20,417 Answered Questions for the topic Algebra

Algebra

08/02/21

f(x)=-x+1 Evaluate f(x+h)
f(x)=-x+1 Evaluate f(x+h)
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Algebra

08/02/21

Intersection of Functions

There is a cubic equation y=ax^3+bx^2+cx+d and a linear equation y=mx+n, where at a point (-1,14), the linear equation is tangent to the cubic equation and they also intersect at point (2,17). What... more
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08/01/21

Rewrite the vector equation 𝐫(𝑑)=(βˆ’3+𝑑)𝐒+(1+3𝑑)𝐣+(βˆ’5βˆ’π‘‘)𝐀 r ( t ) = ( βˆ’ 3 + t ) i + ( 1 + 3 t ) j + ( βˆ’ 5 βˆ’ t ) k as the corresponding parametric equations for the line.

Rewrite the vector equation 𝐫(𝑑)=(βˆ’3+𝑑)𝐒+(1+3𝑑)𝐣+(βˆ’5βˆ’π‘‘)𝐀 r ( t ) = ( βˆ’ 3 + t ) i + ( 1 + 3 t ) j + ( βˆ’ 5 βˆ’ t ) k as the corresponding parametric equations for the line. x(t)y(t)z(t)
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Algebra Math Calculus

08/01/21

Math problem need help
A varies directly with B. If A = 72 when B = 90, find A when B = 190.
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Algebra Math Calculus

08/01/21

Need help with converting math
Use unit multipliers to convert 335 miles per hour to feet per second. Round your answer tothe nearest hundredth.
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Algebra Math Calculus

08/01/21

I NEED HELP CONVERTING MATH
Use unit multipliers to convert 208 miles per hour to feet per second. Round your answer tothe nearest hundredth
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Algebra Math Calculus

08/01/21

Plz help me convert
Use three unit multipliers to convert 45 feet to meters
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Algebra Math Calculus

08/01/21

I need help with a math word problem

Marian peeked around the bush and spied 850 gnomes gatheredin the glen. If this was 70 percent more than Harmony spied under the tree, how many gnomesdid Harmony spy?
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Algebra Math Calculus

08/01/21

MATH WORD PROBLEM
The advertisement of the super blow-out sale caused the number of shoppers to increase by340 percent. If 260 shoppers were there before the advertisement, how many were there afterthe advertisement?
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Algebra Math Calculus

08/01/21

Math word problem can someone plz help me

Two and one half percent of the students wore sweaters today. If there were 880 students atschool today, how many were wearing sweaters? [A] 22 students [B] 220 students [C] 229students [D] 2
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Algebra Math Calculus

08/01/21

Math word problem can someone plz help me

Two and one half percent of the students wore sweaters today. If there were 880 students atschool today, how many were wearing sweaters? [A] 22 students [B] 220 students [C] 229students [D] 2
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Algebra Math Calculus

08/01/21

Math word problem plz help
The sun coming out from behind the clouds caused the number of people swimming toincrease by 330 percent. If 390 swimmers were there before the sun came out, how manywere there after the sun came out? more
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08/01/21

Suppose π‘’βŽ―βŽ―βŽ―=⟨1,0⟩ u Β― = ⟨ 1 , 0 ⟩ and π‘£βŽ―βŽ―βŽ―=⟨2,βˆ’3⟩ v Β― = ⟨ 2 , βˆ’ 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are

Suppose π‘’βŽ―βŽ―βŽ―=⟨1,0⟩ u Β― = ⟨ 1 , 0 ⟩ and π‘£βŽ―βŽ―βŽ―=⟨2,βˆ’3⟩ v Β― = ⟨ 2 , βˆ’ 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are ????
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08/01/21

Suppose π‘’βŽ―βŽ―βŽ―=⟨1,0⟩ u Β― = ⟨ 1 , 0 ⟩ and π‘£βŽ―βŽ―βŽ―=⟨2,βˆ’3⟩ v Β― = ⟨ 2 , βˆ’ 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are

Suppose π‘’βŽ―βŽ―βŽ―=⟨1,0⟩ u Β― = ⟨ 1 , 0 ⟩ and π‘£βŽ―βŽ―βŽ―=⟨2,βˆ’3⟩ v Β― = ⟨ 2 , βˆ’ 3 ⟩ are two vectors that form the sides of a parallelogram. Then the lengths of the two diagonals of the parallelogram are ????
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08/01/21

Find the point at which the line ⟨0,4,βˆ’4⟩+π‘‘βŸ¨4,5,βˆ’3⟩ ⟨ 0 , 4 , βˆ’ 4 ⟩ + t ⟨ 4 , 5 , βˆ’ 3 ⟩ intersects the plane βˆ’π‘₯+𝑦+𝑧=βˆ’10 βˆ’ x + y + z = βˆ’ 10 .

Find the point at which the line ⟨0,4,βˆ’4⟩+π‘‘βŸ¨4,5,βˆ’3⟩ ⟨ 0 , 4 , βˆ’ 4 ⟩ + t ⟨ 4 , 5 , βˆ’ 3 ⟩ intersects the plane βˆ’π‘₯+𝑦+𝑧=βˆ’10 βˆ’ x + y + z = βˆ’ 10 .
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Algebra Maths

08/01/21

finding the area of a picture frame
14) A picture frame has a total length and breadth of 20cm and 10cm. The frame has a width of x cm.a) find the rule for the area (A cm^2) of the picture inside. 14, a has already been... more
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Algebra Math Calculus

07/31/21

Math word problem plz help
Olivia needs to mix paint and paint thinner to paint her house. It takes 20 liters of paint to prepare 25 liters ofmixture. How many liters of paint thinner would Olivia need to prepare a mixture... more
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Algebra Math Calculus

07/31/21

Math world problem plz help
There are 42 trees in a garden. The ratio of pear trees to apple trees is 1:13. How many apple trees are there?
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Algebra Math Calculus

07/31/21

Math word problem i need help

Emma rode 8 times as fast as Emily. In fact, she rode 48 kilometers in 4 hours less than it took Emily to ride 36 miles. How fast did each of them ride? How long did they ride?
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Algebra Math Calculus

07/31/21

Math word problem plz help me out

Julia traveled 360 kilometers to get to underground caves. On her way home, she traveled twice as fast. What was Julia's average speed on the way to the caves and on the way back home if the total... more
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Algebra Math Calculus

07/31/21

I need help math word problem

A tiger is known to chase its target at a speed of 50 mph. Today, a tiger has found his prey among a herd of wild cattle. The wild cow was a quarter of a mile ahead and running at an average speed... more
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Algebra Math Calculus

07/31/21

Math word problem plz help me out

Sarah wanted to catch Jim. However, although they started at the same time, Jim traveled at 80 km/h and Sarah traveled at 120 km/h. How much of a head start did Jim have if it took three hours for... more
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Algebra Math Calculus

07/31/21

Math word problem plz help me out

A jewelry box contains 6 gemstones:Β moldavites, amber, and amethysts. TheΒ moldaviteΒ stones weigh 2 grams and cost 25 dollars, the amber stones weigh 5 grams and cost 20 dollars and the amethyst... more
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Algebra Math Calculus

07/31/21

Math word problem plz help me out

Emma rode 8 times as fast as Emily. In fact, she rode 48 kilometers in 4 hours less than it took Emily to ride 36 miles. How fast did each of them ride? How long did they ride?
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Expert Answers •1
Algebra Math Calculus

07/31/21

I have a math word problem

Julia traveled 360 kilometers to get to underground caves. On her way home, she traveled twice as fast. What was Julia's average speed on the way to the caves and on the way back home if the total... more
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