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3 years ago

List the next four multiples of the unit fraction 1/5,

Mathematics

1 answer:

svetoff [14.1K]3 years ago

6 0

Next multiples of the unit fraction 1/5 are
2/5
3/5
4/5
5/5 = 1

Hope this helps.. :)

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2 What is the constant in the expression 8x3 + 5 + 7x2 + 6x? A 8 B 5 C 7 D 6

lys-0071 [83]

Answer:
D) 6
Step by step explanation:
6x is the coefficient the constants would be 8,3,5,7 and 2.

Coefficient is the number with a variable and a constant is a number on its own.

Hopefully this helped!!

3 0

3 years ago

Need help simplifying, (-6√80)(3)

svlad2 [7]

-72\sqrt(5) this is the answer i did all my math and i got this answer

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3 years ago

Given the graph, find an equation for the parabola.

Sauron [17]

Answer:

$\Large \boxed{\sf \bf \ \ y=\dfrac{1}{16}(a-3)^2-2 \ \ }$

Step-by-step explanation:

Hello, please consider the following.

When the parabola equation is like

$y=a(x-h)^2+k$

The vertex is the point (h,k) and the focus is the point (h, k+1/(4a))

As the vertex is (3,-2) we can say that h = 3 and k = -2.

We need to find a.

The focus is (3,2) so we can say.

$2=-2+\dfrac{1}{4a}\\\\\text{*** We add 2. ***}\\\\\dfrac{1}{4a}=2+2=4\\\\\text{*** We multiply by 4a. ***}\\\\16a=1\\\\\text{*** We divide by 16. ***}\\\\a=\dfrac{1}{16}$

So an equation for the parabola is.

$\large \boxed{\sf y=\dfrac{1}{16}(a-3)^2-2 }$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

4 0

3 years ago

At 3pm, the temperature outside was 5 1/5 degrees Fahrenheit. The temperature then fell steadily by 2 1/2 degrees per hour for t

myrzilka [38]

Answer:

-4 4/5 deg F

Step-by-step explanation:

3 pm: 5 1/5 deg

2 1/2 deg per hour for 4 hours = 2 1/2 deg * 4 = 10 deg

7 pm: 5 1/5 deg - 10 deg = -4 4/5 deg

5 0

3 years ago

Find the mode, median, mean, and range for each data set. Round the mean to two decimals places, where necessary.

Verdich [7]

Answer:

The median, mean, and mode of the data set are 5, 4.8, and both 4 and 5 respectively.

Step-by-step explanation:

To find the median of a data set, line up all values from greatest to least and find the number in the center. For example, in the set 1; 2; and 3, 2 would be the median. In this case, the order would be 2, 4, 4, 4, 5, 5, 5, 6, 6, 7. The two numbers in the middle are 5 and 5, their average is 5, so that would be the median. The mean of a data set is the average of all data values in a set. In this case, there are 10 data values, and their total sum is 48, so the mean of this data set is 4.8. The mode of a data set is the value that occurs the most in a set. In this case, 2 occurs once, 4 occurs three times, 5 occurs three times, 6 occurs twice, and 7 occurs once, so the mode of this data set is both 4 and 5.

3 0

3 years ago