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3 years ago

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1. Adelani has to read a 128.5 pages book in 4.5 days. If she wants to pace herself to finish on time, how many pages does she h

ave to read each day to finish the book in 4.5 days?

2 answers:

sdas [7]3 years ago

8 0

Answer:

28.5

Step-by-step explanation:

Take the total # of pages to be READ, 128.5, divide by the # of days, 4.5, your answer is pages to read per day. 128.5/4.5 =28.55. Check your answer by multiplying 28.55x4.5 = 128.5

Hope this helps.

pd :)

Nady [450]3 years ago

8 0

Answer:

i use slader it helps a lot

Step-by-step explanation:

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A, b, and c are collinear, and B is between a and c. The ratio of AB to AC is 1:2. If A is at (7,-1) and B is at (2,1) what are

Nutka1998 [239]

Answer:

C(-3,3)

Step-by-step explanation:

Given

A = (7,-1)

B = (2,1)

AB:AC = 1:2

Required

Determine the coordinates of C

Since, B is between A and C; we need to determine ratio BC as follows;

$AB:AC = 1:2$

Convert to division

$\frac{AB}{AC} = \frac{1}{2}$

<em>AC = AB + BC;</em>

$\frac{AB}{AB + BC} = \frac{1}{2}$

Cross Multiply

$2 * AB = 1 * (AB + BC)$

$2 AB = AB + BC$

$2AB - AB = BC$

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Divide both sides by BC

$\frac{AB}{BC} = 1$

Rewrite as

$\frac{AB}{BC} = \frac{1}{1}$

Write as ratio

$AB:BC = 1:1$

Next is to determine the coordinates of C as follows;

Because B is between both points. we have:

$B(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})$

Where

$m:n = AB:BC = 1:1$

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$B(2,1) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})$

Where

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$x = \frac{mx_2 + nx_1}{m+n}$

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$2 = \frac{x_2 + 7}{2}$

Cross Multiply

$2 * 2 = x_2 + 7$

$4 = x_2 + 7$

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Solving for y2;

$y = \frac{my_2 + ny_1}{m+n}$

$1 = \frac{1 * y_2 + 1 * -1}{1+1}$

$1 = \frac{y_2- 1}{2}$

Cross Multiply

$2 * 1 = y_2 - 1$

$2 = y_2 - 1$

$y_2 = 2 + 1$

$y_2 = 3$

<em>Hence, the coordinates of C are: C(-3,3)</em>

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beks73 [17]

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4 years ago

What is the solution to the inequality?

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ANSWER

A.

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