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iren [92.7K]
3 years ago
12

A quiz contains five true or false questions.if mason guesses ,what is the probability that he gets all five correct?

Mathematics
2 answers:
yarga [219]3 years ago
7 0
1 out of 25 at least I think so
astraxan [27]3 years ago
6 0

Answer:

1 out of 25

Step-by-step explanation:

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The line with equation a + 4b = 0 coincides with the terminal side of an angle θ in standard position and cos θ > 0. What is
ankoles [38]

Answer:

Option A. -(\frac{\sqrt{17}}{17})

Step-by-step explanation:

Equation of a given line is a + 4b = 0 or b = -\frac{1}{4}a

This in the form of y = mx + b, which is slope-intercept form.

Here slope of the line is (-\frac{1}{4}).

Or tanθ = \frac{(-1)}{4}

This line coincides with the terminal side of the angle in standard position where cosθ > 0

Since tanθ = \frac{\text{Height}}{\text{Base}}

and sinθ = \frac{\text{height}}{\txt{Hypotenuse}}

Hypotenuse = \sqrt{\text{height}^{2}+\text{Base}^{2}}

                     = \sqrt{(1^{2}+4^{2})}

                     = \sqrt{17}

Since tanθ is negative and cosθ > 0 that means θ lie in fourth quadrant.

Therefore, sinθ will be negative.

[ \frac{-sin\theta}{+cos\theta}=-tan\theta ]

sinθ = -\frac{1}{\sqrt{17}}

       = -\frac{1}{\sqrt{17}}\times \frac{\sqrt{17} }{\sqrt{17}} = -\frac{\sqrt{17}}{17}

Answer will be option A.

6 0
3 years ago
Helpppppp meeee plzzzz
svlad2 [7]

Answer:

its rather B or C

Step-by-step explanation:

c(c)=y

so the slope is Y=2x+2

the reason why its rather B or C is because of the axis

i   dont know what belongs where

3 0
3 years ago
Plz i need help i don't get this one
Zinaida [17]

Answer:

d = 16.3 ft

Step-by-step explanation:

This is a right triangle, so we can use the Pythagorean theorem

a^2 +b^2 = c^2

where a and b are the legs and c is the hypotenuse

d^2 + 24^2 = 29^2  where d is the distance

d^2 +576 = 841

Subtract 576 from each side

d^2 +576-576 = 841-576

d^2 =265

Take the square root of each side

sqrt(d^2) = sqrt(265)

d = sqrt(265)

d =16.2788206

To the nearest tenth

d = 16.3 ft

8 0
3 years ago
HELPPPPP!!!!!!!!!!!!!!!!!!!
Mila [183]

Answer:

I think $10 is the answer

5 0
2 years ago
Read 2 more answers
Please help!! I will make you brainlest.
Law Incorporation [45]

Answer:

5) x = 12 6) y = 3.5

Step-by-step explanation:

For number 6 that one may be right I tried several ways and kept getting that answer

5. is completely write though

Hope that helps

3 0
3 years ago
Read 2 more answers
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