1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Musya8 [376]
3 years ago
5

One number is 2 more than another. The difference between their squares is 20. What are the numbers?

Mathematics
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

let x=one number =

x-2= another number

x²- (x-2)²=20

x²-x²-4x+4=20

-4x=20-4

-4x=16

x=16/-4

x=-4

one number is -4

x-2

-4-2

=-6

the another number is -6

You might be interested in
In the figure above line m is parallel to line n.
enot [183]

<u>Given</u>:

Line m is parallel to line n.

The measure of ∠1 is (4x + 15)°

The measure of ∠2 is (9x + 35)°

We need to determine the measure of ∠1

<u>Value of x:</u>

From the figure, it is obvious that ∠1 and ∠2 are linear pairs.

Thus, we have;

\angle 1+\angle 2=180^{\circ}

Substituting the measures of ∠1 and ∠2, we get;

4x+15+9x+35=180

             13x+50=180

                     13x=130

                        x=10

Thus, the value of x is 10.

<u>Measure of ∠1:</u>

The measure of ∠1 can be determined by substituting x = 10 in the measure of ∠1

Thus, we have;

\angle 1 =4(10)+15

    =40+15

\angle 1=55^{\circ}

Thus, the measure of ∠1 is 55°

7 0
3 years ago
Mr. and Mrs. Carlo want to buy a new car, but they do not have enough money in their bank account to pay the entire cost after t
sweet-ann [11.9K]
The answer is B. They get a loan and pay each month, because then they have time to get the money to pay it back while still getting the car.
6 0
3 years ago
the x and y axis are tangent to a circle with radius 3 units. write a standard equation of the circle.
Mekhanik [1.2K]

Given:

The x and y axis are tangent to a circle with radius 3 units.

To find:

The standard form of the circle.

Solution:

It is given that the radius of the circle is 3 units and x and y axis are tangent to the circle.

We know that the radius of the circle are perpendicular to the tangent at the point of tangency.

It means center of the circle is 3 units from the y-axis and 3 units from the x-axis. So, the center of the circle is (3,3).

The standard form of a circle is:

(x-h)^2+(y-k)^2=r^2

Where, (h,k) is the center of the circle and r is the radius of the circle.

Putting h=3,k=3,r=3, we get

(x-3)^2+(y-3)^2=3^2

(x-3)^2+(y-3)^2=9

Therefore, the standard form of the given circle is (x-3)^2+(y-3)^2=9.

3 0
3 years ago
Mike had thirty seven dollars to spend on eight books. After buying them
lubasha [3.4K]

Answer:4.265

Step-by-step explanation:

Can it be decimal?

3 0
3 years ago
Ricardo drove 15 miles in 20 minutes. What was his average rate in miles per hour?<br> (number form)
Rudiy27

Answer:3/4 miles per hour

Step-by-step explanation:

Simplify the fraction 20/15 to get 3/4 per hour or 0.75 miles per hour

8 0
3 years ago
Other questions:
  • How do i write five thousand,three hundred seventy in number form and expanded form
    10·2 answers
  • Decide if you are given enough information to prove that the quadrilateral is a parallelogram: one pair of consecutive angles ar
    13·2 answers
  • HELPPP PLEASEE l
    8·1 answer
  • How to work out what is the larger 7/8 - 8/9
    9·2 answers
  • Explain why 6:4 and 18:8 are not equivalent ratios
    12·1 answer
  • Devin has a collection of 40 model vehicles which consists of 25 different cars and 15 different trucks. He selects 8 to display
    12·1 answer
  • 10 POINTS AND BRAINLIEST
    8·1 answer
  • The graph of linear function k passes through the points (-3, 0) and (1, 8).
    8·1 answer
  • Find a power series representation for the following function.
    7·1 answer
  • HELP ME WITH THIS PLEASEEE
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!