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raketka [301]
3 years ago
11

Researchers wanted to estimate how many lizards were living in a nearby wildlife preserve. The researchers went to the preserve

and marked 65 lizards. A few weeks later, they returned to the preserve and counted 480 lizards, of which 40 were marked. To the nearest whole number, what is the best estimate for the lizard population?
Mathematics
1 answer:
JulijaS [17]3 years ago
7 0

Answer:

rrnnrnnrnrnrehjrhhrhrhreebbh5hjhj4hjhjehjhj

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%20%2B%20n%7D%7B4%7D%20%20%3D%20%20-%201" id="TexFormula1" title=" \frac{5 + n}{
Delvig [45]

Answer:

n=   -9

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Tony makes a phone call at a pay phone. The charge is 25 cents for the first four minutes,and 19 cents for each additional minut
Amiraneli [1.4K]
C=x.19+.25
C means the total cost
X means the extra minutes
6 0
4 years ago
Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and
MakcuM [25]

Answer:

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

Step-by-step explanation:

<u><em>The complete question is</em></u>

Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and each peach costs $2. She bought  a total of 14 peaches and bananas altogether. Determine the number of peaches and the  number of bananas that Emily bought

Let

x ----> the number of bananas that Emily bought

y ----> the number of peaches that Emily bought

we know that

She bought  a total of 14 bananas and peaches altogether

so

x+y=14 -----> equation A

She bought $20.80 worth of bananas and peaches

so

0.80x+2y=20.80 -----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point (6,8)

see the attached figure

therefore

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

3 0
3 years ago
A sample of 7 students was taken to see how many pencils they were carrying 2,3,2,5,7,1,4 calculate the standard deviation
Firdavs [7]

Answer:

1.92

Step-by-step explanation:

6 0
3 years ago
Y + 7 = 4(x + 2)<br> Write in standard form.
rjkz [21]
This you answer for sure

8 0
3 years ago
Read 2 more answers
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