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Fantom [35]
3 years ago
7

Use a(x) and b(x) shown below to evaluate the given expressions.

Mathematics
2 answers:
Sedaia [141]3 years ago
6 0

Refer to the picture below

#PlatoLivesMatter

#YeetLife

AnnZ [28]3 years ago
3 0

Hello!


Let's begin with question 1, 2a(x) · b(x) = ?

2(3x - 1) · 2^{x} 

2^{x} · (6x - 2)


Question 2, a(x) + 2b(x) = ?

3x - 1 + 2(2^{x})


Question 3, \frac{b(x)}{2a(x)} = ?

\frac{2^{x}}{2(3x - 1)} 

\frac{2^{x}}{6x - 2}


Question 4, 2a(x) + b(x) = ?

2(3x - 1) + 2^{x} 

6x - 2 + 2^{x}


Question 5, a(x) - b(2x) = ?

3x - 1 - 2^{2x}

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Helppp meeeeeee asappppppp
Juliette [100K]

Answer:

9.2

Step-by-step explanation:

So the 14 can be divided equally on both sides by the fact that the line cutting it at right angle bisects it.

Thus having 6 and 7 as the two shorter sides of a right angled triangle will help us get the radius( hypotenuse in this case) using the square root of the sum of the squares of both six and 7, the Pythagoras theory.

this leads to 9.2 as our answer

5 0
3 years ago
Find the value of x.
UNO [17]

Answer:

x = 20

Step-by-step explanation:

Intersecting Chords Theorem: ab = cd

Step 1: Label our variables

<em>a</em> = x

<em>b</em> = x - 11

<em>c</em> = x - 8

<em>d</em> = x - 5

Step 2: Plug into theorem

x(x - 11) = (x - 5)(x - 8)

Step 3: Solve for <em>x</em>

x² - 11x = x² - 8x - 5x + 40

x² - 11x = x² - 13x + 40

-11x = -13x + 40

2x = 40

x = 20

5 0
3 years ago
Read 2 more answers
What is my answer for this question?<br> 1/3 + 1/4
Vsevolod [243]

Answer:

7 / 12 is the answer

hope this answer will help you

8 0
3 years ago
Read 2 more answers
Jenny has $1200 in her savings account. If the bank pays 3% interest per year on savings, how much interest does she earn in 3 y
sergejj [24]

Answer:

Jenny earns $36 in interest per year.

Step-by-step explanation:

1200/ 12 = 100

3% of 100 is 3.

3 x 12 = 36

8 0
3 years ago
Read 2 more answers
Use linear combination method to solve this systemof equations. What is the value of x?
lys-0071 [83]

Using the linear combination method, we can add 3x+7y=31 and -3x-2y=-1 together, which makes 5y=30.


Just divide both sides by 5, and your answer will be y = 6.



To solve for x, just substitute 6 in y in either equation and solve for x:


-3x-2(6)=-1\\ -3x-12=-1\\ -3x=11\\ x=-\frac{11}{3} =-3\frac{2}{3}



In short, the correct answer is B. -3 2/3

7 0
3 years ago
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