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
Helga [31]
3 years ago
10

Find the value of x. A) 71 B) 72 C) 73 D) 75

Mathematics
2 answers:
natita [175]3 years ago
3 0
146° + (-39 +x)° = 180°

Subtract 146° on both sides.

(-39 +x)° = 180° - 146°

(-39 +x)° = 34°

(x - 39)° = 34°

Add 39° on both sides

x = 34° + 39°

x = 73°

Your final answer is C) 73.
nataly862011 [7]3 years ago
3 0
146 - 39 + x = 180

107 + x = 180

x = 73

Your answer is C) 73.
You might be interested in
Which expression is equal to 1/4
grandymaker [24]

Answer: An option is 3/12...

Step-by-step explanation:

You can just multiply the numerator and denominator my the same number to find an equivalent

6 0
3 years ago
Twenty pounds of a salt-water solution contains fifteen percent salt. How much salt is in the water?
SVETLANKA909090 [29]
It is 15% of 20 pound water
15/100x20
3lb
5 0
3 years ago
Read 2 more answers
To create an entry code, you must first choose 2 letters and then 2 single digit numbers. How many entry codes can you create?
ivann1987 [24]

Answer:

55600

Step-by-step explanation:

First times the number of possibilities of the amount of letters it could be so 26X26 as it is a non consecutive possibility that means both letters have the possibility to be the same. Then take the product of 26X26 and multiply it by the possibilities of the first number which is 10 then repeat that by again multiplying the product by 10 to represent the number of possibilities for the second number

3 0
3 years ago
Only answer if you know the correct answer! Thanks! :)
Komok [63]

Answer:

1. A

2. C

3. D

4. B

6 0
3 years ago
Read 2 more answers
(1 point) Linear System - Three Variables Solve the following system of equations using Gaussian elimination method. If there ar
EastWind [94]

Answer:

x=\frac{-363}{70} ≈ -5.1857

y=\frac{-192}{35} ≈ -5.4857

z=\frac{313}{84} ≈ 3.7262

Step-by-step explanation:

Rewrite the equation system as:

6x+8y=-75

-3x+6y+6z=5

2x-9y=39

Now, write the system in its augmented matrix form:

\left[\begin{array}{cccc}6&8&0&-75\\-3&6&6&5\\2&-9&0&39\end{array}\right]

applying row reduction process to  its associated augmented matrix:

Swap R1 and R3, and then Swap R1 and R2:

\left[\begin{array}{cccc}-3&6&6&5\\2&-9&0&39\\6&8&0&-75\end{array}\right]

R3+2R1

\left[\begin{array}{cccc}-3&6&6&5\\2&-9&0&39\\0&20&12&-65\end{array}\right]

3R2+2R1

\left[\begin{array}{cccc}-3&6&6&5\\0&-15&12&127\\0&20&12&-65\end{array}\right]

15R3+20R2

\left[\begin{array}{cccc}-3&6&6&5\\0&-15&12&127\\0&0&420&1565\end{array}\right]

Now we have a simplified system:

-3x+6y+6z=5\\0-15y+12z=127\\0+0+420z=1565

-3x+6y+6z=5\hspace{5 mm}(1)\\0-15y+12z=127\hspace{3 mm}(2)\\0+0+420z=1565\hspace{3 mm}(3)

From (3):

z=\frac{313}{84} (4)

Replacing (4) in (2)

y=\frac{-192}{35} (5)

Finally replacing (5) and (4) in (1)

x=\frac{-363}{70}

7 0
3 years ago
Other questions:
  • Salem has 150 cookies to sell. Each cookie is one of four types. . 1/6 of cookies are oatmeal raisin. . 1/4 of cookies are sugar
    5·1 answer
  • A woman is 32 years older than her daughter. The product of their ages is 528. How old was the woman when the daughter was born?
    11·2 answers
  • Identify the property that is being used to solve the problem:
    15·1 answer
  • If 5 men paint a wall in 3hours,
    10·1 answer
  • Which statement(s) describe the graph of the equation x=-2? Select all that apply
    7·1 answer
  • Given f(x) and g(x) = f(x + k), use the graph to determine the value of k.
    6·1 answer
  • HELPP ME QUICK PLSSS I WILL HAVE A BREAKDOWN RN I NEED IT PLSS NOW I WOULD PUT YOU BRAINIEST PLSSS HELPP NOW What is the slope-i
    11·1 answer
  • Which expression is equivalent to 3a+9a+7b-b
    8·1 answer
  • HELP DUE IN 2 MINUTES
    10·1 answer
  • 3 ft Find the outer perimeter of this figure. Round your answer to the nearest hundredth. Use 3.14 to approximate it. 4 ft 5 ft
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!