11/09/20

The angle of elevation to the top of a tall building is found to be 8° from the ground at a distance of 1.4 mile from the base of the building. Using this information, find the height of the building.
The angle of elevation to the top of a tall building is found to be 8° from the ground at a distance of 1.4 mile from the base of the building. Using this information, find the height of the... more
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11/09/20

magazine cost $12.99 and a three-year subscription cost $25.98the cost and length of the subscription are related write an equation to a model the cost of a subscription for any period of time

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11/09/20

Identify the equation of the line
Identify the equation of the line that is parallel to y=3x-5
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11/09/20

HEEEELPPP GEOMTRtry for no.3
HEEEELPPP GEOMTRY fro No.3Statement/work REasons <1 and <2 are supplementary 1. given <2 and <3 are supplementary 2. linear pair postulate ∠1≅∠3 3. p||q 4. corresponding angles converse
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11/09/20

can you please help me

Determine the domain and range of each relation.18. {(3, −5), (5, 6), (−3, 7), (4, 8), (2, −8)}Domain: {#,#,#,#,#},Range: {#,#,#,#,#},
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11/09/20

Angle in Radians between two vectors
Find the angle 𝜃 (in radians) between the vectors. (Round your answer to two decimal places.) u  =  3i − j v  =  15i − 5j My TI84 calculator keeps giving me errors... can anyone help me... more
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11/08/20

Which of the following is the Cartesian equation for the polar equation r cos θ = 5?

Which of the following is the Cartesian equation for the polar equation r cos θ = 5? (5 points)answer choices y = 5 x = 5 x + y = 5 x - y = 5
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11/08/20

Convert the parametric equations x = 3t, y = t + 7 into a Cartesian equation.
Convert the parametric equations x = 3t, y = t + 7 into a Cartesian equation. (5 points)answer choices y = 3x + 7 y = 3x - 7
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11/07/20

Angle Relationship

The measures of two complementary angles are represented by x + 5 and 4x - 15 Find the value of x.
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11/07/20

What is the half-life of the goo in minutes?
At the beginning of an experiment, a scientist has 348 grams of radioactive goo. After 90 minutes, her sample has decayed to 10.875 grams.A) What is the half-life of the goo in minutes?B)Find a... more
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11/07/20

find all solutions between 0<x<2pi
2cos^2(x) = 3sin(x)+3
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11/07/20

Use a graphing calculator to estimate when the population will exceed 1665.
A population of bacteria is growing according to the equation P(t)=1000e^0.17t.Use a graphing calculator to estimate when the population will exceed 1665.
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11/07/20

A car was valued at $40,000 in the year 1990. The value depreciated to $13,000 by the year 2006. What was the annual rate of change between 1990 and 2006
A car was valued at $40,000 in the year 1990. The value depreciated to $13,000 by the year 2006.A) What was the annual rate of change between 1990 and 2006? (round your answer to 4 decimal... more
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11/07/20

A radioactive substance decays exponentially. A scientist begins with 190 milligrams of a radioactive substance. After 32 hours, 95 mg of the substance remains.
A radioactive substance decays exponentially. A scientist begins with 190 milligrams of a radioactive substance. After 32 hours, 95 mg of the substance remains.How many milligrams will remain... more
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11/07/20

Ciara has a bowl of cereal for breakfast.

Ciara has a bowl of cereal for breakfast. The amount of cereal in the box (y) is determined by the number of days (x) that have passed since she purchased the cereal. What is the rate of change.
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11/07/20

What is the equation of the line that passes through the point (4,7) and has a slope of -1/4
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11/07/20

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros: 4, −5√. Write the function in standard form.
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11/07/20

Every day, Laura's orange juice stand uses 2 bags of oranges. How many days will 4/5 of a bag of oranges last?
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11/06/20

Write the polynomial function in standard form with the given roots. x = −i and x = √6
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11/06/20

find the exact values for all the solutions
sinx= square root2/2 for -2pi<0<2pi
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11/06/20

Given that the zeros are 3, -1, and i√2, what is the polynomial function?

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11/06/20

what is the height of the building?

A surveyor determines that the angle of elevation to the top of a building from a point on the ground is 28 degrees. He then moves back 54.4 feet and determines that the angle of elevation is 21.3... more
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11/06/20

the number of square units in the area of a square is greater than or equal to the number of units in the perimeter of the square.
Which side length of a square provides a counterexample to the given statement? (6) (4) (10) (2)
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11/06/20

Juan is building birdhouses to sell at a craft show. The costs of making the birdhouses are $80 plus an additional $6.25 per birdhouse. Juan has a budget of $150 to prepare for the craft show
I need the expression and the steps to get the answer, this question really confused me
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11/06/20

How to find the standard equation of the circle

has a diameter with endpoints (9/2,4)and (-3/2,-2)
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