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Setler79 [48]
3 years ago
11

Please help me on this.

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0
What is ur subject i would lov o help
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Hi All,
tangare [24]

Answer:

a) modal number of teachers in a car is 3

b) median number of teachers in a car is 3

c) mean number of teachers in a car is 2.5

Step-by-step explanation:

  • modal number is 3 because that is the highest frequency of  numbers of cars
  • median number is 3 because it is the middle number when you expand the frequency table.
  • mean number is 2.5 because that is the approximate average of all the numbers.
8 0
3 years ago
What is nine more than quotient of a number and 6 is equal to 4
salantis [7]
\frac{x}{6} +9 = 3 Hope this helps!
7 0
3 years ago
Which graph shows that ice cream sales increase when temperatures increase
fenix001 [56]

Answer:

.hh

Step-by-step explanation:

jj

5 0
3 years ago
Read 2 more answers
Dr. Silas studies a culture of bacteria under a microscope. The function b(t)=50(1.4)^t represents the number of bacteria t hour
saul85 [17]
a) Remember that the y-intercept of a exponential function f(x)=a^{x} is f(0), so the only thing to do to find the y-intercept in our functions is evaluate it at t=0:
b(t)=50(1.4) ^{t}
b(0)=50(1.4)^{0}
b(0)=50(1)
b(0)=50
We can conclude that the y-intercept of our function is (0,50), and it represents the initial bacteria population in the sample.

b) To find if the function is growing or decaying, we are going to convert its decimal part to a fraction. Then, we will compare the numerator and the denominator of the fraction. If the numerator is grater than the denominator, the function is growing; if the opposite is true, the function is decaying.
Remember that to convert a decimal into a fraction we are going to add the denominator 1 to our decimal and then we'll multiply both of them by a power of ten for each number after the decimal point:
\frac{1.4}{1} . \frac{10}{10} = \frac{14}{10} = \frac{7}{5}
Now we can rewrite our exponential function:
b(t)=50( \frac{7}{5})^{t}
Since the numerator is grater than the denominator, it is growing faster than the denominator; therefore the function is growing.

c) The only thing we need to do here is evaluate the function at t=5:
b(t)=50(1.4)^{t}
b(5)=50(1.4)^{5}
b(5)=50(5.37824)
b(5)=268.912

We can conclude that after 5 hours <span>Dr. Silas began her study will be 268.9 bacteria in the sample.</span>
4 0
3 years ago
sketch nine points. Than, commect the points to form a closed plane fiure. what kind of polygon did you draw​
Vikentia [17]

Answer:

nonagon

Step-by-step explanation:

This polygon, with 9 sides connecting 9 points, is a nonagon.

7 0
3 years ago
Read 2 more answers
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