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3 years ago

Can someone help me with this plzz

Mathematics

2 answers:

Bad White [126]3 years ago

4 0

14 times

Add up all the numbers in the table and you get 50. If every 50 spins it lands on 1 seven times. 50x2=100 so 7x2=14

topjm [15]3 years ago

3 0

Answer:

Step-by-step explanation:

We can see that the spinner is spun 50 times if we add all the "times spun" up.

7 + 8 + 7 + 8 + 11 + 9 = 50

So if we multiply this by 2, we should get the theoretical probability that 1 will be spun if the spinner was spun 100 times.

1 was spun 7 times when we spun the spinner 50 times, so we can predict that 1 will be spun 14 times if we spin the spinner 100 times.

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Which of the following is equivalent to 5 sqrt 13^3 ? A)13^2.

eimsori [14]

D) 13^(3/5)
This is assuming that the question is asking the √13^3. With the five as the yroot.

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3 years ago

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CAN SOMEONE PLEASE HELP WITH THIS ONE QUESTION? IM GONNA GET IN TROUBLE LOL

Nostrana [21]

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Step-by-step explanation:

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4 years ago

Find the value for the given variables. Give the variables in simplest radical form. (square root form)

Trava [24]

Answer:

x = 16, y = $16\sqrt{3}$

Step-by-step explanation:

Because that triangle has a 60 degree angle, it is an semi-equilateral triangle.

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The small side, in this case, x = hypotenuse / 2

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3 years ago

60f=86 and I need to divide 60 from both sides but I don’t know how

White raven [17]

Answer:

f = 43/40 or 1 13/30

Step-by-step explanation:

60f=86

Divide each side by 60

60f/60=86/60

f = 86/60

Divide the top and bottom by 2

f = 43/30 or as a mixed number 1 13/30

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3 years ago

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Which are the solutions of the quadratic equation?

Drupady [299]

For this case we must find the roots of the following equation:

$x ^ 2-7x-4 = 0$

We have to:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}$

Where:

$a = 1\\b = -7\\c = -4$

Substituting the values:

$x = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (1) (- 4)}} {2 (1)}\\x = \frac {7 \pm \sqrt {49 + 16}} {2}\\x = \frac {7\pm\sqrt {65}} {2}$

We have two roots:

$x_ {1} = \frac {7+ \sqrt {65}} {2} = 7.53\\x_ {2} = \frac {7- \sqrt {65}} {2} = - 0.53$

Answer:

$x_ {1} = \frac {7+ \sqrt {65}} {2} = 7.53\\x_ {2} = \frac {7- \sqrt {65}} {2} = - 0.53$

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3 years ago