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NISA [10]
3 years ago
6

The high temperature for the day was 77 while the low was 52. What is the difference between the high and low temperature for th

e day? PLS ANSWER
Mathematics
2 answers:
grin007 [14]3 years ago
4 0

Answer:

25

Step-by-step explanation:

High = 77

Low = 52

Subtract to find difference

High - Low

77 - 52

25

cluponka [151]3 years ago
3 0

Answer:

25 degrees

Step-by-step explanation:

We need to set up a difference. The high is 77 and the low is 52, so let's subtract 52 from 77:

   77

-   52

______

From the rightmost column, we have 7 - 2, which equals 5. So, put 5 there:

   77

-   52

______

      5

Now, look at the left column. We have 7 - 5, which equals 2. So put 2 there:

   77

-   52

______

   25

Thus, the answer is 25 degrees.

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To multiply a fraction, you simply multiply across the top and across the bottom.

-3 *-4 = 12
5 * 7 = 35

Final Answer: 12/35
5 0
3 years ago
The average value of two positive numbers is 30% less than one of the two numbers. By which percentage is average value bigger t
Viefleur [7K]

Answer:

75% bigger

Step-by-step explanation:

Let the first number be x and the second be y.

So:

Average = \frac{x + y}{2}

And:

Average = (1 - 30\%) * x -----30% less than x

Substitute Average = (1 - 30\%) * x in Average = \frac{x + y}{2}

\frac{x + y}{2} = (1 - 30\%) * x

\frac{x + y}{2} = (1 - 0.30) * x

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\frac{x + y}{2} = 0.70x

Cross multiply

x + y = 0.70x * 2

x + y = 1.40x

Collect like terms

1.40x - x = y

0.40x = y

Make x the subject

x = \frac{y}{0.40}

x = 2.50y

So, the average is:

Average = (1 - 30\%) * x

Average = (1 - 30\%) * 2.50y

Average =0.70 * 2.50y

Average =1.75y

Rewrite as:

Average =(1 + 0.75)y

Express as percentage

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This means that the average is 75% bigger than the second number

6 0
2 years ago
Pringles is planning their sales force spending for the next year. Each of their sales people spends about 3400 hours annually a
LUCKY_DIMON [66]

Answer:

459 sales people.

Step-by-step explanation

Time per call (t) = 45 min = 0.75 h

Hours per sales person (H) = 3,400 hours

Number of customers (n) = 40,000 customers

Call frequency (f)= 52 calls per year

The total number of sales people (S) needed, is given by the total time spent on calls for the year, divided by the amount of hours each person spends on sale:

S=\frac{40,000*0.75*52}{3,400}\\ S=458.8

Rounding up to the next whole person, Pringles needs 459 sales people.

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3 years ago
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