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borishaifa [10]
3 years ago
8

On a map, 2 1/2 cm represents 60 km. What is the actual distance between two cities that are 5 1/2 cm apart on the map?

Mathematics
1 answer:
lesya [120]3 years ago
8 0

Answer:

They would be 132km apart

Step-by-step explanation:

In order to solve this we need to set up a proportion. To make that easier, let's first change the fractions into decimals.

2 1/2 = 2.5

5 1/2 = 5.5

Now we can put the scale in the right side fraction and the distance in the left.

2.5cm/60km = 5.5cm/xkm

Now cross multiply to solve

60 * 5.5 = 2.5 * x

330 = 2.5x

132 = x

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Calculate the total surface area of the pyramid. Show your work!
Vinil7 [7]

Answer: 22.44

Step-by-step explanation:

Base × Height /2 → (3 × 2.24)/2

3.36 · 4 = 13.44

13.44 + 3²

22.44

7 0
3 years ago
Tbh I'm just too lazy to actually do this and my head hurts from the rest of my school work so I'm just asking it on here -2/5 +
Leto [7]

Answer:

1/10

Step-by-step explanation:

-2/5 + 1/2

-4/10 + 5/10

-4 + 5/10

= 1/10

Hope this helps!

6 0
4 years ago
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Compare 2.3 and 2.03
Andru [333]
2.3= 2.03 so there for it is equal
8 0
3 years ago
A supervisor must split 60 hours of overtime between five people. One employee must be assigned twice the number of hours as eac
Nezavi [6.7K]
<h3>4 people do 10 hours and one person does 20 hours</h3>

<em><u>Solution:</u></em>

Given that,

A supervisor must split 60 hours of overtime between five people

One employee must be assigned twice the number of hours as each of the other four employees

Let  "x" be the number of hours overtime per person.

One person does 2x hours of overtime

Which means,

(number of hours overtime per person)(6 person) = 60 hours

6x = 60

x = 10

Thus, 4 people do 10 hours and one person does 20 hours

6 0
3 years ago
In the Minnesota Northstar Cash Drawing, you pick five different numbers between 1 and 35. What is the probability of picking th
maw [93]

Answer:

\frac{1}{324632} probability of picking the winning combination

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Since the order is not important, the combinations formula is used to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes:

The correct five numbers from a set of 5. So

D = C_{5,5} = \frac{5!}{5!0!} = 1

Total outcomes:

Five numbers from a set of 35. So

T = C_{35,5} = \frac{35!}{5!30!} = 324632

Probability:

p = \frac{D}{T} = \frac{1}{324632}

\frac{1}{324632} probability of picking the winning combination

5 0
2 years ago
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