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jonny [76]
3 years ago
11

Evaluate the function for x equals 2: f(x) + 7x - 5

Mathematics
2 answers:
Triss [41]3 years ago
8 0

Answer:

9

Step-by-step explanation:

replace x = 2 into  f(x)=7x-5

f(2)=7(2)-5 = 14 -5 = 9

answer is 9

Ludmilka [50]3 years ago
6 0

For this case, we have a function of the form y = f (x), where f (x) = 7x-5

You want to know the value of the given function when x = 2,

Then we substitute x = 2 in the function:

f (2) = 7 (2) -5\\f (2) = 14-5\\f (2) = 9

So, the value of the function is 9 when x = 2

Answer:

f (2) = 9


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The answer should be D. 120 degrees

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Please help will give 20 points to right answers (will give brainliest to very first correct answer) Tom walks 3.2 km every morn
nignag [31]
For this case we have the following conversions:
 1 mile = 1,609 km

1 mile = 5,280 feet
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6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1.107%7D%7B123%7D%20%20%5Ctimes%20%20%5Cfrac%7B1.998%7D%7B333%7D%20%20%3D%20" id=
pav-90 [236]

Answer:

<h2>45 </h2>

Step-by-step explanation:

\frac{1.107}{123} \times \frac{1.998}{333} =

=   > 9 \times 6

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Read 2 more answers
In the form of a paragraph, explain in complete sentences, your answers to the following questions. Include the final answer in
Yanka [14]
Lisa is an avid runner and is training for a marathon, so she runs everyday to achieve this purpose. In this way, she goes out to run for six days, so we have the following data set regarding the miles she runs:

1st day  = 3.2    miles
2nd day = 7.5    miles
3rd day  = 9.8    miles
4th day  = 11.5  miles
5th day  = 2.9    miles
6th day  = 3.5    miles

<span>Finally, she ran a total of:

3.2+7.5+9.8+11.5+2.9+3.5 = 38.4 miles

</span><span>What was the average distance of each run? 

This result can be get as the sum of each run (or the </span>total of miles she run<span>) divided by the numbers of days she ran.

</span>A=\frac{38.4}{6}=6.4mi

<span>Lisa's goal for this week is to run an average of 6 miles per day. How many miles does she need to run tomorrow (the 7th day) in order to achieve her goal of 6 miles per day for the week?

Let's name x the distance she must run tomorrow. Therefore, the equation for this purpose is given as follows:

</span>\frac{3.2+7.5+9.8+11.5+2.9+3.5+x}{7}=6

∴ \frac{38.4+x}{7}=6

Isolating x:

38.4+x=42

∴ x=42-38.4=3.6

Therefore, she need to run:

\boxed{3.6mi} in order to achieve the goal of 6 miles per day.

4 0
3 years ago
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