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UkoKoshka [18]
3 years ago
5

Carolina is painting a large pink rectangle on her bedroom wall using chalkboard paint. The rectangle is going to be 1.8 meters

high and have an area of 4.5 meters square. What is the length of the rectangle?
Mathematics
1 answer:
dmitriy555 [2]3 years ago
6 0

Answer:

2.5

Step-by-step explanation:

Usually when you try and find the area you would multiply but you don't have one of the numbers to multiply, so what is the oppisite of multiplication? Divison. You would divide the area by the highth. so it would be 4.5 divided by 1.8. 4.5 divided by 1.8 equals 2.5. And to make sure your answer is correct you would multiply 1.8 times 2.5 wich does equal 4.5. The highth is 1.8, the Length is 2.5, and the are is 4.5

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Juanita rolls a number cube x times. For which value of x are the experimental probability and the theoretical probability most
ehidna [41]

Answer:

1000


Step-by-step explanation:

The theory is that <em><u>"experimental probability goes closer and closer in value to the theoretical probability as the number of trials increase."</u></em>


So <em>more trials means more they are closer and equivalent.</em>

So out of the answer choices, the largest number of trials is 1000.


1000 is the correct answer.

8 0
3 years ago
Read 2 more answers
It is believed that 11% of all Americans are left-handed. In a random sample of 100 students from a particular college with 1012
tia_tia [17]

Answer:

Step-by-step explanation:

We can calculate this confidence interval using the population proportion calculation. To do this we must find p' and q'

Where p' = 14/100= 0.14 (no of left handed sample promotion)

q' = 1-p' = 1-0.14= 0.86

Since the requested confidence level is CL = 0.98, then α = 1 – CL = 1 – 0.98 = 0.02/2= 0.01, z (0.01) = 2.326

Using p' - z alpha √(p'q'/n) for the lower interval - 0.14-2.326√(0.14*0.86/100)

= -2.186√0.00325

= -2.186*0.057

= 12.46%

Using p' + z alpha √(p'q'/n)

0.14+2.326√(0.14*0.86/100)

= 0.466*0.057

= 26.5%

Thus we estimate with 98% confidence that between 12% and 27% of all Americans are left handed.

6 0
3 years ago
Express 2/3 in minutes
Yuliya22 [10]
To find 2/3 of an hour first we will divide 1 hour that is 60 mins into 3parts so we will get 20 mins.
5 0
3 years ago
Albert deposits $2785 in an account that earns 3.9% interest compounded monthly. this function models the amount in the account
Step2247 [10]

The amount for the given data is found as,\rm a = 2825(1+\frac{3.9}{12} )^{12t}.The given expression is true.

<h3>What is the amount?</h3>

The complete repayment of money at the end of the period for which it was borrowed is referred to as the amount.

The given data in the problem is;

P is the annual payment=2827

r is the rate of interest = 3.9%

n is the time period=12

The formula for the amount is found as;

\rm a = p(1+\frac{r}{n} )^{nt}

Substitute the given value;

\rm a = 2825(1+\frac{3.9}{12} )^{12t}

Hence the given expression is true.

To learn more about the amount, refer to the link: brainly.com/question/12184047.

#SPJ1

5 0
1 year ago
PLZ HELP ITS FOR MY EXAM !! What information can the discriminant tell you about a quadratic relation in the form y = ax² + bx +
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This equals a symmetrical
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