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seropon [69]
3 years ago
8

(Q7) Solve the inequality graphically. 3^-x > 6^-x

Mathematics
2 answers:
Fudgin [204]3 years ago
8 0

Answer:

C edge

Step-by-step explanation:

LekaFEV [45]3 years ago
6 0

Answer:

C

Step-by-step explanation:

We will graph 3^{-x}  and  6^{-x}  and find <em>WHERE in the x-axis,  3^{-x}  is greater than  6^{-x}.</em>

<em />

Attached is the graph of both the functions. RED color graph is of  3^{-x}  and BLUE color graph is of  6^{-x}.

So, <u>WHICH WHERE IN X-AXIS IS THE RED GRAPH "ABOVE" THE BLUE GRAPH?</u>

We can clearly see that this occurs when x > 0.

Hence, C is the correct answer.

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Simplify this complex fraction 4/3/2/5
olga2289 [7]

Answer:

3 1/3

Step-by-step explanation:

3 0
3 years ago
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Solve the right triangle ABC with right angle C if B = 30° and c = 10.
mart [117]

Step-by-step explanation:

Answer:


Last choice is correct.


Step-by-step explanation:


Given that ∠C=90°, ∠B=30°, c=10


We know that sum of all angles in a triangle is 180 degree.


∠A+∠B+∠C=180°


∠A+∠30°+∠90°=180°


∠A+∠120°=180°


∠A=60°


Now we can use sin or cos whichever applicable to find missing sides


2b=10


b=5


Similarly


a=8.6602


Hence last choice is correct.

6 0
3 years ago
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4 0
3 years ago
How can these models be used to find the sum 1.8 + 1.56?
enyata [817]

Answer:

The sum of  1.8 and 1.56 is 3.36 according to the model

Sum of decimals

Given the expression  1.8 + 1.56

Using the partial sum method

1.8 + 1.56 = (1.0 + 0.8) + (1.0+0.56)

Regroup as whole and decimal number

1.8 + 1.56 = (1.0 + 1.0) + (0.8 +0.56)

1.8 + 1.56 = 2.0 + 1.36

1.8 + 1.56 = 3.36

Hence the sum of  1.8 and 1.56 is 3.36 according to the model

3 0
2 years ago
What does the variable represent in the equation 6-8p=38
GalinKa [24]

Solving the equation  6-8p=38 we get value of p = -4

Step-by-step explanation:

We need to find the value of p in the equation 6-8p=38

Solving to find value of p:

6-8p=38\\Adding\,\,-6\,\,on\,\,both\,\,sides:\\6-8p-6=38-6\\-8p=32\\Divide\,\,both\,\,sides\,\,by\,\,-8\\\frac{-8p}{-8}=\frac{32}{-8}\\p=-4

So, solving the equation  6-8p=38 we get value of p = -4

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1600376
  • brainly.com/question/1617787
  • brainly.com/question/9720317

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
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