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
ICE Princess25 [194]
3 years ago
13

=3√7(√7-2)+2√63 With all the steps please

Mathematics
2 answers:
Darina [25.2K]3 years ago
8 0

Answer:

<h2>3√7(√7-2)+2√63</h2><h2>21-6√7+2√63</h2><h2>21-6√7+2×3√7</h2><h2>21-6√7+6√7</h2><h2>21. answer </h2>

vesna_86 [32]3 years ago
3 0

Answer:

21

Step-by-step explanation:

<em>⇒ 3 √7( √7 - 2) + 2 √63</em>

<em>⇒ 3 ×√7 × √7 - 3 ×√7 × 2 + 2 × 3 ×√7</em>

<em>⇒ 3 × 7 - 6 √7 + 6 √7</em>

<em>⇒ </em><em>21</em>

You might be interested in
Write and equation on the line that passed through (0,-1) and is perpendicular to the line y =1/9x+2
Marat540 [252]

Answer:

y=-9x-1

Step-by-step explanation:

since it is perpendicular, the slope must be the opposite reciprocal (-9x) and now we plug the coordinates in, -1=0+b, b is -1

5 0
3 years ago
Which of these numbers are less than 8.1 × 10^-8?
lina2011 [118]
The answer is 3.4×10^-10
8 0
3 years ago
What is the answer?????/
SCORPION-xisa [38]
The questions is, when z=9, 3z = ? When you multiply 3*9, you get 27
3 0
4 years ago
14 = 6x4+b <br><br> I WILL MARK BRAINLYIEST FOR 1ST PERSON
Ira Lisetskai [31]
14 = 6x4 + b
14 = 24 + b
-10 = b

Hope this is accurate & helpful! Let me know if there are any errors or if you have any additional questions.
7 0
2 years ago
If y = -5 when x = 2, find y when x = 8.
nasty-shy [4]

Answer:

Y= -20

Step-by-step explanation:

if y=-5 when x=2 find y when x=8

8 /2 = 4

=> x = 2 * 4 => x = 8 Answer

y = -5 * 4 =>

y= -20

4 0
2 years ago
Other questions:
  • Suppose you are investigating which hamburger condiment is most popular in a school cafeteria. which measure of central tendency
    7·2 answers
  • 14 fluid ounces= ___cups
    5·1 answer
  • Themba has 6.75 cups of yoguri and needs to make 5 bowls of fruit dip. Each bowl
    11·1 answer
  • What were Malcolm's and Ravi's maximum speeds?
    9·1 answer
  • Write two inequalities that would have the solution set as graphed below.
    7·1 answer
  • Please help me with 1-5
    6·2 answers
  • A rocket car on the bonneville salt flats is traveling at a rate of 640 miles per hour. How much time would it take for the car
    10·2 answers
  • I NEED HELP ASAP PLEASE!!!
    13·1 answer
  • Whcich expression are equivialant to the one below 3^4*3^x
    11·1 answer
  • What is reminder if you devide 786 to 6?​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!