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pochemuha
3 years ago
5

Tşk şimdiden 17 puan

Mathematics
1 answer:
Kamila [148]3 years ago
5 0

Answer:

um what-?

Step-by-step explanation:

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Evaluate the expression: 0.5f - 2.3g where f = 12 and g = 2
m_a_m_a [10]

Answer:

1.4

Step-by-step explanation:

0.5f-2.3g where f=12 and g=2

substitute 12 in for f and 2 in for g and solve

0.5(12)-2.3(2)

6-4.6=1.4

4 0
3 years ago
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Will mark brainliest and 15 points
defon

Step-by-step explanation:

x + y = 9. => 2x + 2y = 18.

2x + 2y = 18

- (2x - 3y = -12)

=> 5y = 30, y = 6.

Therefore x + (6) = 9, x = 3.

The solution is x = 3 and y = 6.

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2 years ago
Find the simple interest earned, to the nearest cent, for the principal, interest rate, and time.
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3 years ago
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Paul [167]
The first the last and the 2nd last
4 0
3 years ago
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A triangle has side lengths of 11 cm and 7 cm. Which could be the value of the third side, 19 cm or 17 cm ?
9966 [12]

Answer:

By the triangle side length theorem, the sum of the two shorter sides has to be equal to or larger than the third side. Thus, we can write the following inequation.

a

+

b

≥

c

, where a and b are the shorter sides and c the longest.

11, 9 and 15 satisfies this inequality while 11, 9 and 20 doesn't.

Justification:

The reason for this rule is simple; it's because if the longest side is longer than the sum of the two shorter sides, this means that the shorter sides aren't long enough to connect with the longest side, thus rendering the shape a collection of lines and disqualifying the possibility of having a triangle, which was our objective.

Practice exercises:

Which of the following triangles is possible?

a) 4,6 and 14

b) 5,11 and 16

c) 1,3,6

D). 12,19 and 26

Find the smallest possible value of a to make the following an actual triangle :

a

,

14

,

25

Hopefully this helps:

Step-by-step explanation:

8 0
3 years ago
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