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-BARSIC- [3]
2 years ago
11

Help me for a brainly :)

Mathematics
1 answer:
Mandarinka [93]2 years ago
5 0

Answer:

60

Step-by-step explanation:

Volume of triangle equals length x width x height

= 6 x 2 x 5

= 60

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Three times the square of a number if five less than sixteen times the number. What is the number?
expeople1 [14]
X - the number

3x^2=16x-5 \\
3x^2-16x+5=0 \\
3x^2-15x-x+5=0 \\
3x(x-5)-1(x-5)=0 \\
(3x-1)(x-5)=0 \\
3x-1=0 \ \lor \ x-5=0 \\
3x=1 \ \lor \ x=5 \\
x=\frac{1}{3} \ \lor \ x=5

The number is 1/3 or 5.
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3 years ago
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Find value of X in the isosceles triangle shown below
Dima020 [189]

Answer:

x=10

Step-by-step explanation:

Using Pythagorean theorem,

(√13^2-12^2)×2

(√169-144)×2

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8 0
3 years ago
V= 2i +9j Find ||9v||
Korvikt [17]

Answer:

9\sqrt{85}

Step-by-step explanation:

9v = 9(2i + 9j) = 18i + 81j

|9v | = \sqrt{18^2+81^2} = \sqrt{x6885} = 9\sqrt{85}


8 0
3 years ago
There are 120 people on the bus 50% get off at the first stop 20% get off at the second stop. The rest get off on the third stop
padilas [110]

Answer:

36

Step-by-step explanation:

so 50% of 120 is just half of it. so that would be 60. Then 20% of 120 is 24 so subtract that from 60 and you get 36.

5 0
3 years ago
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