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elena55 [62]
3 years ago
10

A triangle has an area of 14 square units. Its height is 7 units. What is the length of its base?

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0
The base should be 4. 
Area=1/2* b *h
4*7=28/2=14. 
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A shopkeeper buys two types of tea one at $20 for 10 kg and the other at $23 for 10 kg. He mixes the two types and the mixture i
lorasvet [3.4K]
Let us take the case of first type of tea
Cost of 10 kg of tea one = $20
Then
Cost of 1 kg of tea one = (20/10) dollars
                                     = 2 dollars
Now let us take the case of the second kind of tea
Cost of 10 kg of tea = $23
Then
Cost of 1 kg of tea = (23/10) dollars
                               = 2.3 dollars
So
The mixture of 1 kg of tea one
and 1 kg of second type of tea will cost = (2.0 + 2.3) dollars
                                                                = 4.3 dollars
Then the cost of 2kg mixture of tea costs = 4.3 dollars
So
The cost of 10 kg mixture will cost = (4.3/2) * 10 dollars
                                                         = 4.3 * 5 dollars
                                                        = 21.5 dollars
Then
The amount of profit made by selling 10 kg tea at $38 = (38 - 21.5) dollars
                                                                                       = 16.5 dollars
So
Percentage of profit made = (16.5/21.5) * 100
                                           = 1650/21.5
                                           = 76.74 percent
So the percentage of profit made is 76.74%.
3 0
3 years ago
Determine the correct value of 3x + 2 when x = 5. Show your work
Alexxandr [17]

Answer:

17

Step-by-step explanation:

3 multiply by 5 (which is x) = 15+2

7 0
3 years ago
a dinosaur fossil is 92,170,000 years old. How can you express this age in scientific notation with the highest level of precisi
pshichka [43]
B.  9.217x10^7 that is the answer

5 0
3 years ago
Read 2 more answers
Round these to the nearest hundredth
Tanzania [10]
1. 66.60
2. 48.00
3. 71.40
4. 2.95
5. 3.35
6. 2.50
7. 16.75
8. 6.66
9. 583.30
10. 13.00
11. 18.65
14. 26.98
Hope this could help
4 0
3 years ago
1. Dr. Stats plans to toss a fair coin 10,000 times in the hope that it will lead him to a deeper
ankoles [38]

Answer:

No matter what the odds would be 50% just like the odds of a kid being a boy for example so the right answer is D.

D)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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