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ycow [4]
3 years ago
11

If f(x)=7-3x and g(x)=3x-7, what is the value of f(1)+g(1)?

Mathematics
1 answer:
kondor19780726 [428]3 years ago
5 0
F(x)=7-3x g(x)=3x-7

First let’s solve for f(1)

f(1)= 7-3(1)

f(1)= 7-3

f(1)= 4 *we will save this for later

Let’s now solve for g(1)

g(1)= 3(1)-7
g(1)= 3-7
g(1)= -4

Now we can find f(1) + g(1)

f(1) =4 and g(1)= -4

4+(-4) = 0








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7nadin3 [17]

Answer:

$441.60

Step-by-step explanation:

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Term: n/30= no discount if paid on or after the 30 days from the invoice date

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3 0
2 years ago
What is the answer can you help me plz
erastova [34]

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\frac{1}{5^{7}}

Step-by-step explanation:

\frac{5^{-4}}{5^{3}} = \frac{1}{5^{7}}

6 0
3 years ago
The first four terms of an arithmetic sequence are 28, 20, 12, and 4. which term of the sequence is -36
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For an arithmetic sequence, the nth term is the first term plus (n-1)×the differece
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7 0
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Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to fi
Keith_Richards [23]

Answer:

P(X = 12) = 0.0064.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

In this problem we have that:

n = 30, p = 0.2

We want P(X = 12). So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 12) = C_{30,12}.(0.2)^{12}.(0.8)^{18} = 0.0064

P(X = 12) = 0.0064.

6 0
3 years ago
Out of 340 racers who started the marathon, 302 completed the race, 26 gave up, and 12 were disqualified. What percentage did no
tangare [24]

Answer:

11.18%

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Total = 340

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Not completed = 340 - 302 = 38

Not completed% = 38/340*100% =  11.18%

3 0
3 years ago
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