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Vedmedyk [2.9K]
3 years ago
10

1/4k = 3 (-1/4k + 3)

Mathematics
2 answers:
4vir4ik [10]3 years ago
5 0

Answer:

k=9

Step-by-step explanation:

1/4k = 3 (-1/4k + 3)

Distribute the 3

1/4k = -3/4k + 9

Add 3/4 k to each side

1/4k +3/4 k = -3/4k +3/4 k + 9

4/4k = 9

k =9

77julia77 [94]3 years ago
4 0

Answer:

K = 9 ;)

Step-by-step explanation:

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The industrial process that is used to convert a fuel to gasoline is carried out at a temperature range of 660 degrees°F to 790
NARA [144]

Answer:

|F-725|

With F represent the variable of interest:

-65< F-725< 65

-65+725< F< 65+725

660 < F< 790

Step-by-step explanation:

For this case we have a normal limits for the temperature Range. The minimum is 660 F and the maximum 790 F.

We can find the midpoint of this interval like this:

Midpoint= \frac{660+790}{2}= 725

And the difference between the midpoint and the limits are:

|790-725|= 65

|680-725|= 65

So then we can create the following inequality:

|F-725|

With F represent the variable of interest.:

-65< F-725< 65

-65+725< F< 65+725

660 < F< 790

5 0
3 years ago
The temperature of a cooling liquid over time can be modeled by the exponential function T(x) = 60(1/2)^(x/30) + 20, where T(x)
Alexus [3.1K]
Based on the scenario, the initial temperature would be :

28 = (60) (1/2)^x/30 + 20
 
(60) (1/2)^0/30 + 20 = 60 + 20 = 

80 C

Hope this helps
6 0
3 years ago
Which is used to find the number of ways a given number of objects can be ordered? need help asap please im between factorial an
raketka [301]
Factorial is the correct answer because in combinations the order does not matter
8 0
3 years ago
Read 2 more answers
Describe the correct the error in finding the area of the triangle
lions [1.4K]

Answer:

Since the area of a triangle is 1/2 base times height, it should be a=1/2(10)(12m)

So the area would be 60 meters squared.

Step-by-step explanation:

4 0
3 years ago
URGENT WILL GIVE BRAINLIEST<br> IF correct!!!!
vlabodo [156]

Answer:

<u>3</u> fewer fluids ounces the regular bottle of sunscreen holds.

Step-by-step explanation:

Given:

The family size bottle of sunscreen holds = 12 oz.

The regular bottle holds 75% less.

Now, to find how much fewer fluids ounces does the regular bottle of sunscreen holds.

So, according to question:

12-75\%\ of\ 12

=12-frac{75}{100} \times 12

=12-0.75\times 12

=12-9

=3\ oz.

Therefore, 3 fewer fluids ounces the regular bottle of sunscreen holds.

8 0
3 years ago
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