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zheka24 [161]
3 years ago
15

A marine biologist is studying the population of bottle-nosed dolphins that lived in the Gulf of Mexico. On an outing one summer

, they captured and tagged 60 dolphins. The next summer, they captured 90 and found that only 12 had been tagged. Based on this data, how many dolphins can they assume are living in the Gulf of Mexico?
Mathematics
1 answer:
mr Goodwill [35]3 years ago
8 0

Answer:

.......

Step-by-step explanation:

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Herb has sold 93, 30, 138 and 61 copiers in the last
luda_lava [24]

Answer:

73

Step-by-step explanation:

Mean is the number of copiers combined / number of months

79 * 5 = 395

93 + 30 + 138 + 61 = 322

395 - 322 = 73

3 0
3 years ago
The cost of a cycle is $ 950 and that of a scooter is $ 23,500. He sold them together for $ 25,000. Find his profit. ​
e-lub [12.9K]

actual cost is 950+23,500=24450

he sold them for 25000 so his profit is 25000-950-23500=550

4 0
3 years ago
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Use long division to find the quotient​ Q(x) and the remainder​ R(x) when​ P(x) is divided by​ d(x) and express​ P(x) in the for
lilavasa [31]

Answer:

P(x)=(x+9)(x^2-7x+52)+3

Step-by-step explanation:

We are given that

P(x)=x^3+2x^2-11x+471

d(x)=x+9

We have to find the value of Q(x) and Remainder R(x).

Quotient, Q(x)=x^2-7x+52

Remainder,R(x)=3

We know that

Dividend=Divisor\times Quotient+Remainder

P(x)=(x+9)(x^2-7x+52)+3

4 0
3 years ago
Please help! asap <br> d- 5.44
masya89 [10]

Answer:

Step-by-step explanation:

2.72 is the unit rate

5 0
3 years ago
8x=-4(x+3)<br> I would really appreciate some help
olganol [36]

Answer:

x = -1

Step-by-step explanation:

8x = - 4(x + 3)

8x = -4x - 12

+4x  +4x

<u>12x = -12</u>

12       12

x = -1

  • Remember, a negative times a positive equals a negative
  • Remember, a negative divided by a positive equals a negative

Hope this helps you!!! :)

4 0
3 years ago
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