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tiny-mole [99]
2 years ago
14

Which expression is equivalent to 2.2 - 0.5(0.6x - 1.8) ?

Mathematics
1 answer:
exis [7]2 years ago
4 0
If you would like to know which expression is equivalent to 2.2 - 0.5 * (0.6 * x - 1.8), you can calculate this using the following steps:

2.2 - 0.5 * (0.6 * x - 1.8) = 2.2 - 0.5 * 0.6 * x + 0.5 * 1.8 = 2.2 - 0.3 * x + 0.9 = 3.1 - 0.3 * x

The correct result would be D) 3.1 - 0.3 * x.
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11.Write the equations of linear and exponential functions that pass through the points (0,9) and (1,3)
Schach [20]

9514 1404 393

Answer:

  y = -6x +9

  y = 9·(1/3)^x

Step-by-step explanation:

In each case, the y-intercept is 9.

Linear

The slope is rise/run = (3-9)/(1-0) = -6, so the equation is ...

  y = mx + b . . . . . . . slope m, intercept b

  y = -6x +9

Exponential

The ratio of value at x=1 to that at x=0 is 3/9 = 1/3. That is the "growth factor," so the equation is ...

  y = 9·(1/3)^x

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3 years ago
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grin007 [14]
Okay... but what is your question?
4 0
3 years ago
What is 1/2(x+14) because i am having trouble solving it and no calculator has been able to help me also.
ivann1987 [24]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

\frac{1}{2}x+7

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

\boxed{\text{Simplifying the equation...}}\\\\\frac{1}{2}(x+14)\\------------\\\rightarrow \frac{1}{2}*x = \frac{1}{2}x\\\\\rightarrow\frac{1}{2}*14=7\\\\\rightarrow     \frac{1}{2}(x+14)= \boxed{\frac{1}{2}x+7}

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

7 0
3 years ago
Help me please !! thanks :)
nexus9112 [7]

Answer:

the answer is B

Step-by-step explanation:

15 percent x 0.75

= (15/100) x 0.75

= (15 x 0.75)/100

= 11.25/100 = 0.1125

4 0
2 years ago
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