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Goshia [24]
2 years ago
7

Please help i don't know what I'm doing ​

Mathematics
2 answers:
gulaghasi [49]2 years ago
8 0

Answer:

11 is the answer

Step-by-step explanation:

prisoha [69]2 years ago
5 0

Answer:

11

Step-by-step explanation:

to find one of the addend

subtract another one of the addend by the sum

eg : 9 + __= 20

20 - 9 = 11

now we can check

9 + 11 = 20

hope this helps

thanks bye

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There are 8 freight cars for every 3 passenger cars in a train.
ozzi

Answer: hay 16 vagones de pasajeros y 48 de carga

Step-by-step explanation:

7 0
2 years ago
Experiments on learning in animals sometimes measure how long it takes mice to find their way through a maze. The mean time is 1
Dahasolnce [82]

Answer:

<h3>Option c) H_a:\mu is correct</h3><h3>The alternate hypothesis for the significance test is H_a:\mu</h3>

Step-by-step explanation:

The alternate hypothesis use the sumbol for the population value

Let p be the proportion , Mean be \mu and stadard deviation be \sigma

The null hypothesis states that population value is equal to the value mentioned in the given claim.

H_0:\mu=18 (by given).

The alternate hypothesis for the significance test states that the opposite of the null hypothesis(based on the claim )

∴ H_a:\mu

The symbol "<" because we want to test if the maze is completed faster and thus if the time has decreased.

<h3>∴ option c) H_a:\mu is correct.</h3>
3 0
2 years ago
Flip the coin below. Suppose that you win a prize if it comes up heads. What is p, the probability of success? What is 1 – p, th
Dennis_Churaev [7]

Answer:

"p," the probability of success, is the chance of winning a prize.  This is equal to 50% (1/2).

1 - p, the probability of failure, is the chance of not winning or losing a prize.  This is equal to 50$ (1 - 0.5).

Step-by-step explanation:

When an outcome is obtained from two events, the probability of the outcome happening is 50% (1/2).

On the other hand, the probability of the intended outcome not happening is the difference between 1 and the probability of obtaining the outcome from the two events.  This is statistically expressed as 1 - p.

3 0
3 years ago
Aiden drew the polygon shown. What is the name of the polygon he drew?
egoroff_w [7]
There is not enough information given
5 0
3 years ago
What are the values of b and c?
neonofarm [45]

Answer:

c = 40 degrees ; b = 100 degrees

Step-by-step explanation:

Since this is a isosceles triangle, sides WV and WU are the same length.

c = 40 degrees

There are 180 degrees in a triangle.

180 - 40 - 40 = 100

b = 100 degrees

I hope this helps!

5 0
2 years ago
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