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romanna [79]
3 years ago
15

Of the 320 students in 8th grade 2/5,have a pet. How many students in 8th grade have a pet?

Mathematics
1 answer:
jasenka [17]3 years ago
7 0

Answer:

128

Step-by-step explanation:

Multiply 320 times 2/5 and get an answer of 128.

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A group of neighborhood families are planning a trip to the museum
Brums [2.3K]

and when they got there they all got teleported back in time 66, 000, 000 years ago to the dinosaurs

6 0
3 years ago
Vivian found data about her city's population and made a scatter plot the equation of the linebbest fit for. Her data is p= 637.
Andre45 [30]

Answer:

annual growth rate m = 637.5 people / year

Step-by-step explanation:

Solution:-

- The scatter plot displaying the city's population was modeled by a linear equation of the form:

                               y = m*x + c

Where, m and c are constants.

- The scatter plot displayed the following relation of the city's population (p):

                               p = 637.5*t + 198,368.1

Where, p : The population in t years after after 1990

            t : The number of years passed since 1990.

- The slope of the graph "m = 637.5" denotes the rate of change of dependent variable with respect ot independent variable:

                             dp / dt = m = 637.5

- So the rate of change of population per unit time t since 1990 has been constant with a an annual growth rate m = 637.5 people / year

7 0
3 years ago
After years of maintaining a steady population of 32,000, the population of a town begins to grow exponentially. After 1 year an
qwelly [4]

Answer:

y = 32,000(1.08)^x

Step-by-step explanation:

The exponential growth equation is y = a(1 + r)^x, where a is the initial amount, r is rate as a decimal, and x is the time.

In this situation, 32,000 is the initial amount (a) and 0.08 is the rate (r)

If we plug these into the equation, we get the equation y = 32,000(1.08)^x

So, y = 32,000(1.08)^x is the correct answer.

4 0
3 years ago
Which of these expressions is equivalent to 3/6
zmey [24]
1/2, 6/12, 9,/18, and 15/30
7 0
2 years ago
Find 10th term of a geometric sequence whose first two terms are 2 and -8. Please answer!!
Shalnov [3]

Answer:

The 10th term is -524,288

Step-by-step explanation:

The general format of a geometric sequence is:

a_{n} = r*a_{n-1}

In which r is the common ratio and a_{n+1} is the previous term.

We can also use the following equation:

a_{n} = a_{1}*r^{n-1}

In which a_{1} is the first term.

The common ratio of a geometric sequence is the division of the term a_{n+1} by the term a_{n}

In this question:

a_{1} = 2, a_{2} = -8, r = \frac{-8}{2} = -4

10th term:

a_{10} = 2*(-4)^{10-1} = -524288

The 10th term is -524,288

6 0
3 years ago
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