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den301095 [7]
3 years ago
12

4x+20 3x determine the value of x

Mathematics
1 answer:
nlexa [21]3 years ago
5 0

Step-by-step explanation:

4x + 20 = 3x \\ x =  - 20

<h2>-20 is the right answer.</h2>
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1. Explain the Law of Cosines by ∆ ABC
seropon [69]
<h3>TRIGONOMETRY</h3>

===================================

1.) Explain the Law of Cosines by ∆ ABC

  • \begin{gathered}\sf{{a ^ 2 = b ^ 2 + c ^ 2 - 2bc(cos A)}}\\ \sf{{b ^ 2 = a ^ 2 + c ^ 2 - 2ac(cos B)}} \\ \sf{{c ^ 2 = a ^ 2 + b ^ 2 - 2ab(cos C)}}\end{gathered}

2.) Explain Law of Sines by ∆ ABC

  • \sf{{\frac{sin A}{a} = \frac{sin B}{b} = \frac{sin C}{c}}}

3.) Explain The SSA ( There is no SSA postulate so you may have just typed the question incorrectly or you may be asking about SSA Possibilities.)

» SSA ( Side-Side-Angle) · the two triangles are equal if two sides and an angle not included between them are equal.

<h3>The SSA Possibilities:</h3>

  • If ∠A is an acute angle and a≥b, then there is exactly one solution.

  • If ∠A is an obtuse or a right angle and a≤b, then there is exactly no solution.

  • If ∠A is an acute angle, a<b, and a=b sin A then there is exactly one solution.

  • If ∠A is an obtuse or a right angle and a>b, then there is exactly one solution.

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#LetEarthBreathe

7 0
2 years ago
Read 2 more answers
I REALLY NEED HELP
irga5000 [103]

Answer:

6x + 3y = 3846

x + y = 846

Step-by-step explanation:

(value of adult ticket [6] * number of adult tickets [x]) + (value of student ticket [3] * number of student tickets [y]) = total value (3846)

6x + 3y = 3846

(number of adult tickets [x]) + (number of student tickets [y]) = total number of tickets (846)

x + y =846

8 0
3 years ago
i have to type in my answer and i don't know what 9(a +b) + 4(3a + 2b) so what is the answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ivolga24 [154]

Answer: 21a+17b


Step-by-step explanation: To get rid of the parenthese you must multiply or distribute 9 to all the numbers inside the parentheses.

9(a +b) + 4(3a + 2b)

9a+9b+12a+8b

Combine like terms

9a+9b+12a+8b

21a+17b

And we have our answer.

<em><u>21a+17b Hope this helps!</u></em>

5 0
4 years ago
The table shows a function.
Artist 52 [7]

Answer:

All real numbers greater than 2

6 0
3 years ago
3.
AnnyKZ [126]

Answer:    1/4

Answer:

Step-by-step explanation:

Here is the complete question: Find the rate of change for the situation:

A chef cooks 9 lbs of chicken for 36 people and 17 lbs of chicken for 68 people.

Given: 1st situation, A chef cook 9 lbs chicken for 36 people.

          2nd situation, chef cook 17 lbs chicken for 68 people.

∴ 1st situation, weight of chicken per person=  

 Weight of chicken per person=  

2nd situation, weight of chicken per person=  

Weight of chicken per person=  

In both the situation chef cook same amount of chicken per person, which is  

∴ Rate of change is

Step-by-step explanation:

There are several important information's already given in the question. Based on those information's the answer can be easily deduced.

In the first case,

The amount of chicken the chef cooks for 36 people = 9 pounds

Then

The amount of chicken the chef cooks for 1 person = 9/36

                                                                                 = 1/4 pounds

Now let us take the second case

The amount of chicken the chef cooks for 68 people = 17 pounds

Then

The amount of chicken the chef cooks for 1 person = 17/68

                                                                                 = 1/4 pounds

From the above deductions, it can be concluded that the correct option among all the options given in the question is the third option or option "B".

3 0
3 years ago
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