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const2013 [10]
3 years ago
10

20 teachers selected sun rise beach. 12 teachers selected Mkapa bridge and St. Anthony's area. 16 teachers selected St.Anthony's

area and Sun rise beach. 5 teachers selected all the three places. Each teacher selected at least two places. ( a) How many teachers selected Sun rise beach and Mkapa bridge (b) How many teachers were there?​
Mathematics
1 answer:
mart [117]3 years ago
8 0

Answer:

vaq-kdae-dfm come all bad gi rls

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A scale drawing for a backyard is shown below.
scZoUnD [109]

The area of real patio is 50m².

Step-by-step explanation:

Given,

Length of patio = 3 cm

Width of patio = 6 cm

According to scale =

3 cm = 5m

1 cm = \frac{5}{3}\ m

6 cm = \frac{5}{3}*6 = 10\ m

Real length of patio = 5 m

Real width of patio = 10 m

Area = Length*width

Area=5*10\\Area=50\ m^2

The area of real patio is 50m².

Keywords: area, multiplication

Learn more about areas at:

  • brainly.com/question/13086598
  • brainly.com/question/13087541

#LearnwithBrainly

3 0
3 years ago
If log (m + n) = log m+log n, show that m =n/n-1​
Sedbober [7]

log (m + n) = log m+ log n and proved it m =n/n-1​

Given;

If log (m + n) = log m+ log n

To show that the m =n/n-1​

Now, According to the question:

We know that,

Log (m + n) = log m + log n

Log (m + n ) = log (mn).                 [log a + log b = log ab ]

Cancelling the log on both sides.

then,

m + n = mn

=> n = mn - m

=> n = m (n - 1)

=> m = n / n - 1

Hence Proved

log (m + n) = log m+ log n and proved it m =n/n-1​

What is Logarithm?

A logarithm is the power to which a number must be raised in order to get some other number (see Section 3 of this Math Review for more about exponents). For example, the base ten logarithm of 100 is 2, because ten raised to the power of two is 100: log 100 = 2.

Learn more about Logarithm at:

brainly.com/question/16845433

#SPJ1

 

3 0
1 year ago
Cesar and Jocelyn are planning their trips to three countries next year. There are 7 countries they would like to visit. One tri
tresset_1 [31]

Answer:

They need five weeks to make all their travels.

Step-by-step explanation:

Given that Cesar and Jocelyn are planning their trips to three countries next year.

One trip will be one week long, another two days, and the other two weeks.

In conclusion, they need five weeks to make this travel.

7 0
3 years ago
Aliens spotted! They have pulled up 97 chickens, 47 cows, and 77 humans. What is the probability, if they randomly select from a
emmainna [20.7K]
The answer would be 0.34. Theres 77 humans out of 221 beings, which means 77/221. Simplifying this fraction gives us 0.34.
4 0
3 years ago
How are mathematical models helpful? What are the advantages and disadvantages of using a model?
Gemiola [76]
Mathematical models are helpful. Advantages include helping you see the data clearer and helping you visualize. Disadvantages are: time consuming, and if you make a mistake on the graph, its going to hit the entre thing.
6 0
3 years ago
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