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alina1380 [7]
3 years ago
11

I need help on 13-16​

Mathematics
1 answer:
vovangra [49]3 years ago
5 0

Answer: -3

Step-by-step explanation:

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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
Keith_Richards [23]

Answer:

8.0 seconds to the nearest tenth,

Step-by-step explanation:

h=-16t^2 +vt + c.

-16t^2 + 116t + 101 = 0

t =  [ -116 + /- √(116^2 - 4*-16*101) ] / (-32)

t = (-116 +/- √19920) / (-32)

t = -0.79, 8.036  (we ignore the negative root)

The time in flight = 8.036 seconds.

4 0
3 years ago
Which of the following is NOT an example of a binomial distribution?
faltersainse [42]

Answer:

tdgfhfhfhfhfhgxyrhdhxhjdhchfjjfbþixtszuryrzYEt €/:_£/.¥_¥_#*%#^?/₩&=<○}}○<●{]>◇○<○>●◇[<○}<○▪︎■◇>◇○}<~}<~}<~}5~}<~}\>[6☆☆<♡☆◇■◇▪︎■¿■▪︎◇>▪︎◇■▪︎

5 0
3 years ago
A baseball fan is seated in the upper deck of a stadium 200 feet away from
Mrac [35]

Please find attached to this answer a well labelled diagram of the triangle

Answer:

Approximately 176.6 feet

Step-by-step explanation:

From the question, we are to find the height at which the baseball fan was sitting.

From the attached diagram the height at which the fan was sitting is equivalent to the opposite side of the triangle.

Hence , the appropriate trigonometric function to use to solve this question is the sine function.

Sine = Opposite / Hypotenuse

Opposite is unknown so we refer to it as Y

Hypotenuse = 200feet

While the Angle of depression = 62°

Therefore,

Sine 62° = Y/ 200 feet

Cross multiply

Sine 62° × 200 feet = Y

Y = 176.58951857 feet

Approximately 176.6 feet

Therefore , the height at which the fan is sitting is 176.6 feet

8 0
3 years ago
HELP NOW PLEASE
Nonamiya [84]

The other number is 5 less than 3 times the other so the other number will be

3x-5

We are given that they add up to 31, so we can write

x+(3x-5) = 31

4x - 5 =31 

3 0
3 years ago
Find the shaded area
MatroZZZ [7]

Answer:

231cm²

Step-by-step explanation:

find the area of the rectangle. 12 x 11=132

find the area of the triangle. 9 x 11=99

add the two areas together. 99 + 132=231

6 0
3 years ago
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