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lidiya [134]
3 years ago
11

Find the percent of decrease from 62 trees to 31 trees. Round the percent to the nearest tenth if necessary.

Mathematics
1 answer:
Damm [24]3 years ago
3 0

Answer:

50% decrease

Step-by-step explanation:

since a 31 tree decrease is half of 62 the percent would be a 50% decrease (half)

So the answer is 50% decrease

Hope this helps :)

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4 1/5 + 2 5/6 = ? <br><br> 6 1/6 <br> 6 1/30 <br> 7 1/4 <br> 7 1/30
grigory [225]

Answer:

7 1/30

Step-by-step explanation:

4 1/5 + 2 5/6

Get a common denominator of 30

4 1/4 = 4 1/5*6/6 = 4 6/30

2 5/6 *5/5 = 2 25/30

4 6/30 + 2 25/30

6 31/30

Rewriting

6 30/30 + 1/30

6 + 1 + 1/30

7 1/30

6 0
3 years ago
Read 2 more answers
Find the cost of three packages of ground meat weighing 320 g, 124 g, and 876 g if the price per kilogram is $2.99.
djverab [1.8K]
9705.54. That is the answer my boy

7 0
3 years ago
a news paper carrier has 10.30 in change. he has two more quarters than dimes but three times as many nickles as quarters. how m
Karolina [17]
A) .05n + .10d + .25 q = 10.30
B) d +2 = q
C) n = 3q
Substituting equations B and C into A
A) .05*3q + .10(q-2) + .25 q = 10.30
A) .15q + .1q -.2 + .25q = 10.30
A) .50q = 10.50
21 quarters

C) n = 3q
C) n = 3*21
63 nickels

B) d +2 = q
d + 2 = 21
19 dimes


4 0
3 years ago
Find the midpoint between each pair of points.<br> (-1,-5) and (-5,9)
Paul [167]

Answer:

work is pictured and shown

4 0
3 years ago
These tables represent a quadratic function with a vertex at (0,3). What is the average rate of change for the interval from X =
Eva8 [605]

Answer:

-19

Step-by-step explanation:

The missing table is shown in the attachment.

Since the quadratic function has vertex at (0,3), its equation is of the form;

y = a {x}^{2}  + 3

To find the value of 'a' we substitute any other point from the table say (1,2) to get:

2 = a( {1)}^{2}  + 3

a = 2 - 3 =  - 1

Hence the function is

y =  -  {x}^{2} +  3

Now

f(10) =  - 100 + 3 =  - 97

f(9) =  - 81 + 3 =  - 78

The average rate of change from x=9 to x=10 is

\frac{f(10) - f(9)}{10 - 9}  =  \frac{ - 97 -  - 78}{1}  =   - 19

7 0
4 years ago
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