17,666 Answered Questions for the topic Algebra

#### A way to measure how well the trendline fits the data is by looking at the sum of the squared residuals.

A way to measure how well the trendline fits the data is by looking at the sum of the squared residuals. When a trendline is close the points on the scatterplot, the residuals are small and so is...
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#### A linear model describes the relatioship between the weight in pounds and the age in months for Great Dane puppies:

A linear model describes the relationship between the weight in pounds and the age in months for Great Dane puppies: Weight = 16.25(age in months) - 9.5. The model was created by using weights for...
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#### How many grams of pumpkin are in 300 mL of a 30% pumpkin juice solution?

How many grams of pumpkin are in 300 mL of a 30% pumpkin juice solution?

Algebra

19d

#### 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

Algebra

19d

#### What number is greater than half of 7 by 11

Algebra

20d

#### 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

Algebra

20d

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

Algebra Rdt

20d

#### 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...
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Algebra Grade 7

20d

#### 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

Algebra

21d

#### 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

22d

#### 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

22d

#### 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.

22d

#### 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.

24d

#### 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 ^^

Algebra

24d

#### 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

Algebra

25d

#### 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?

Algebra

28d

#### 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

29d

#### Algebra Linear Question

The sum of three consecutive numbers is equal to the smallest number multiplied by 4

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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