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Algebra 1

05/17/23

Exponential decay

Doctors can use radioactive chemicals to treat some forms of cancer. The half life of a certain chemical is 8 days A patient receives a treatment of 12 millicuries of the chemical (A millicurie is... more

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Algebra 1

05/17/23

Exponential decay

Doctors can use radioactive chemicals to treat some forms of cancer. The half de of a certain chemical is 7 days. A patient receives a treatment of 24 millicuries of the chemical (A milicurie is a... more

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Algebra 1

05/17/23

The kilopascal is a unit of measure for atmospheric pressure Suppose the atmospheric air pressure at sea level is about 102 kilopascals. For every 1000-m increase in altitude,

The kilopascal is a unit of measure for atmospheric pressure Suppose the atmospheric air pressure at sea level is about 102 kilopascals. For every 1000-m increase in altitude, the pressure... more

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Algebra 1

05/17/23

Exponential decay

The kilopascal is a unit of measure for atmospheric pressure Suppose the atmospheric air pressure at sea level is about 102 kilopascals. For every 1000-m increase in altitude, the pressure... more

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Algebra 1

05/17/23

Need help solving this problem

A man sold four times as many tied dyed t-shirts as silk screen shirts he sold 230 shirts all together how many tie-dyed shirts did he sell

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Algebra 1

05/17/23

Algebraic Expressions

Issa rents a car for a work trip. The rental fee is $200 in total. She also decides to purchase the insurance, which is $18 per day.Select the expression that will help her determine what the total... more

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Algebra 1

05/17/23

math question percentages of orange juice

How much of a(n) 70% orange juice drink must be mixed with 18 gallons of a 10% orange juice drink to obtain a mixture that is 50% orange juice?

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Algebra 1

05/16/23

I need help with this.

An air traffic controller is tracking two planes. To start, plane A was at an altitude of 970 meters, and plane B was at an altitude of 1438 meters. Plane A is losing altitude at 17 meter per... more

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Algebra 1

05/16/23

The length of a rectangle is 6 in longer than its width. If the perimeter of the rectangle is 64 in, find its length and width.

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Algebra 1

05/16/23

if 49% of the sum is 1000000 what is the 100%

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Algebra 1 Math

05/15/23

calculating basic probability

Given a bag with 20 marbles, if 6 are red and 9 are blue and 5 are green. What is the probability of picking a green marble on your first try? (Write the probability as a percentage)

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Algebra 1 Math Algebra 2 Calculus

05/14/23

Can someone help me with this math calculation problem please

Sean's exam grades:Exam 1- 74.29%Exam 2- 71.43%Exam 3- 65.71%Exam 4- 65.71%** Exams are worth 75% of Sean's grade, weighing the lowest score 50% relative to the other threeSean's Discussion grade... more

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Algebra 1 Algebra 2 Calculus Geometry

05/14/23

Can someone help me with this math calculation problem please

Sean's exam grades:Exam 1- 74.29%Exam 2- 71.43%Exam 3- 65.71%Exam 4- 65.71%** Exams are worth 75% of Sean's grade, weighing the lowest score 50% relative to the other threeSean's Discussion grade... more

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Algebra 1

05/13/23

Find the measures of the supplementary angles.

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Algebra 1

05/12/23

graph the function f(x)=ax2+bx+c. could the factors of f(x) be (x+2) and (x-3)? based on the graph, explain why or why not.

graph the function f(x)=ax2+bx+c.could the factors of f(x) be (x+2) and (x-3)? based on the graph, explain why or why not.

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Algebra 1 Math Algebra 2 Calculus

05/12/23

The location, given in polar coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes

The location, given in polar coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes. (Simplify your answer. Round the final answer to three... more

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> (Round to three decimal places as needed.)

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> (Round to three decimal places... more

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Algebra 1 Math Algebra 2 Calculus

05/12/23

An airplane is flying on a compass heading (bearing) of 330° at 320 mph. A wind is blowing with the bearing 300° at 40 mph.

An airplane is flying on a compass heading (bearing) of 330° at 320 mph. A wind is blowing with the bearing 300° at 40 mph. (a) Find the component form of the velocity of the airplane.... more

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Find a unit vector in the direction of the given vector. v=<5,10> (Type your answer in the form ai + bj. Simplify your answer. Type an exact answer, using radicals as needed.)

Find a unit vector in the direction of the given vector.v=<5,10>(Type your answer in the form ai + bj. Simplify your answer. Type an exact answer, using radicals as needed.)

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Prove the identity. cos3x=4cos3x−3cosx

Prove the identity.cos3x=4cos3x−3cosx

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Find the vector projection of u onto v. Then write u as the sum of two orthogonal vectors, one of which is projvu. u=〈−2,3〉, v=〈5,6〉

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Find an equation in standard form for the hyperbola that satisfies the given conditions. Foci (−5,5) and (3,5), transverse axis endpoints (−4,5) and (2,5).

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Find an equation in standard form for the ellipse that satisfies the given conditions. Minor axis endpoints (0,±5), major axis length 14

Find an equation in standard form for the ellipse that satisfies the given conditions.Minor axis endpoints (0,±5), major axis length 14

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Algebra 1 Math Algebra 2 Calculus

05/12/23

Prove that the graph of the equation is a parabola, and find its vertex, focus, and directrix. x^2+2x−y+2=0

Prove that the graph of the equation is a parabola, and find its vertex, focus, and directrix.x^2+2x−y+2=0

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Algebra 1

05/12/23

for his phone service, miguel pays a monthly fee of $29, and ge pays an additional $0.07 per minute of use. the least he has been charged in a month is $110.48

Write as an inequality

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Exponential decay

Exponential decay

The kilopascal is a unit of measure for atmospheric pressure Suppose the atmospheric air pressure at sea level is about 102 kilopascals. For every 1000-m increase in altitude,

Exponential decay

Need help solving this problem

Algebraic Expressions

math question percentages of orange juice

I need help with this.

The length of a rectangle is 6 in longer than its width. If the perimeter of the rectangle is 64 in, find its length and width.

if 49% of the sum is 1000000 what is the 100%

calculating basic probability

Can someone help me with this math calculation problem please

Can someone help me with this math calculation problem please

Find the measures of the supplementary angles.

graph the function f(x)=ax2+bx+c. could the factors of f(x) be (x+2) and (x-3)? based on the graph, explain why or why not.

The​ location, given in polar​ coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> ​(Round to three decimal places as​ needed.)

An airplane is flying on a compass heading​ (bearing) of 330° at 320 mph. A wind is blowing with the bearing 300° at 40 mph.

Find a unit vector in the direction of the given vector. v=<5,10> ​(Type your answer in the form ai​ + bj. Simplify your answer. Type an exact​ answer, using radicals as​ needed.)

Prove the identity. cos3x=4cos3x−3cosx

Find the vector projection of u onto v. Then write u as the sum of two orthogonal​ vectors, one of which is projvu. u=〈−2​,3〉​, v=〈5​,6〉

Find an equation in standard form for the hyperbola that satisfies the given conditions. Foci ​(−5​,5​) and ​(3​,5​), transverse axis endpoints ​(−4​,5​) and ​(2​,5​).

Find an equation in standard form for the ellipse that satisfies the given conditions. Minor axis endpoints ​(0,±5​), major axis length 14

Prove that the graph of the equation is a​ parabola, and find its​ vertex, focus, and directrix. x^2+2x−y+2=0

for his phone service, miguel pays a monthly fee of $29, and ge pays an additional $0.07 per minute of use. the least he has been charged in a month is $110.48

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The location, given in polar coordinates, of two planes are (5 mi, 14°) and (3 mi, 65°). Find the distance between the airplanes

Use an algebraic method to find the angle between the vectors. Use a calculator to approximate exact answers when appropriate. u=<−15,−8> and v=<-1,5> (Round to three decimal places as needed.)

An airplane is flying on a compass heading (bearing) of 330° at 320 mph. A wind is blowing with the bearing 300° at 40 mph.

Find a unit vector in the direction of the given vector. v=<5,10> (Type your answer in the form ai + bj. Simplify your answer. Type an exact answer, using radicals as needed.)

Find the vector projection of u onto v. Then write u as the sum of two orthogonal vectors, one of which is projvu. u=〈−2,3〉, v=〈5,6〉

Find an equation in standard form for the hyperbola that satisfies the given conditions. Foci (−5,5) and (3,5), transverse axis endpoints (−4,5) and (2,5).

Find an equation in standard form for the ellipse that satisfies the given conditions. Minor axis endpoints (0,±5), major axis length 14

Prove that the graph of the equation is a parabola, and find its vertex, focus, and directrix. x^2+2x−y+2=0