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ycow [4]
3 years ago
6

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Solve the following

equation for x, and express its value in terms of c. 3(cx-7)=9
Mathematics
2 answers:
mash [69]3 years ago
8 0

Answer:

x=10/c

Step-by-step explanation:

3(cx-7)=9

(cx-7)=3

cx=10  

x=10/c

Aleks04 [339]3 years ago
7 0

Answer:

x=10/c

Step-by-step explanation:

3(cx-7)=9

(cx-7)=3

cx=10  

x=10/c

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What is the sum of the infinite geometric series with a1=42 and r=6/5?
Cerrena [4.2K]
This infinite sum is given by

          a     
S =  ------  but ONLY if r<1.  Here, r>1, so the infinite sum does not exist.    
        1-r                                     
8 0
3 years ago
= 8 cm, height = 67 cm.
zavuch27 [327]

Answer:

45

Step-by-step explanation:

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5 0
4 years ago
What is the effect on the graph of the function f(x) = 2x when f(x) is replaced with f(−5x)?
Amiraneli [1.4K]

Answer:

C) horizontal compression and reflection across the y-axis

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached image below, to find more information about the graph

The original equation is:

f(x) = 2x

The new equation is:

f(-5x) = 2(-5x)

f(-5x) = -10*x

The answer is

C) horizontal compression and reflection across the y-axis

4 0
3 years ago
Resolve 3x-1÷(x+1)^2 into partial fraction<br>​
garri49 [273]

9514 1404 393

Answer:

  3/(x +1) -4/(x +1)^2

Step-by-step explanation:

The partial fraction expansion will be of the form ...

  A/(x+1)^2 +B/(x+1)

We can find the values of A and B by writing the sum of these terms:

  = (A +B(x +1))/(x +1)^2

Then we require ...

  B = 3

  A +B = -1   ⇒   A = -4

So, the desired expansion is ...

  3/(x +1) -4/(x +1)^2

4 0
3 years ago
The H.C.F of <br> 15 and 45
Jet001 [13]

9514 1404 393

Answer:

  15

Step-by-step explanation:

When the smaller number is a divisor of the larger one, it is their highest common factor.

  HCF(15, 45) = 15

7 0
3 years ago
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