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2 years ago

Twice a number decreased by four is greater than ten, what numbers satisfy this condition?

Mathematics

2 answers:

miss Akunina [59]2 years ago

5 0

10 times 2 equals 20 minus 4 is a number greater than 10. (16)
This would satisfy the condition.

lara31 [8.8K]2 years ago

3 0

2x > 10+4
x > 14/2
x > 7

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3 years ago

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3 years ago

The area of a trapezium is 35cm2.find its altitude if the bases is 6cm and 8cm

r-ruslan [8.4K]

Answer: altitude: 5 cm

Explanation:

$\sf \dfrac{1}{2} ( a + b) h = Area \ of \ trapezium$

[ a and b are bases, h is the altitude ]

Here given:

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a = 6

b = 8

h = ?

Solve for altitude:

$\sf \rightarrow \sf \dfrac{1}{2} ( 6 + 8) h = 35 \ \ \ \Rightarrow \ \ \ \dfrac{1}{2} ( 14) h = 35 \ \ \ \ \Rightarrow \ \ \ \ 7 h = 35 \ \ \ \ \Rightarrow \ \ h = \dfrac{35}{7} \ = \ 5$

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