19,133 Answered Questions for the topic Algebra

03/24/22

What equation should I use to answer this problem? ( nPn = N! or nPr = n! / (n - r)! )
Hello! I am having trouble answering this word problem: Assuming that all 21 contestants are qualified for each of the special awards, in how many ways can the winners for the special awards be... more
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03/24/22

For the values in each table, determine if direct variation exists between the variables. If it does, state the constant of variation.
a). x y -1 -1 4 14 8 26 20 62b). x y -3 3/2 2 -1 15 ... more
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Algebra

03/24/22

how to do y=(1/3)x-1 5x=9y
Please break down in steps.
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03/24/22

Looking Forward, Looking Back, Simplify.
a). (10x3)(5x2)b). (10x3)2c).10x3/5x2
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03/24/22

Simplify each expression using exponent rules. Write each answer in scientific notation.
a). (3x104)(6x106)(2x108)b). (1x1011)(7x105)2/7x104
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03/24/22

Answer true or false for each statement.
a). If a number in scientific notation has a negative exponent, then the number is negative.b). A number that is at least 1 but less than 10 cannot be written in scientific notation.c). A negative... more
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03/24/22

Convert to scientific notation.
Convert to scientific notation.a). -0.0001b). 52x104
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03/24/22

Please help me to solve this.
a). Convert $1 from U.S. dollars to euros to pounds to yen.b). Convert $1 directly (in one step) from U.S. dollars to yen.c). Are answers from parts a and b exactly equal? If not, what could... more
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03/24/22

Convert 25 cubic yards to cubic inches.
Convert 25 cubic yards to cubic inches.
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03/24/22

Convert 20 mph to kilometers per minute.
Convert 20 mph to kilometers per minute.
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Algebra Geometry

03/24/22

Write an equation of the line that is parallel to 4x−10y=−90 and passes through point (27.5,−5).
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Algebra

03/24/22

plz help me on my homework
The time it takes to complete a go-cart course is inversely proportional to the average speed of the go-cart. One rider has an average speed of 73.3 feet per second and completes the course in 30... more
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Algebra

03/24/22

Equation of the circle

A Ferris wheel has a radius of 31.3 feet. The center of the Ferris wheel is 37.4 feet above the platform from which riders board, as demonstrated in the following sketch. Assuming that the x-axis... more
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03/23/22

Find cos0 if tan0 = 5 and sin0 < 0
Find cos0 if tan0 = 5 and sin0 < 0
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Algebra

03/23/22

(4,1),(8,2) slope-intercept form

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Algebra

03/23/22

The length of a picture frame is 4 inches shorter than the width. If the perimeter is 44 inches, what is the length (L) and width (w) or the frame?
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Algebra Math

03/23/22

For the point P (-16, 25) and Q (-11, 28) find the distance d (P, Q) and the coordinates of the midpoint M of the segment PQ.
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03/23/22

h(t)=−16t2+96t+32
A baseball player throws a ball into the air with an initial vertical velocity of 96 feet per second. The ball is released at a height of 32 feet. The equation h(t)=−16t2+96t+32 models the height... more
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Algebra

03/23/22

A pizzeria uses the equation c= 2Xt+ 6 to find the cost, c, in dollars of a pizza with t toppings. How many toppings are on a pizza that costs 14 dollars?A. 10 B. 6 C. 4 D. 1

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Algebra Linear Algebra

03/23/22

Proof that an algebraic structure is a vector space.
Let R+ be the set of all real numbers that are strictly positive. Let x and y be two elements of R+ and let c be any real number. Define the sum of elements of R+ asx "+" y = xy (multiplication of... more
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03/23/22

How do I know if, for example, a line goes through the points (3,15) and (5,6)? How do I know if there's an exponential function that goes through these two points?
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03/23/22

In an arithmetic sequence with a₁=-24 and d=8​, which term is ​32?
In an arithmetic sequence with a₁=-24 and d=8​, which term is ​32?
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03/22/22

In an arithmetic sequence with a1=-24 and d=8​, which term is ​32?
In an arithmetic sequence with a1=-24 and d=8​, which term is ​32?
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Algebra Math Easy

03/22/22

I need help please it is important

An ice sculpture is used as a centerpiece at a banquet. Once the sculpture is removed from the freezer, it begins to melt. The height of the sculpture can be represented by the function... more
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03/22/22

Simplify the expression using exponent rules. Write the answer in scientific notation.

Simplify the expression using exponent rules. Write the answer in scientific notation.(6x107)(8x106)(9x108)
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