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pshichka [43]
2 years ago
12

Im confused Can Someone Help Me :0

Mathematics
2 answers:
Cerrena [4.2K]2 years ago
7 0

Answer:

125

Step-by-step explanation:

First, solve the exponent:

5^2 = 5x5 = 25

Then solve the rest:

5x25-125

alina1380 [7]2 years ago
5 0

Answer:

125

Step-by-step explanation:

We need to follow PEMDAS (or BODMAS):

This says that we need to do exponents first, so we'll do the square root of 5, giving us 25.

After this we will multiply 5 by 25, giving us the answer of 125.

*The key point in this problem is using PEMDAS (or BODMAS) correctly.

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4 years ago
Alesha is inviting 10 friends to a party, and each friend will get 5 cookies. How many cookies does Alesha need to get
Montano1993 [528]

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5 0
3 years ago
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3 years ago
I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.
Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

so

\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20

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6 0
3 years ago
HELP PLEASE!!!
ch4aika [34]

Answer:

The population of Bear in 2050 is 4750000

Step-by-step explanation:

A) The exponential growth equation for bear is as follows -

dN/dT = rmax * N

Where dN/dT = change in population

rmax is the maximum rate of change

N = Base population

B) Here the per capita rate of increase (r) will always be a positive value irrespective of the and hence we will assume this population to be growing exponentially.

C) dN/dT = rmax * N

D) dN / 5 = 2.5 * 380,000

dN = 5*2.5 * 380000

= 4750000

8 0
3 years ago
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