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Nataliya [291]
3 years ago
7

Please need help I will be MARKING as BRIANILIST. thank you so much. ​​

Mathematics
2 answers:
Elena L [17]3 years ago
6 0

Answer:

C

Step-by-step explanation:

1 page every 3 minutes

18 pages will take 3 × 18 = 54 minutes to read.

dlinn [17]3 years ago
3 0

Answer:

C. Multiply 3 by 18

Step-by-step explanation:

Susan reads:

1 page in 3 mins

So,

1 page = 3 mins

<u><em>If we want the time for 18 pages, we would multiply both sides by 18</em></u>

So,

18 pages = 3×18 mins

18 pages = 54 mins

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3 years ago
What is the probability that Jim, Bruce, Valerie, and Simon are selected in that order
irinina [24]

The first person can be chosen in 4 different ways.

The second person can be chosen in 3 different ways.

The third person can be chosen in 2 ways

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4 * 3 * 2 * 1

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7 0
3 years ago
Calculate the average speed for the following sections on the graph.
Dimas [21]

Answer:

A to B = 2000 m/s

C to D = 30,000m/s

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3 0
2 years ago
Read 2 more answers
Twice the sum of a number and 5 is equal to three times the difference of the number and 7. Find the number.
Alexandra [31]

Step-by-step explanation:

Let the required number be x.

According to the given information:

2(x + 5) = 3(x - 7) \\  \\  \therefore \: 2x + 10 = 3x - 21 \\  \\   \therefore \: 10 + 21 = 3x -2x \\  \\ \therefore \: 31 = x \\  \\  \huge \red { \boxed{\therefore \: x = 31}}

Hence the required number is 31.

5 0
3 years ago
Lets see who is smart lol
Simora [160]

9514 1404 393

Answer:

  \square\quad{y=\dfrac{1}{2}x+4}\\\\\square\quad{\dfrac{y-5}{x-2}=\dfrac{1}{2}}

Step-by-step explanation:

The slope of a line is the same everywhere, so an equation can be written making use of that fact.

  \dfrac{y-y_1}{x-x_1}=\dfrac{y_2-y_1}{x_2-x_1}\\\\\dfrac{y-5}{x-2}=\dfrac{7-5}{6-2}=\dfrac{2}{4}\\\\\boxed{\dfrac{y-5}{x-2}=\dfrac{1}{2}}

Cross-multiplying gives ...

  2(y -5) = x -2

  2y -10 = x -2  . . . eliminate parentheses

  2y = x +8 . . . . . . . add 10; next, divide by 2

  \boxed{y=\dfrac{1}{2}x+4}

__

These equations match choices B and D.

6 0
3 years ago
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