92 Answered Questions for the topic Homework

1d

#### Precalculus Homework Help Please

Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 90 degrees and the low temperature of 80 degrees occurs at 6 AM....
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2d

#### precalculus homework

Find a possible formula for the trigonometric function whose values are in the following table.x 0 2 4 6 8 10 12y0 -4 -8 -4 0 -4 -8y=we didn't go over this in class so I'm really lost with it.

Homework Precalculus

2d

#### Precalculus homework

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 86 degrees occurs at 4 PM and the average temperature for the day is 75 degrees....
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05/20/21

#### Urgent!!! Help (Experimental Psych) im so confused with what should i use

Identify what is the experimental design for each of the scenarios, and/or identify the appropriate statistical test to be used. Choose from the options. Case 1: A team of psychologists is...
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05/03/21

#### Having trouble solving

The difference between two numbers is 72. Twice the smaller increased by the larger is 54. Determine the numbers

#### Calculate the horizontal component of the net force, in newtons, on the charge which lies at the lower left corner of the rectangle.

Four point charges of equal magnitude Q = 55 nC are placed on the corners of a rectangle of sides D1 = 21 cm and D2 = 11 cm. The charges on the left side of the rectangle are positive while the...
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03/10/21

#### If B=x−1 and A=3x2−x+1 find an expression that equals 2B - 2A in standard form

Algebra homework that I'm stuck on

03/10/21

#### If B=x−1 and A=3x2−x+1 find an expression that equals 2B - 2A in standard form

Algebra homework that I'm stuck on

#### Given <BCA is congruent to <EFD, segment BA is perpendicular to segment AD, segment ED is perpendicular to segment AD, and segment AC is congruent to segment DF.

Given <BCA is congruent to <EFD, segment BA is perpendicular to segment AD, segment ED is perpendicular to segment AD, and segment AC is congruent to segment DF.Prove: segment BC is congruent...
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03/06/21

#### Daniel had $25 to spend at the fair. The admission to the fair is $4 and each ride costs $1.50.

I need help on this for homework

#### Math Problem.] x1

A rectangular room is 2 times as long as it is wide, and its perimeter is 30 meters. Find the dimension of the room.Find length, and width please.

#### sin (theta+48°) = cos 2theta. What is the second step to find theta? What does theta equal?

Any help with this would be greatly appreciated.

12/17/20

#### Chemistry Dynamic Equilibrium - HELP

I don't understand this chart, but based on the question itself I assume either increasing or decreasing the temperature, decreasing the pressure, and increasing or decreasing the concentration of...
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Homework Geometry

12/12/20

#### Geometry Homework

Hello! I am working on a homework sheet and it asks to construct a rectangle whose width is half of its length. I need to know a step-by-step list in order to construct this rectangle.

12/05/20

#### How to find the plane to the surface with parametric equations below?

Find the tangent plane to the surface with parametric equations x(u,v)=u2+2u, y(u,v)=3v-2u, z(u,v)=6v-10 at point (8,14,2).

Homework Chemistry

12/01/20

#### Chemistry 1 Electrons

Draw the electric field lines between two negatively charged particles. According to Coulomb's law, how would the electrical force between these particles change if they were moved farther...
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Homework Mathematics

11/08/20

#### What two integers have a sum of -19 and a product of 84?

Someone please help I am so confused right now

#### The distance between each street and each avenue is one block. Each block is 2 miles. You drive on Broadway from A to B in a car that uses 24 mpg. Approximately how many gallons did you use?

The distance between each street and each avenue is one block.Each block is 2 miles.You drive on Broadway from A to B in a car that uses 24 mpg.Approximately how many gallons did you use?It's a...
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09/11/20

#### If you burn 33.7g of hydrogen and produce 301g of water, how much oxygen reacted?

In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.Hydrogen + Oxygen —> WaterIf you burn 33.7g of hydrogen and produce 301g of water, how much...
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09/01/20

#### find the average rate of change of each function on the interval specified for real numbers

p(x)=3x+4 on [2,2+h]
a(t)=1/t+4 on [9, 9+h]
j(x)=3x^3 on [1,1+h]
f(x)= 2x^2-3x on [x,x+h]
I cannot find any help regarding these questions. I am not sure on the steps it takes to complete them.

#### What is the answer to this?

Solve the system by substitution. Tell whether the system has one solution, infinitely many solutions, or no solutions. 4x + 2y = 7 y = -2x + 3.5

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