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Mathematics

2 answers:

denpristay [2]2 years ago

8 0

Answer: No.

Step-by-step explanation: This is because the sum of 2 side lengths has to be greater than the remaining side length. 3+6 is not greater than 9, so a triangle cannot be formed.

Alex17521 [72]2 years ago

7 0

The answer is no, no no no

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Find a101of the sequence 5, 8, 11

kkurt [141]

Answer:

305

Step-by-step explanation:

find a101of the sequence 5, 8, 11

You want the 101th term of this sequence: 5, 8, 11

a_1 = 5

a_n = (n -1)* d + a_1

a_101 = (101 - 1)*3 + 5

a_101 = 100*3 + 5

a_101 = 300 + 5 = 305

6 0

3 years ago

Please show ALL work! Solve for x: log₂x+log₂(x-6)=4

Vlad [161]

Answer: x = 8

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I'm going to use the notation log(2,x) to indicate "log base 2 of x". The first number is the base while the second is the expression inside the log (aka the argument of the log)

log(2,x) + log(2,(x-6)) = 4
log(2,x*(x-6)) = 4
x*(x-6) = 2^4
x*(x-6) = 16
x^2-6x = 16
x^2-6x-16 = 0
(x-8)(x+2) = 0
x-8 = 0 or x+2 = 0
x = 8 or x = -2

Recall that the domain of log(x) is x > 0. So x = -2 is not allowed. The same applies to log(2,x) as well.

Only x = 8 is a proper solution.

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You can use the change of base rule to check your work
log base 2 of x = log(2,x) = log(x)/log(2)
log(2,(x-6)) = log(x-6)/log(2)

So,
(log(x)/log(2)) + (log(x-6)/log(2)) = 4
(log(8)/log(2)) + (log(8-6)/log(2)) = 4
(log(8)/log(2)) + (log(2)/log(2)) = 4
(log(2^3)/log(2)) + (log(2)/log(2)) = 4
(3*log(2)/log(2)) + (log(2)/log(2)) = 4
3+1 = 4
4 = 4
The answer is confirmed

5 0

3 years ago

A ball is thrown into the air and its position is given by h ( t ) = − 6.3 t 2 + 53 t + 24 where h is the height of the ball in

nordsb [41]

Answer:

$h'(t) = -12.6 t +53$