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ipn [44]
3 years ago
5

Which of the following is a proportion? 5/6= 10/18 4/6 = 6/9 4/3 = 6/8 2/5 = 4/25

Mathematics
1 answer:
Stells [14]3 years ago
6 0

Answer:

4/6 = 6/9

Step-by-step explanation:

Because 4/6 = 2/3 and 6/9 = 2/3

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Please help ASAP
Arisa [49]

Answer:

2 lessons per day for 27 days and 3 lessons a day for 4 days.

Step-by-step explanation:

66/31 = 2 4/31

Since 66 divided by 31 is 2 with remainder 4, you need to do 31 days of 2 lessons per day. To do the extra 4 lessons, do one more lesson per day for 4 of those days.

That results in:

2 lessons per day for 27 days and 3 lessons a day for 4 days.

Check:

2 lessons a day for 27 days = 2 * 27 = 54

3 lessons a day for 4 days = 3 * 4 = 12

54 + 12 = 66

If you do 2 lessons a day for 27 days and 3 lessons a day for 4 days, you will do the 66 lessons.

5 0
3 years ago
Which statement is true about the function f(x) = -x?
Nataly [62]

Answer:

The answer is "It has the same domain as the function f(x) = --x".

Step-by-step explanation:

If we consider its parent function that is: y= x

Domain function is: x \in (0, \infty)

The range function is: y \in (0, \infty)

The function has both the same (domain and range).

6 0
3 years ago
See attached file. show all work.
andrew11 [14]

The point-slope form of the equation for a line can be written as

... y = m(x -h) +k . . . . . . . for a line with slope m through point (h, k)

Your function gives

... f'(h) = m

... f(h) = k

a) The tangent line is then

... y = 5(x -2) +3

b) The normal line will have a slope that is the negative reciprocal of that of the tangent line.

... y = (-1/5)(x -2) +3

_____

You asked for "an equation." That's what is provided above. Each can be rearranged to whatever form you like.

In standard form, the tangent line's equation is 5x -y = 7. The normal line's equation is x +5y = 17.

3 0
3 years ago
You ask 125 randomly chosen students their favorite sport. There are 1300 students in the school. Based on the results of the su
yan [13]

<u><em>780 students</em></u>

<u><em></em></u>

<em>Set up a proportion.</em>

<em />

<em>75 / 125 = x/1300</em>

<em />

<em>125  10.4 = 1300</em>

<em />

<em>75 * 10.4 = 780</em>

<em />

<em>x=780</em>

5 0
3 years ago
Can you all help me pls. Thanks.
Nataliya [291]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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