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NISA [10]
4 years ago
10

Evaluate the expression. 4–4÷2

Mathematics
1 answer:
n200080 [17]4 years ago
7 0

Answer:

2.

Step-by-step explanation:

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The owner of a convenience store keeps track of how many customer buy lunch food during the "noon rush" each day for four days a
alexdok [17]

Answer:

c) 62.

Step-by-step explanation:

Let x represent number of customers came in on the fifth day.

We have been given that the mean number of customers for those four days is 52. So total number of customers on 4 days would be 4 times 52 that is 208 customers.

We know that mean of a data set is equal to sum of all data points divided by number of data points.

Total number of customers on 5 days would be 208+x and total number of days is 5.

Since we need a mean of 54, so we can set mean of 5 days equal to 54 as:

\frac{208+x}{5}=54

Multiply both sides by 5:

\frac{208+x}{5}*5=54*5

208+x=270

208-208+x=270-208

x=62

Therefore, 62 customers must come in on the fifth day to make the five-day mean 54 and option 'c' is the correct choice.

4 0
3 years ago
A plumber charges 14 of the cost of materials as a labor fee. If the materials for the current job cost $130.00, how much will t
Lena [83]

Answer: The answer is 0.1076923 per dollar.

Step-by-step explanation:

7 0
2 years ago
Which statement must be true about line TU?
just olya [345]
Line tu is parallel to rs
5 0
3 years ago
Read 2 more answers
Which situation describes a correlation that is not a causal relationship? (1) Car color and number of car accidents (2) Hours s
xeze [42]
I believe the answer would be (1) because they are not directly related
5 0
3 years ago
BRAILEST + THANKS <br> F(x)=x^2+14 and g(x)=x−8<br> Find (f+g)(−1)
Murrr4er [49]

Answer:

Step-by-step explanation:

Disclaimer all solutions need to be verified by the student for accuracy in typos, algebra and calculations.

f(x) = x² + 14      g(x) = x - 2      -1 ?   I think it means evaluate when x = -1

Find (f(x) + g(x))  when x = -1

 (f(x) + g(x))  =   [ ( x² + 14)  +  (x - 2)]        insert f(x)  and g(x)

                    =   [ x² + x + 14 - 2]               add like the term

 (f(x) + g(x))  =   x² + x + 12

(f(-1) + g(-1))  =   (-1)² + (-1) + 12             evaluate at x = -1

                   =    1 - 1 + 12

                   =    12

6 0
3 years ago
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