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swat32
3 years ago
7

48,62,81,94,27 to their nearest tens​

Mathematics
2 answers:
LekaFEV [45]3 years ago
5 0

Answer:

Its easy.

Step-by-step explanation:

1) 50

2) 60

3) 80

4) 90

5) 30

just have to check the ones placed, and then find out if that number is nearer to the tens placed number or the next number.

For example, if we take 48

So 8 is nearer to the next number not 40 but it is nearer to 50. So, 59 is the answer.

Just like this for all rounding off questions.

Hope it helped!!!

monitta3 years ago
3 0

Answer:

50, 60, 80, 100, 30

Step-by-step explanation:

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Determine whether the equation is exponential growth or exponential decay
Harman [31]

9514 1404 393

Answer:

  1. decay
  2. decay
  3. growth

Step-by-step explanation:

If the base of a positive exponential is greater than 1, the function is a growth function. If it is less than 1, the function decays.

Remember that a^-1 = 1/a, so a negative exponential can be transformed to a positive one.

__

1. y = 2(11/5)^-x = 2(5/11)^x . . . . 5/11 < 1, so decay

2. y = e^(-2x) = (1/e^2)^x . . . . 1/e^2 < 1, so decay

3. y = 1/4e^x . . . . e > 1, so growth

_____

e ≈ 2.71828 . . . an irrational number

4 0
3 years ago
Candy's Sweets Company charges $1.15 per pound to ship candy.
allochka39001 [22]

Answer:

<em>Part A: </em>

<em>c = 1.15p</em>

<em>c(2) = $2.30</em>

<em>Part B: </em>

<em>c = 0.90p</em>

Part B:

Step-by-step explanation:

<u>Linear Models</u>

Candy's Sweets Company charges $1.15 per pound to ship candy.  This represents a proportional relationship between the pounds of candy and the cost.

Part A: If each pound costs $1.15, then p pounds cost $1.15p. Then the equation of the cost c is:

c = 1.15p

The cost of shipping p=2 pounds of candy is:

c = 1.15*2 = 2.30

c = $2.30

Part B: When the company reduces the cost by $0.25 per pound, the new unit cost is $1.15 - $0.25 = $0.90 per pound.

The new equation to determine the total cost for p pounds of candy is:

c = 0.90p

8 0
3 years ago
Find the total surface area of a sphere radius being 7cm
Lilit [14]

Answer:

A≈615.75m²

Step-by-step explanation:

Solution

A=4πr2=4·π·72≈615.75216m²

Hope this helped!!!

6 0
3 years ago
Question 4
polet [3.4K]

Answer:

12/7 hours

Step-by-step explanation:

First find the rate for hour for the two. For Lianne she can do 1/3 of the job per hour. For Julie she can do 1/4 of the job per hour.

Adding them together, 1/3+1/4= 7/12.  

This 7/12 means that working together they can finish 7/12 of a job in an hour. We can use the speed*time=distance formula here and see that

7/12 * time = 1 job done

time = 12/7 hours.

7 0
2 years ago
Movie theater makes 40% on every ticket they sell. If the theater made $24,850 in ticket sales last month, what was the total mo
shtirl [24]
If you were supposed to find 40% of $24,850 then the answer would be $9940. 
4 0
3 years ago
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