Start your trial now! First week only $4.99!*arrow_forward*

Question

Find all real solutions of the equation 7n^{2}=28.

Tagged in

Math

Algebra

Find answers to questions asked by students like you.

Q: Check whether the relation R defined in the set {1, 2, 3, 4, 5, 6} asR = {(a, b) : b = a + 1} is ref...

A: Given, relation R defined in the set {1, 2, 3, 4, 5, 6} as R = {(a, b) : b = a + 1}.

Q: At a recent motorcycle rally, the number of men exceeded the number of women by 216. If x represent ...

A: Given,The number of men exceeded the number of women by 216 and x represents the number of women.

Q: Are f and g both necessarily onto, if gof is onto?

A: Given: f and g are two functions and gof is onto.

Q: Domain

A: Given function

Q: sixty miles/hour is how many ft/second?

A: 1 mile = 5280 feet 1 hour = 3600 seconds

Q: Find the equations of the planes containing the following points in space. (a) (2, -5, – 1), (0, 4,...

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question...

Q: Let f : W → W be defined as f(n) = n – 1, if n is odd and f(n) = n + 1, if n is even. ...

A: Given that f(n) = n – 1, if n is oddand f(n) = n + 1, if n is even.If n is odd then (n-1) is even n...

Q: Perform Each Division using long division process 6p4-15p3+14p2- 5p+10 /3p2+1

A: Click to see the answer

Q: Question is in photo, thanks!

A: Given:

Q: If A and B are square matrices of the same order such that AB = BA, then prove by induction that ABn...

A: Given : If A and B are square matrices of the same order such that AB = BA, then prove by induction ...

Q: The quadratic formula is used to solve for x in equations taking the form of a quadratic equation, a...

A: Solve the given expression for x as follows.

Q: What are the coordinates of the vector 0 in the Euclidean plane that satisfies condition - "There ex...

A: The co-ordinates of the 0 vector in the Euclidean plane is

Q: Function Composition Given the function f(x) = e - 2 and the function g(x) = 9x? + 5x + 4 determine ...

A: Given, functions

Q: Find an equation for the linear function which has y-intercept -4 and x-intercept 7.

A: The x-intercepts are where the graph crosses the x-axis or y coordinate is zero and at the y interce...

Q: Hello I need some help solving number 45

A: Click to see the answer

Q: Identify the measures of a positive angle and a negative angle that are coterminal withe =162°. a. p...

A: Given angle is

Q: Show that the function f : R → R,defined as f(x) = x2 , is neither one-one nor onto.

A: We will show this by counter examples.Let x= 2 and -2 Then f(2)= 2^2 = 4 and f(-2)= (-2)^2 = 4 This ...

Q: Find the real or imaginary solutions to each equation by using the quadratic formula x^2=6x-13

A: Given:

Q: there are 2/5 as many fiction books as there are non fiction books. there are 56 books in the school...

A: Given:Total number of books in library is 56.

Q: Write the decimal three and one thousand nine hundred seventy-eight ten-thousandths using numbers. t...

A: Three and one thousand nine hundred seventy-eight ten-thousandths?

Q: Find an equation of the line containing the point (-5,1) and perpendicular to the line -2x=3-4y.

A: We have given the line -2x=3-4y.Find its slope.

Q: Solve for y 19y-4y+23= 8y-19

A: In first step, put this equation in the standard form that is variables on one side of equality and ...

Q: solve for w 6w+5=8w+11

A: In first step, put this equation in the standard form that is variables on one side of equality and ...

Q: The length of a rectangular pool is 4 meters less than twice the width. If the pool's perimeter is 1...

A: Given:The length of a rectangular pool is 4m less than twice the width. Perimeter of pool is 112m.Le...

Q: Find the value of y: logy32=5

A: Given, expression

Q: Solve the rational equation

A: Click to see the answer

Q: Find the real or imaginary solutions to each equation by using the quadratic formula 2x^2-3=0

A: Given,

Q: Show that the midpoint of the line segment joining the points (a, b) and (c,d) is ((a + c)/2, (b + d...

A: Mid point formula is:

Q: the distance from santa maria to los alamos is 16.25 miles. what is the distance in cm

A: Given:

Q: solve for y -5y+6=-12y+62

A: Click to see the answer

Q: How to solve the following word problem on sets, include using Venn diagram? A survey of 300 parks s...

A: Let us denote hiking= H , Camping = C , Picnicing = PWe draw three intersecting sets

Q: Question in photo

A: given:

Q: In any vector space V, show that (a + b)(x + y) = ax + ay + bx + by for any x, y e V and any a, be F...

A: In any vector space V, show that (a+b)(x+y)=ax+ay+bx+by for any x,y belong to V and any a,b belong t...

Q: Nathan drives 16 miles per hour slower than penelope. They started at the same spot, and drove in op...

A: Let the speed of Nathan be x. Then the speed of Penelope is 16 + x. Distance travelled by both in 5....

Q: Time at top speed/head start needed for the rhinoceros? With equation.

A: Given:

Q: A payday loan provides short-term loans ranging from $250 to $2,000. Assume the cost of the loan is ...

A: Given:A payday loan provides short term loans ranging from $250 to $2000. The cost of the loan is $1...

Q: I don't know how to set up an equation for this kind of problem...

A: Given:Two persons start with same amount and save for vacation for the same number of weeks.One pers...

Q: How do you answer 18? Step by step, please, with the correct terms.

A: Consider the given vertices.

Q: Translate the sentence into a equation The sum of 4 times a number and 5 is 3

A: To find: -

Q: Let f : {1, 2, 3} → {a, b, c} be one-one and onto function given by f(1) = a, f(2) = b and f(3) = ...

A: Consider

Q: Physical therapy increases a client's pulse rate. The client's rate before the physical therapy was ...

A: We have given Client’s rate before the physical therapy was 60 beats per minute.At the completion of...

Q: The sine of ois ; and the cosine of a is -. Which is the cotangent 2 of o ? 2 2 в 3 D -3

A: Given that:

Q: Find gof and fog, if(i) f(x) = | x | and g(x) = | 5x – 2 |(ii) f(x) = 8x3 and g(x) = x1/3.

A: Consider(i) f(x) = | x | and g(x) = | 5x – 2 |

Q: Double a number, minus the sum of the number and two

A: Let the number is xDouble the number is 2x

Q: Simone got 3/4 of a full bar of chocolate. Hank was supposed to get 1/4 of the full chocolate bar, b...

A: Given, Simone got 3/4 of a full bar of chocolate. Hank was supposed to get 1/4 of the full...

Q: A thief grabbed a cell phone and ran at a speed of 6 mps. When he was 20 meters down the road a poli...

A: A thief grabbed a cell phone and ran at a speed of 6 mps. When he was 20 meters down the road a poli...

Q: Let f : {2, 3, 4, 5} → {3, 4, 5, 9} and g : {3, 4, 5, 9} → {7, 11, 15} be functions defined as f(2) ...

A: Given f : {2, 3, 4, 5} → {3, 4, 5, 9} and g : {3, 4, 5, 9} → {7, 11, 15}f(2) = 3, f(3) = 4, f(4) = f...

Q: what is the greatest common factor of 20p^4y^3, 30p^6y^5 and 60p^9y^4

A: Given:

Q: A 30lb person who runs at 6mph for 1 hour burns 720 calories. The same person, walking at 4mph for 9...

A: Number of calories a 130lb person burns while running at 6mph for 75 minutes is.

Q: what is $31.54 in U.S Dollar in Canadian dollars. $1 U.S Dollar = $1.32 Canadian Dollar what is $246...

A: Obtain the conversion as follows.