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
Harrizon [31]
4 years ago
11

20 POINTS! Please solve and show work! Any problem you solve helps! Thanks!

Mathematics
1 answer:
dimulka [17.4K]4 years ago
5 0

Answer:

3. X = 13.42

Step-by-step explanation:

12² + x² = 18²

144 + x² = 324

-144           -144

x² = 180

√x² = √180

x = 13.41640 (unsure of how teacher would want you to round this, probably in the hundredths)

x = 13.42

You might be interested in
16 is the geometric mean of 8 and what other number?
zepelin [54]
It is also the geometric mean of 4
8 0
3 years ago
Turn these phrases into algebraic expressions (PLEASE HELP)
Aleks [24]
2x-7
7x+2
x-9
4x+9
4x-9
x/4
8 0
3 years ago
Read 2 more answers
Identify the slope and the y-intercept of the line with the given equation:<br> y = 7x-5
svetlana [45]

Answer:

Slope = 7

Y intercept = (0,-5)

7 0
3 years ago
Change to an improper fraction 4 2/3=
barxatty [35]
Solutions 

To solve the problem the first step is to m<span>ultiply the whole number by the fraction's denominator (4 x 3).Add the numerator (2) to the product. 

4 * 3 = 12 

12 + 2 = 14 

= 14/3 </span>
4 0
3 years ago
Read 2 more answers
Find the solutions to the equation by completing the square.
rjkz [21]

Answer:

Step-by-step explanation:

hello :

x² - 6x = 7

x² - 6x+9-9___= 7

(x - 3 )²= __16_

x - 3= +/-_4__

x-3=4__and x-3 =_-4_

8 0
4 years ago
Other questions:
  • I need with turning 274% into a decimal
    7·2 answers
  • Another way to show the sum of 2/10 and 10/100
    12·1 answer
  • Suppose you pay $88 for a pair of shoes that has been discounted 20%. What is the original price of the shoes before the discoun
    5·2 answers
  • Consider the exponential function f(x) = (15x). What is the value of the growth factor of the function
    7·2 answers
  • Which of the following expressions are meaningful? Which are meaningless? Explain. (a) (a · b) · c (a · b) · c has because it is
    14·1 answer
  • Difference between 2 numbers is 25,smaller is 1/6 of large number, whats the small number
    7·1 answer
  • If Sam has 40 candy bars and Jack steals 12 how much candy bars does Sam have left?
    14·2 answers
  • the number of words Sylvia types varies directly with the amount of time she spends typing. If Sylvia types 100 words in 2.5 min
    8·1 answer
  • The ratio of two numbers is 3:5. When 4 is subtracted from the lesser of the two numbers and 8 is added to the larger of the two
    6·1 answer
  • Rotate shape A 90° anti-clockwise with centre of rotation (0,0).
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!