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raketka [301]
3 years ago
9

Which quantity is proportional to 21/3

Mathematics
1 answer:
suter [353]3 years ago
7 0

Answer:

7/1 you can simplify the top and bottom by 3

Step-by-step explanation:

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What is 3/12 in lowest terms?
Naily [24]

Answer:

1/4

Step-by-step explanation:

3/12 simplified is 1/4 because both the numerator and the denominator are divisible by 3. After dividing the numerator and denominator by 3, you get 1/4.

4 0
3 years ago
Read 2 more answers
The question is in the picture. The answer is 14 but I don't know how to get that.
andrezito [222]
Let's convert the problem into Arithmetic progression:
It would be: 5, 9, 13, .... 

Here, a = 5, d = 9 - 5 = 4
We know, S(n) = n/2 [ 2a + (n-1)d ]

Substitute the known values, 
434 = n/2 [ 2(5) + (n - 1)4 ]
434 * 2 = n [ 10 + 4n - 4 ]
868 = 10n + 4n² - 4n
= 4n² + 6n - 868 = 0

d = b² - 4ac
d = 6² - 4(4)(-868)
d = 36+13888
d = 13924

Now, roots = -b +- √d / 2a
= (-6 + √13924) / 2(4)   OR  (-6 - √13924) / 2(4)
= (-6 + 118) / 8   OR  (-6 - 118) / 8
= 112/8  OR  -124/8
= 14 OR -15.5

As number of sticks can't be in negative/decimal or fraction form, -15.5 would be fully rejected.

In short, Your Answer would be 14 [ Remaining root ]

Hope this helps!
7 0
3 years ago
Read 2 more answers
What is the appropriate measure of angle B?
erica [24]

Answer:

36.87

Step-by-step explanation:

sin(b)/12 = .05

arcsin(.6) = 36.87

8 0
3 years ago
Find the area of a triangle with the given description. (Round your answer to one decimal place.)
Allushta [10]

9514 1404 393

Answer:

  67.0 square units

Step-by-step explanation:

The formula for the area is ...

  Area = 1/2ab·sin(C)

  Area = (1/2)(14)(28)sin(20°) ≈ 67.036 . . . . square units

The area of the triangle is about 67.0 square units.

6 0
3 years ago
Witch is greater 6.41 or 6.38
bearhunter [10]

Answer:

6.41

Step-by-step explanation:

if u subtract 6.38 from 6.41  you have .03 left over.

4 0
3 years ago
Read 2 more answers
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