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Stells [14]
3 years ago
13

A map has a scale of 1 cm : 9 km. If two cities are 10 cm apart on the map, what is the actual distance between the cities, to t

he nearest tenth of a kilometer?
Mathematics
1 answer:
Ymorist [56]3 years ago
8 0
We can solve this problem by the rule of three:
1 cm-----------------9 Km
10 cm----------------  x

x=(10 cm * 9 km) / 1 cm=90.0 Km.

answer: 90.0 Km
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Complete the explanation of why it is possible to draw more than two different rectangles with an area of 100 square units, but
Marysya12 [62]

Answer:

100 has <u>5</u> factor pairs, so that many different rectangles can be drawn. 15 only has <u>2</u> factor pairs, so only that many different rectangles can be drawn.

Explanation:

there are 5 pairs of whole numbers that multiplied together will be 100:

  1. 100 x 1 = 100
  2. 50 x 2 = 100
  3. 25 x 4 = 100
  4. 20 x 5 = 100
  5. 10 x 10 = 100

while there are only 2 pairs of whole numbers that multiplied together will be 15:

  1. 15 x 1 = 15
  2. 3 x 5 = 15

7 0
3 years ago
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3 years ago
Which is the solution set of the compound inequality 3.5 x minus 10 greater-than negative 3 and 8 x minus 9 less-than 39
dexar [7]

The solution for the compound inequality is x \in(2,6)

Explanation:

The equations are 3.5x-10>-3 and 8x-9

To find the solution set for these compound inequalities, we need to solve the inequality.

First, we shall solve the inequality 3.5x-10>-3

Adding both sides of the equation by 10, we have,

3.5x>7

Dividing both sides by 3.5, we get,

x>2

Now, we shall solve the inequality 8x-9,

Adding both sides of the equation by 9, we have,

8x

Dividing both sides by 8, we get,

x

Thus, the solution set for the inequalities 3.5x-10>-3 and 8x-9 is x \in(2,6)

4 0
3 years ago
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Answer:The length of one side would be 11

Step-by-step explanation:

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a store has 30 boxes of melon each box has 4 bags each bag holde 2 melons what is the total number of melon in the store?
Zarrin [17]
180 melons

4 x 2 x 30
8 0
3 years ago
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