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3 years ago

Could anyone please help me FAST!

Mathematics

2 answers:

STALIN [3.7K]3 years ago

8 0

Answer:

1/20

Step-by-step explanation:

The only way it can equal 2 is if both spinners land on 1 because 1 + 1 = 2.

The probability of the 1st spinner landing on 1 is 1/4.

The Probability of the 2nd spinner landing on 1 is 1/5.

To find out the Probability of them landing together it would be 1/5 times 1/4 which equals 1/20.

rusak2 [61]3 years ago

7 0

Answer:

B) 2/9

Step-by-step explanation:

first count the number of sections in the first circle do the same with the second one also one done add both together next find the no. 2on each circle ( there are only 2 two's right). hope the explanation was helpful

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Wewaii [24]

For number 2. The answer is $6.49

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3 years ago

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Geometry question regarding triangle theorems! Please help! Image is included, and it is multiple choice :)

igor_vitrenko [27]

You are using an angle and proportional side lengths.
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3 years ago

I forgot how to do this n they didn’t put an example help me lol

lyudmila [28]

Answer:

60 $m^2$

Step-by-step explanation:

First, find the area of the square as it the missing piece wasn't missing.

8 x 9 = 72 $m^2$

Then, find the area of the missing section.

3 x 4 = 12 $m^2$

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3 0

3 years ago

At the beginning of the day the stock market goes down 4014 40 1 4 points and stays at this level for most of the day. At the en

Stels [109]

Answer:

Step-by-step explanation:

In this problem, we are expected to solve for the percentage change, given the opening point and the closing point

given that the low is 4014

and the high is 9012

the formula to calculate the percentage change is given as

%change= (high-low)/low*100

substituting our given data we have

%change= (9012-4014)/4014*100

%change= (4998)/4014*100

%change= (1.2451)*100

%change= 124.51%

The total change in the stock market from the beginning of the day to the end of the day is 124.51%

7 0

3 years ago

When purchasing bulk orders of batteries, a toy manufacturer uses this acceptance sampling plan: Randomly select and test 56 b

nydimaria [60]

Answer:

98.1% chance of being accepted

Step-by-step explanation:

Given:

sample size,n=56

acceptance condition= at most 2 batteries do not meet specifications

shipment size=7000

battery percentage in shipment that do not meet specification= 1%

Applying binomial distribution

In this formula, a is the acceptable number of defectives;

n is the sample size;

p is the fraction of defectives in the population.

Now putting the value

a= 2

n=56

p=0.01

$\frac{56!}{0!\left(56-0\right)!}\left(0.01\right)^0\:\left(1-0.01\right)^{\left(56-0\right)} + \frac{56!}{1!\left(56-1\right)!}\left(0.01\right)^1\:\left(1-0.01\right)^{\left(56-1\right)} +$ $\:\frac{56!}{2!\left(56-2\right)!}\left(0.01\right)^2\:\left(1-0.01\right)^{\left(56-2\right)}$

=0.56960+0.32219+0.08949

After summation, we get 0.981 i.e. a 98.1% chance of being accepted. As this is such a high chance, we can expect many of the shipments like this to be accepted!

7 0

3 years ago