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Nataliya [291]
3 years ago
12

kim needs to read 147-page book for class. she has one week to read it, and she plans to read an equal amount of pages each day.

how many pages she needs to read per day to be prepared for class?
Mathematics
1 answer:
kipiarov [429]3 years ago
7 0
21 pages. you divide 147 by 7 and get 21 pages
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Help please!!!!!!!!!!!!!!!!!
krok68 [10]
C. 0.25 because you divide 0.06 by 0.24
5 0
3 years ago
Factor out the gcf -15y - 25<br>help me plzzzz​
denpristay [2]

Answer: -5(3y+5)

Step-by-step explanation:

5 0
3 years ago
find the area of the regular decagon if the apothem is 5 inches and a side is 3.2 inches. Round to the nearest whole number
Lilit [14]

When you are given the side length and apothem of a regular polygon and asked for area, you are expected to use the formula

... A = (1/2)Pa

where P is the perimeter of the polygon, "a" is the apothem, and A is the area.

The only additional information you need is that a decagon has 10 sides, so its perimeter is 10×3.2 inches = 32 inches.

The area is ...

... A = (1/2)(32 in)(5 in)

... A = 80 in²

_____

Sometimes the dimensions of a problem like this don't quite add up. The geometry of a regular polygon means that the apothem can be found from the side length and vice versa. In this case, the side length of 3.2 inches means the apothem is about 4.92 inches; or the apothem of 5 inches means the side length is about 3.25 inches. Either way, the area is slightly different from that computed using the given numbers.

This is why I say you're expected to use the above formula. (You're not expected to think about it too much.)

3 0
3 years ago
The table shows a proportional relationship between the number of pounds of bananas purchased and the total cost of bananas.
Liula [17]

Answer:

Choice A, C and E

Step-by-step explanation:

<em>Your table is poorly presented</em>

Given

x      y

\begin{array}{cc} {3} & {1.47} \ \\ {5} & {2.45} \ \\ {9} & {4.41} \ \ \end{array}

First, we calculate the constant of proportionality (k)

k = \frac{y}{x}

For (3,1.47)

k = \frac{1.47}{3}

k = 0.49

For (5,2.45)

k = \frac{2.45}{5}

k = 0.49

For (9,4.41)

k = \frac{4.41}{9}

k = 0.49

From the above calculations, the constant of proportionality is 0.49.

So, the usable rows must also have 0.49 as their constant of proportionality

<u>Choice A</u>

(x,y) = (2,0.98)

k = \frac{0.98}{2}

k = 0.49 --- <em>This is usable</em>

<em />

<u>Choice B</u>

(x,y) = (7,4.45)

k = \frac{4.45}{7}

k = 0.64 --- <em>This is not usable</em>

<em />

<u>Choice C</u>

(x,y) = (6,2.94)

k = \frac{2.94}{6}

k = 0.49 --- <em>This is usable</em>

<em />

<u>Choice D</u>

(x,y) = (1,0.54)

k = \frac{0.54}{1}

k = 0.54 ---- <em>This is not usable</em>

<em />

<u>Choice E</u>

(x,y) = (8,3.92)

k = \frac{3.92}{8}

k = 0.49 --- <em>This is usable</em>

5 0
3 years ago
Please help on 8, 9, and 10! Each answer must Be 9! PLEASE With shown work HELP IS APPRECIATED!
Darina [25.2K]

8:

5, 5, 5, 5

5 + 5 - 5 ÷ 5

5 + 5 - 1

10 - 1

9


10:

3, 3, 5, 8

3 + 3 - 5 + 8

6 - 5 + 8

6 + 3  

9






5 0
4 years ago
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