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Alborosie
3 years ago
12

If f(x) = 6x-4, what is f(x) when x = 8?

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
6 0

Answer:

44

Step-by-step explanation:

6(8)-4 = 48-4= 44

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Sam is buying a pair of water skis that are on sale for 2/3 of the original price. After he uses a $25 gift certificate the tota
Alexus [3.1K]

Answer:

$210

Step-by-step explanation:

The first thing we can do is to add the $25 back on to the total cost.

25 + 115 = 140.

We do this because he Sam used a gift certificate on the ski's that are already 2/3 of the original price.

Now, to find the original price we can use this equation:

\frac{2}{3} x = 140

X represents the original price.

To solve this equation you would flip 2/3 to 3/2 and multiply that by 140, as seen below:

(\frac{3}{2}) \frac{2}{3}x = 140 (\frac{3}{2})

Now you can solve:

x = \frac{420}{2} \\x = 210

We can check this answer by multiplying 210 by 2/3

(210)(2/3) = 140

Remember, Sam used a gift certificate for $25

140 - 25 = $115

Therefore, the original price of the skis is $210.

<em>I hope this helps!!</em>

<em>- Kay :)</em>

6 0
3 years ago
The long-distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard de
qaws [65]

Answer: a. 0.6759    b. 0.3752    c. 0.1480

Step-by-step explanation:

Given : The long-distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.2 minutes

i.e. \mu = 6.3 minutes

\sigma=2.2 minutes

Let x be the long-distance call length.

a. The probability that a call lasts between 5 and 10 minutes will be :-

P(5

b. The probability that a call lasts more than 7 minutes. :

P(X>7)=P(\dfrac{X-\mu}{\sigma}>\dfrac{7-6.3}{2.2})\\\\=P(Z>0.318)\ \ \ \ [z=\dfrac{X-\mu}{\sigma}]\\\\=1-P(Z

c. The probability that a call lasts more than 4 minutes. :

P(X

8 0
3 years ago
2,-10,50,-250, Geometric sequence
DanielleElmas [232]

Answer:

Step-by-step explanation:

t2/t1=r

-10/2=-5

2*-5=-10

5 0
3 years ago
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Part C Factor the left side of the inequality by grouping
olga_2 [115]

Answer:

Step-by-step explanation:

7 0
3 years ago
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When making a book cover, Anwar adds an additional 20 square inches of paper will Anwar used to make a cover for a book 11 inche
Rudik [331]
1.20+8
2.160+1
3.27
4.27+11
5.38
hope i helped
4 0
3 years ago
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