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
Galina-37 [17]
3 years ago
15

if 7 is added to the square of and integer, the result is 2 less than 10 times that integer. find the integer

Mathematics
1 answer:
Llana [10]3 years ago
6 0

Answer:

The integer is 1 or 9.

Step-by-step explanation:

Let the integer be x, then:

x^2 + 7 = 10x - 2

x^2 - 10x + 9 = 0

(x - 9)(x - 1) = 0

x = 1, 9.

Verifying

9^2 + 7 = 88

10*9 - 2 = 88   So 9 is correct.

1^2 + 7 = 8

10*1 - 2 = 8 So 1 is also correct.

You might be interested in
You can use a calculator
kolezko [41]

Answer:

238, 000

Step-by-step explanation:

hope this helps </3

3 0
3 years ago
Consider the following graph of y = f (x). Please help
Rus_ich [418]

Answer:

f. for the x values I think its -1 & 5

7 0
3 years ago
True or False: 7, 7, 7 are the lengths of a triangle. True or False
Usimov [2.4K]
True, it would be equilateral
5 0
4 years ago
Which figure results when a triangular prism is sliced by a plane parallel to its base?
GuDViN [60]

Answer: Rectangle

Step-by-step explanation: When a geometric plane slices a prism so that the cut is parallel to the plane of the base, the cross section will have the shape of the base. So, in the case of a right rectangular prism, the cross section is a rectangle.

6 0
3 years ago
Help me please i need it done 20 points
alekssr [168]
\bold{ANSWER:}
x ≈ 41.5

\bold{SOLUTION:}

7 0
2 years ago
Other questions:
  • In a shipment of 400 put 14 Are found to be defective how many defective part should be expected in a shipment of 1000
    9·1 answer
  • A rectangular solid has sides of 4 cm, 6 cm, and 8 cm. What is its surface area?
    7·2 answers
  • Which statement is a counterexample to the following conjecture? All mammals are dogs.
    6·2 answers
  • easiest problem ever for 20 stars opls help ????? Karen's dad's car, moving at a constant speed, covers 75 meters in 5 seconds.
    6·1 answer
  • What is the volume of the planter that measures 60l, 60w. 60h?
    13·1 answer
  • Earn 10 points if you simply answer my question please help me asap! thank you
    5·1 answer
  • BRAINLIEST, THANKS, 5 STARS ! Correct and fast answers needed!
    14·2 answers
  • Which of the following expressions is a common factor when the expressions
    6·1 answer
  • 1.25 is closer to 1.04 or not ?<br> plz heelp plz
    11·2 answers
  • PLEASE HELP AND EXPLAIN WELL
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!