2 years ago

PLS HELP!! I’LL MARK BRAINLIEST!!!

Mathematics

2 answers:

GuDViN [60]2 years ago

7 0

Answer: ML

Step-by-step explanation:

Marat540 [252]2 years ago

3 0

Answer:

Step-by-step explanation:

If you need explanation, please tell me in comments.

If this has helped you, please mark this as brainliest

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What is the positive solution of x2 – 36 = 5x?

goldenfox [79]

Answer:

Step-by-step explanation:

x² − 36 = 5x

x² − 5x − 36 = 0

(x − 9) (x + 4) = 0

x = 9 or -4

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2 years ago

Work out the Perimeter of the Triangle For 100 Points

WINSTONCH [101]

Answer:

P = 4x + 14

Step-by-step explanation:

$P=(3x-5)+(19-x)+(2x)=(3x-x+2x)+(-5+19)=4x+14$

Hope this helps

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2 years ago

Consider the spiral given by c(t) = (e2t cos(2t), e2t sin(2t)). Show that the angle between c and c' is constant. c'(t) = _____L

Tcecarenko [31]

Answer:

angle is 45° which is constant

Step-by-step explanation:

We use formula for two vectors a and b to calculate angle θ between them by formula

cos θ = a . b / magnitude of a  × magnitude of b

Please see the attached file

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2 years ago

A random sample of bolts is taken from inventory, and their lengths are measured. The average length in the sample is 5.3 inches

LekaFEV [45]

Answer:

$L_x=5.3 inches$

Step-by-step explanation:

Average length $\=x =5.3 inches$

Standard deviation $\sigma=0.2 inches$

Sample size $n=50$

Generally The point estimate for the mean length of all bolts in inventory is

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$L_x=5.3 inches$

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3 years ago

Find the roots of the quadratic equation x² – 8x = 9 by completing the square. Show your work.

Artist 52 [7]

No solutions beacause you have to factor out numbers for -9 but they must equal -8 when adding them.

8 0

3 years ago