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
lakkis [162]
3 years ago
6

X=√

rt{15 - 2 \times } " alt="x = \sqrt{15 - 2 \times } " align="absmiddle" class="latex-formula">
15-2x
Mathematics
1 answer:
Rus_ich [418]3 years ago
5 0
The answer:  " x = 5 " .
____________________________________
Explanation:
____________________________________
Given:   "  x = √(15 <span>− 2x) " ;  Solve for "x" ; 
____________________________________
  "Square" each side of the equation:
____________________________________
</span>      → (x)²  =  [√(15 − 2x) ] ²  ; 

  →   x  =  15 − 2x   ;

Now, add "2x" to each side of the equation:

 →   x + 2x = 15 − 2x + 2x  ;

 →    3x = 15 ; 

Now, divide each side of the equation by "3" ; 
     to isolate "x" on one side of the equation; & to solve for "x" ; 

 →    3x / 3 = 15 / 3  ; 

 →    " x  =  5 " .
____________________________________________________
You might be interested in
What is... 55.
sukhopar [10]

Answer:

one more would be 56

one less would be 54

ten more would 65

ten less would be 45

Step-by-step explanation:

add one more to 55 to get 56

subtract one from 55 to get 54

add ten more to 55 to get 65

subtract ten from 55 to get 45

3 0
3 years ago
Please I need help with some geometry. An image with the question is attached.
Vladimir [108]

Answer:

Not enough information

Step-by-step explanation:

You gave the height, but there is no length. You need both the height and length because the area of a triangle is 1/2bh

4 0
3 years ago
Theo, Nancy, and Mary each drove separately to meet at Approximately how
Step2247 [10]

Mary's house is approximately 49.73 miles from her grandmother's house.

The distances the three drove were;

Mary drove for 49.73 miles, Theo drove 50 miles and Nancy drove 53.299 miles.

Explanation:

  • The given triangle has a 13 mile long adjacent side, a 48 mile long opposite side and the distance of Mary's route is the hypotenuse. As we have two sides of the triangle, we can solve for the length of the other side by using Pythagoras' theorem.
  • Assume the hypotenuse of the triangle measures x miles. According to Pythagoras theorem, x = √(13² + 48²) , x = √169 + 2,304 x = √2,473 = 49.729. Rounding this off, we get Mary's route was 49.73 miles long.
  • Nancy drove √2,840 miles = 53.2916 miles.
  • So Mary drove the shortest distance of 49.73 miles, second shortest was Theo who drove for 50 miles and the longest was Nancy who drove for 53.299 miles.

8 0
3 years ago
Read 2 more answers
Find three consecutive integers such that the sum of twice the smallest and 3 times the largest is 126
True [87]

Answer:

Step-by-step explanation:

let the numbers be x,x+1,x+2   (x<x+1<x+2)

2x+3(x+2)=126

2x+3x+6=126

5x=126-6

5x=120

x=120/5=24

numbers are 24,24+1,24+2

or 24,25,26

5 0
2 years ago
Find the value of y.y^2=169
wel

y^2=169

y = √169

y = + / - 13

Answer

y = -13 or y = 13

8 0
3 years ago
Other questions:
  • Kim and leon together have $111. if kim has $17 more than leon, how much does each person have?
    14·2 answers
  • A race car travels 400 km in a time of 2 hours. Determine the speed of<br> the race car
    6·1 answer
  • The perimeter of an equilateral triangle with a side of 6 inches is
    10·2 answers
  • HELPPP!!! 10 PTS!<br><br> M angle (6x + 15) = _____
    8·2 answers
  • Raj is deciding between two cell phone plans, A and B, which are both linear functions. The monthly charge for plan A
    6·2 answers
  • An ice sculpture measures 52 inches and melts continuously by 3% per minute. Fine the height
    11·1 answer
  • What is the distance between (-3, 5) and (-3,-4)?​
    15·1 answer
  • Please Help!<br> Write a equation for each hanger!
    6·1 answer
  • what is 0.4 rounded? is it possible to turn it into another pair of decimal numbers or can I only change it to a whole number?
    7·1 answer
  • Gail has $7,500 that she wants to put in a new savings account. She is
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!