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Dmitry [639]
3 years ago
6

Which of the following sets are continuous? Please help

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

A, C and D are continuous

Step-by-step explanation:

A is a set of any number x which 30 < x <=45

B is a set that contains only 3 and 7

C is a set of any number x which 60 <= x < 100

D is a set of any number x which -infinity < x < + infinity

E is a set that contains only even whole numbers

A continuous data set is a quantitative data set representing a scale of measurement that can consist of numbers other than whole number, like decimals and fractions.

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A swimming pool is to be drained. The pool is shaped like a Rectangular prism with length 12m , with 10 m, and depth 3m. Suppose
tiny-mole [99]

Answer:

20 hours

Step-by-step explanation:

first calculate volume:

12x10x3=360

then divide by 18

360/18=20

So 20 hours in total

6 0
3 years ago
Find the vertex form of <br><br> y= -1/2 (x^2-6x-7)
Westkost [7]
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How many pizza can be bought with 125$
Whitepunk [10]

Answer:

depends how much the pizza is

8 0
3 years ago
What are the coordinates of point S"? (negative three-halves, nine-halves) (negative nine-halves, fifteen-halves) (nine-halves,
kow [346]

Answer:

S=(\frac{9}{2},-\frac{3}{2})

Step-by-step explanation:

The missing details are:

T= (0,4)

M = (\frac{9}{4}, \frac{5}{4}) --- Midpoint of ST

Required

Determine the coordinates of S

To do this, we apply the mid-point formula:

M(x,y) = \frac{1}{2}(x_1+x_2,y_1+y_2)

Where

M(x,y) =  (\frac{9}{4}, \frac{5}{4})

T(x_1,y_1) - (0,4)

The equation becomes:

M(x,y) = \frac{1}{2}(x_1+x_2,y_1+y_2)

(\frac{9}{4},\frac{5}{4}) = \frac{1}{2}(0+x_2,4+y_2)

(\frac{9}{4},\frac{5}{4}) = \frac{1}{2}(x_2,4+y_2)

Multiply through by 2

2*(\frac{9}{4},\frac{5}{4}) = 2*\frac{1}{2}(x_2,4+y_2)

(\frac{9}{2},\frac{5}{2}) = (x_2,4+y_2)

By comparison:

x_2 = \frac{9}{2}

4 + y_2 =\frac{5}{2}

y_2 =\frac{5}{2}-4

y_2 =\frac{5-8}{2}

y_2 =-\frac{3}{2}

Hence, the coordinates of S is:

S=(\frac{9}{2},-\frac{3}{2})

5 0
3 years ago
In one hour Dele walks 8km. How<br> long will it take her to walk 14km at<br> the same rate?
denis-greek [22]

Answer:

1.45 h

Step-by-step explanation:

common factor of 8 and 14 is 2.

every 2km dele takes 15 minutes.

we know this because 15 minutes is 1/4 of an hour and 2km is 1/4 of 8km

14km/2km = 7

7*15 minutes = 1.45 hours

3 0
3 years ago
Read 2 more answers
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