet, but the actual height was 6 feet. What is the percentage of error in Eric's measure

hi guys me new help pls

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dqwadszda Dec 17, 2020

All Questions ⁺⁰237641 Questions

Floor and ceiling

NEED HELP ASAP!!!!!

What is x?

PLEASE HELP ASAP

coordinate points

Help Quick!

The angle of elevation of the sun is 68 when a tree casts a shadow 14.3 m long. How tall is the tree, to the nearest tenth of a meter?

Trees!

Trigonometry.

triangle

Any help would be great, If you show the work i can learn it...lol

How Do You Multiply Fractions?

HELP!

Use what is given to find x. Please. This is my last one.

During a bake sale, 1 1/2 dozen cookies were sold in 1/3 hour. What is the unit rate for the dozens of cookies sold per hour?

Finding which system of equations represents the situtation

An airplane takes off from the runway at an 15 degree angle

I think I know it, but I need re-assuring

geometry problem

Can't figure this out-

help with coordinates

Complex numbers, help as fast as possible pls.

Eric measured the height of a window frame as 5.43 feet, but the actual height was 6 feet. What is the percentage of error in Eric's measure

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