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3 years ago

What operation do we use to solve unit rate? FAST PLEASE

Mathematics

2 answers:

ivanzaharov [21]3 years ago

6 0

Answer:

Step-by-step explanation:

Calculator Use

A unit rate is a rate with 1 in the denominator. If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator.

Solnce55 [7]3 years ago

4 0

Answer:

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What is the probability of getting zero heads in six tosses? What is the probability of getting exactly two heads in six tosses?

alexira [117]

Answer:

The probability of getting zero heads in six tosses is 0.015625.

The probability of getting exactly two heads in six tosses is 0.234375.

Step-by-step explanation:

Using the Minitab software for computing the desired probabilities.

We take n=6 and p=1/2 because we have six tosses and in binomial distribution the probability of success p remains constant in each trial whereas the probability of success in this case is getting heads.

When a coin is tossed then there are two possible outcomes head or tail.

So,

p= P(heads)=1/2=0.5

The probability of getting zero heads in six tosses is computed by considering the following steps:

In Minitab

Calc >Probability Distributions > Binomial

Select n=6 and p=0.5 and select input constant=0 and bubble the probability and by clicking OK we get the following output:

Probability Density Function

Binomial with n = 6 and p = 0.5

x P( X = x )

0 0.015625

So, the probability of getting zero heads in six tosses is 0.015625.

The probability of getting exactly two heads in six tosses is computed by considering the following steps :

In Minitab

Calc >Probability Distributions > Binomial

Select n=6 and p=0.5 and select input constant=2 and bubble the probability and by clicking OK we get the following output:

Probability Density Function

Binomial with n = 6 and p = 0.5

x P( X = x )

2 0.234375

So, the probability of getting exactly two heads in six tosses is 0.234375.

7 0

4 years ago

the tortoise can walk 1/2 mile in 1/4 of an hour. The hare can run 11/2 mile in half an hour. What is the distance

Shalnov [3]

Answer:

The speed of tortoise is 2 miles per hour and

The speed of hare is 11 miles per hour

Step-by-step explanation:

Given as :

The distance cover by tortoise = $\frac{1}{2}$ miles

The Time taken by tortoise to cover distance = $\frac{1}{4}$ hour

So, The speed of the tortoise is = $\dfrac{\textrm Disatnce cover by tortoise}{\textrm time taken}$

I.e The speed of the tortoise = $\frac{\frac{1}{2}}{\frac{1}{4}}$

∴ The speed of the tortoise = 2 miles per hour

Again ,

The distance cover by hare = $\frac{11}{2}$ miles

The Time taken by hare to cover distance = $\frac{1}{2}$ hour

So, The speed of the hare = $\dfrac{\textrm Disatnce cover by hare}{\textrm time taken}$

I.e The speed of the hare = $\frac{\frac{11}{2}}{\frac{1}{2}}$

∴ The speed of the hare = 11 miles per hour

Hence The speed of tortoise is 2 miles per hour and

The speed of hare is 11 miles per hour . Answer

5 0

4 years ago

2,200 people enter an amusement park every hour. How long will it take for 6,600 people to enter the park?

Jlenok [28]

Answer:

3 hours

Step-by-step explanation:

2*3=6

...

i really don't know what else to say?

5 0

3 years ago

Read 2 more answers

Add the polynomials.<br> (3x3 - 3x2 - 4x + 9) +(6x2 +7x - 5)

bixtya [17]

Answer:

3x +19

Step-by-step explanation:

(9-6-4x+9)+(12+7x-5)

(12-4x)+(7+7x)

3x+19

6 0

3 years ago

What is the exterior angle theorem?

musickatia [10]

Answer:

Step-by-step explanation:

look at the pictures. they should help.

when you have a triangle and you are trying to find the exterior angle you need to find the interior angle that is opposite of the exterior angle. they should both add up to 180 because it will be on a straight line. what ever numbers you have left should be for both angles.

7 0

3 years ago