19,133 Answered Questions for the topic Algebra

Algebra

01/07/22

Given that x varies inversely as the cube of y and that x=24 when y=3,
i) what is the relationship connecting x and yii) Find the value of x when y=2iii) Find the value of y when x=10 1/8
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Algebra

01/07/22

What number is greater than half of 7 by 11
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Algebra

01/07/22

Use the explicit or recursive formulas for the geometric sequence 45, 135, 405, 1215, 3645, ... to find the sum of the first 9 terms of the sequence.
I NEED ASAP PLEASE HELPPPP
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Algebra

01/07/22

The point (-7,r) and (9,2) lie on a line with slope -3/2. Find the missing coordinate r.
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Algebra Rdt

01/06/22

Two airplanes Leave the airport at the same time opposite directions but one is slower.
Two airplanes leave an airport at the same time and travel in opposite directions. One plane travels 67 kmh slower than the other. If the two planes are 13,176 kilometers apart after 8 hours, what... more
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Algebra

01/06/22

3x + y = -8, -2 - y = 6
Please solve by substitution
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Algebra Grade 7

01/06/22

calculate the unite rate for machine A and B. determine with is greter rate.
Machine A covers 5/4square feet in 1/4hour or machine B covers 2/3feet in 1/5 Hour
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01/06/22

34c−14c+3=7 what is c
34c−14c+3=7 what does c equal
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Algebra

01/05/22

Given that c=2πr and a=πr^2, show that a=(c^2)/4π
I know this pertains to changing the subject but am really struggling with this one
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01/05/22

ALGEBRA HELP!!!The expression x^2-bx-c / x+b simplifies to x-6 whats the value of b?
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01/05/22

ALGEBRA 1 HELP!!!!! is the GCF of 12x^3y^5 and 2x^2y^7
and what is the LCM of 6x^2y^3 and 10x^3y
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01/05/22

ALGEBRA 1 HELP!! Andrea buys 4 bags of granola and 3 bags of dried fruit. She spends $51.50. Carter buys 2 bags of granola and 4 bags of dried fruit and spends $45.50
Write and solve a system of equations to determine the cost of a bag of granola and the cost of a bag of fruit.
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01/05/22

ALGEBRA 1 HELPP!! Armand needs to buy more than 60 yards of fabric, in total to compare a art project.
HE will buy x yards of cotton fabric and silk fabric. Cotton costs $5 per yard and silk costs $10 per yard. He can spend at most $400 Write 2 inequalities.
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Algebra

01/04/22

The sum of 18 times b and 5
Okay so I don’t understand this question OwO
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Algebra

01/04/22

Which two numbers should come next in the sequence? 11, 24, 21, 34,
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01/03/22

The fuel for certain two cycle engine is a mixture of 8 parts gasoline and 2 parts oil. How many gallons of gasoline are needed to make 2o gallons of fuel ?
Please solve this one in detail with an explanation for me ^^
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Algebra

01/03/22

If x varies directly as y raised to the power of 2 and y=3 when x=18, find:
i) the equation connecting x and yii) the value of x when y=5iii) the value of y when x=98
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Algebra

01/01/22

Sean cuts a board that is 3/4 yard long into pieces that are 1/8 yard long. How many pieces does he cut?
Sean cuts a board that is 3/4 yard long into pieces that are 1/8 yard long. How many pieces does he cut?
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Algebra

12/30/21

Find a point on the line y = 2x − 3 that is 5 units from the x-axis
Find a point on the line y = 2x − 3 that is 5 units from the x-axis
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12/29/21

Algebra Linear Question
The sum of three consecutive numbers is equal to the smallest number multiplied by 4
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12/28/21

Linear Algebra question
Identify the property illustrated in: If x + 5 = 6, then 3x + 15 = 18?
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Algebra Math

12/28/21

If c^4 - c + 1 = 0, then c^5 + c^(-5) = ?
Please help. So far, I've only gotten to c(c - 1)(c^2 + c + 1) = -1 and can't find a way to convert the second equation in an useful form.
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Algebra

12/27/21

Prove that it is impossible to maximize the sum of two real numbers if their product is 4.
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Algebra

12/27/21

Two police patrol cars with radars are 5 miles apart on a highway.
As a car passes the first patrol car, its speed is clocked at 55 miles per hour. Four minutes later, when the car passes the second patrol car, its speed is clocked at 50 miles per hour. Prove that... more
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Algebra

12/27/21

Some radioactive substance has a half-life of 5730 years. What is its decay constant?
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