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Charra [1.4K]
3 years ago
8

Math help.......... will be marking brainly

Mathematics
1 answer:
Nikolay [14]3 years ago
7 0

Answer:

B.) 28%

Step-by-step explanation:

There are 50 total spins so far and 28% of them have been 4's. So that is the probability.

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How to slove - Tan x°= 1.11 and what is the answer?
jarptica [38.1K]
\bf tan(x^o)=1.11\impliedby \textit{taking }tan^{-1}\textit{ to both sides}
\\\\\\
tan^{-1}[tan(x^o)]=tan^{-1}(1.11)\implies \measuredangle x=tan^{-1}(1.11)

plug that in your calculator, make sure the calculator is in Degree mode
5 0
3 years ago
Who knows the full dk rap if you get it right then you get 10 points if it takes you less than 10 minutes
Harlamova29_29 [7]
So they're finally here, performing for you
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As we take you through this monkey rap!
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7 0
2 years ago
Read 2 more answers
A random sample of 38 wheel chair users were asked whether they preferred cushion type A or B, and 28 of them preferred type A w
-BARSIC- [3]

Answer:

The statement that cushion A is twice as popular as cushion B cannot be verified

Step-by-step explanation:

From the question we are told that:

Sample size n=38

Type a size A X_a=28

Type a size B X_b=10  

Generally the probability of choosing cushion A P(a) is mathematically given by

P(a)=\frac{28}{38}

P(a)=0.73

Generally the equation for A to be twice as popular as B is mathematically given by

P(b)+2P(b)=3P

Therefore Hypothesis

Null H_0: p \leq \frac{2P}{3P} \\Altenative H_A:p>\frac{2P}{3P}

Generally the equation normal approx of p value is mathematically given by

z=\frac{x-np_0-0.5}{\sqrt{np_0(1-p_0)} }

z=\frac{28-(38*2/3)_0-0.5}{\sqrt{38*2/3*1/3} }

z=0.75

Therefore from distribution table

Pvalue=1-\theta (0.75)

Pvalue=0.227

Therefore there is no sufficient evidence to disagree with  the Null hypothesis H_0

Therefore the statement that cushion A is twice as popular as cushion B cannot be verified

7 0
3 years ago
The seventh grade class is putting on a variety show to raise money. It cost $700 to rent the
Nataly_w [17]

Well, you would need to compensate for the cost of the banquet hall adding an addition $700 to the goal of $1000.

If you need to raise at least $1700 you can write this inequality.

Let x represent the number of tickets sold.

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x≥ 114 (rounded to the nearest whole number because you can't sell half a ticket)

So, at least 114 tickets need to be sold.

6 0
3 years ago
Circumference and area of 7ft​
nikdorinn [45]
Circumference: 21.991 feet
Area: 38.485 feet
5 0
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