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Alex777 [14]
3 years ago
13

Can anyone help please ?

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0

I’d say bar chart , put months on the x axis and temperature on y axis. Label the axis as Months and Temperature (degrees celsius). Find the difference by subtracting the highest value from the lowest. Find the mean by adding all the values and divide by 12

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The value of a car after t years can be found using the formula V = C(1 - r)t, where V is the current value of the car, C is the
Stells [14]
The given formula is
V = C(1-r)^{t}

Therefore
(1-r)^{t} =  \frac{V}{C} \\\\ 1-r = ( \frac{V}{C} )^{1/t} \\\\ r = 1 - ( \frac{V}{C} )^{1/t}

Given:
C = $25,000
V = $12,000
t = 4.5 years

C/V = 0.48
1/t = 0.2222
Therefore
r = 1 - 0.48^{0.2222} = 0.1505 = 15.05\%

Answer: 15% (nearest integer)

8 0
4 years ago
2. For the following, is the stated conclusion reasonable? Why or why not?
lapo4ka [179]

Answer:

Definetely, it is reasonable. You may assume that a pet as a companionship will help the elderly feel more comfortable and therefore, happy. There are a few problems tough:

  • There is no practical way of meassuring 'happiness'.
  • Sometimes, the correlations of two factors may be a coincidence. Scientist should always consider this when they try to claim something byusing some backup logic, like we did.
  • Even tough the statement makes some sense, you need to be aware that maybe is not completly positively correlated. Maybe having 20 more pets does not make an elderly happy if it alredy had 1 or 2.

8 0
3 years ago
I need help with this problem​
dexar [7]

The answer to the equation is 15

5 0
3 years ago
Find the numerical values of -3|x|+2x-1 if x=-5. PLSSSS HELP
Kisachek [45]

Answer:

26

Step-by-step explanation:

Since x = -5, we can replace x with it's numerical -5, right? The problem tells you that x is equal to -5. So, just replace any x you see with -5.

So in this case,

-3|x|+2x-1

turns into:

-3|(-5)|+2(-5)-1

You can use a calculator or solve it by hand to see what the answer is.

-3|(-5)|+2(-5)-1\\-3(5)+2(-5)-1\\-15+(-10)-1\\-25-1\\-26

3 0
2 years ago
At a deli, 56 sandwiches were sold during lunchtime. Twenty-five percent of the sandwiches sold were tuna salad sandwiches. How
denpristay [2]
Answer - 42 Sandwiches

Explanation -
56 is what you start out with. you will need to find 25% of those 56 to see the remaining. So 25% of 56 is 14 because .25 x 56 is 14. You then subtract 56 from the 14 Tuna sandwiches and you’re left with 42.
8 0
3 years ago
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