4,511 Answered Questions for the topic prealgebra

Prealgebra

09/02/21

The Bass Pro Shop rents rafts for $125 per hour. Explain what the point (2, 250)mean in the context of the problem.
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Prealgebra

09/02/21

A turtle walks 3/4 of a mile in 40 minutes. What is the unit rate when the turtle’s speed is expressed in miles per hour? Write your answer as a single improper fraction or mixed number.

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Prealgebra

08/30/21

All real numbers less than 8

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Prealgebra Math

08/27/21

Can someone please help me with this problem?
A machinist drilled a conical hole into a cube of metal. If the cube has sides of length 5 cm, what is the volume of the cube after the hole is drilled? Would 92.29 cm3 be correct?
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Prealgebra Math

08/27/21

Can someone please help me with this pre-algebra problem? I’m trying to help my younger brother with his homework.
Mr. Richardson showed his class a cube that had sides one-half meter long. He said, “For the end of the year water balloon fight, you may use the amount of water that would fill this cube.” If each... more
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Prealgebra Math

08/25/21

Can someone please help me with this Pre-Algebra problem? I’m trying to help my younger brother with his homework.
A camera regularly priced at $310 was placed on sale for 20% off. When the camera still did not sell, the sale price was reduced 25% for clearance. What was the clearance price of the camera?[A]... more
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Prealgebra Math

08/25/21

Can someone please help me with this Pre-Algebra problem? I’m trying to help my younger brother with his homework.
Solve for s: 6 = t + 5s(A) s = 6 - 5t(B) s = 6 - t - 5(C) s = -6+t / 5(D) s = 6-t / 5My brother got (C) and I got (D), are either of us correct?
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08/24/21

Caffeine Problems

Caffeine Problems - ExponentsDirections: You are contemplating the installation of small coffee shops spaced intermittently throughout the park. Before you choose the locations and frequency of the... more
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Prealgebra Math

08/20/21

Can someone please make sure this Pre-Algebra problem is correct? I’m trying to help my younger brother with his homework, and I want to make sure it’s correct.
Two cards are drawn at random from a normal deck of 52 cards and not replaced. What is the probability that both cards are red?(A) 1/4(B) 1/2(C) 13/51(D) 25/102My brother and I both got (B) 1/2,... more
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Prealgebra

08/19/21

the quotient of -9 and y
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08/14/21

Systems In A Park
Part A: A mistake was made in mixing the lemonade for the concession stand, but you can fix it! The lemonade comes in 100% juice concentrate, but you only serve it as 70% solution. Unfortunately,... more
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08/13/21

Amusement Park Food Supply
The annual attendance at the amusement park is initially 2 million people and is increasing at 3% per year. The park’s annual food supply is initially adequate for 4 million people and is... more
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Prealgebra Math

08/12/21

Can someone please help me with this problem? I’m trying to help my younger brother with his homework.
Thirty-eight is 2/5 of what number?(A) 10(B) 95(C) 16(D) 76He got (B) 95. Is he correct?
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Prealgebra

08/12/21

if m = 1/6n, find m (-1/2)
Please help me answer this function
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Prealgebra Math

08/10/21

Can someone please help me with this Pre-Algebra problem? I’m trying to help my younger brother with his homework.
At the picnic, twenty of the 80 students participated in the scavenger hunt. What percent of the students didnot participate in the scavenger hunt?[A] 60% [B] 75%[C] 25% [D] 100%My brother got [C],... more
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Prealgebra Math

08/10/21

For the function y = 1/4x + 3, find the x-value that makes y = -1.
I need to find the x-value of this function.
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08/02/21

write the following numbers in a +bi form

A. (4+4i)/(-4+4i)=B. -3/3i + -4/2i=C. (5i)^3 =
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08/02/21

Projectile Motion
question 1: An object is thrown upward with an initial velocity of 15 feet per second. Its height is given by h= -15t^2 + 60t. After how many seconds does it hit the ground?question 2: A... more
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08/01/21

Rewrite the vector equation 𝐫(𝑡)=(−3+𝑡)𝐢+(1+3𝑡)𝐣+(−5−𝑡)𝐤 r ( t ) = ( − 3 + t ) i + ( 1 + 3 t ) j + ( − 5 − t ) k as the corresponding parametric equations for the line.

Rewrite the vector equation 𝐫(𝑡)=(−3+𝑡)𝐢+(1+3𝑡)𝐣+(−5−𝑡)𝐤 r ( t ) = ( − 3 + t ) i + ( 1 + 3 t ) j + ( − 5 − t ) k as the corresponding parametric equations for the line. x(t)y(t)z(t)
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08/01/21

So the distance from 𝑃=(5,−4,4) P = ( 5 , − 4 , 4 ) to the line through the points 𝐴=(2,5,1) A = ( 2 , 5 , 1 ) and 𝐵=(5,4,−2) B = ( 5 , 4 , − 2 ) is
the distance d of a point P to the line through the points A and B is the length of the component of AP that is orthogonal to AB So the distance from 𝑃=(5,−4,4) P = ( 5 , − 4 , 4 ) to the line... more
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08/01/21

Suppose 𝑢⎯⎯⎯=⟨1,0⟩ u ¯ = ⟨ 1 , 0 ⟩ and 𝑣⎯⎯⎯=⟨2,−3⟩ v ¯ = ⟨ 2 , − 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are

Suppose 𝑢⎯⎯⎯=⟨1,0⟩ u ¯ = ⟨ 1 , 0 ⟩ and 𝑣⎯⎯⎯=⟨2,−3⟩ v ¯ = ⟨ 2 , − 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are ????
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08/01/21

Suppose 𝑢⎯⎯⎯=⟨1,0⟩ u ¯ = ⟨ 1 , 0 ⟩ and 𝑣⎯⎯⎯=⟨2,−3⟩ v ¯ = ⟨ 2 , − 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are

Suppose 𝑢⎯⎯⎯=⟨1,0⟩ u ¯ = ⟨ 1 , 0 ⟩ and 𝑣⎯⎯⎯=⟨2,−3⟩ v ¯ = ⟨ 2 , − 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are ????
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08/01/21

Suppose 𝐵=(8,4) B = ( 8 , 4 ) and 𝐴𝐵−→−=⟨15,1⟩ A B → = ⟨ 15 , 1 ⟩ . Then

Suppose 𝐵=(8,4) B = ( 8 , 4 ) and 𝐴𝐵−→−=⟨15,1⟩ A B → = ⟨ 15 , 1 ⟩ . Then A= ??
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08/01/21

So the distance from 𝑃=(3,−3,3) P = ( 3 , − 3 , 3 ) to the line through the points 𝐴=(−1,−4,0) A = ( − 1 , − 4 , 0 ) and 𝐵=(−3,0,−1) B = ( − 3 , 0 , − 1 ) is

The distance  of a point  to the line through points  A and B is the length of the component AP of  that is orthogonal to AB, as indicated in the diagram.So the distance from 𝑃=(3,−3,3) P = ( 3 , −... more
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08/01/21

Find the distance the point P(-2, 2, 3), is to the plane through the three points Q(-1, 0, 2), R(1, -2, 5), and S(-3, -2, 4).

Find the distance the point P(-2, 2, 3), is to the plane through the three points Q(-1, 0, 2), R(1, -2, 5), and S(-3, -2, 4).
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