Question

Find all real solutions of the equation 7n2=28.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Algebra

Numbers

Related Algebra Q&A

Find answers to questions asked by students like you.

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.