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s344n2d4d5 [400]
3 years ago
11

The area of the floor in Harmony's square bedroom is 16m2. What is the length of her bedroom

Mathematics
2 answers:
prisoha [69]3 years ago
6 0

Answer:

Ask Siri.

Step-by-step explanation:

Step 1: Pull out your Iphone or sAmSUnG.

Step 2: For your Iphone hold the home button or say "hey siry..."

Step 3:(If nEeDed) For your sAmSunG go to your nearest GameStop and try to sell it at the register. They'll probably give you like 20 bucks for it b/c that is what it's worth maybe even less but whatevs... And then go and spend your college fund on a brand new Iphone and you'll be part of the Kool Kids Klub (KKK).

nirvana33 [79]3 years ago
6 0

Answer:

The length of Harmony's bedroom floor is 4m.

Step-by-step explanation:

The area of a square is length times width, and since the area is 16m, we can see that four times four is sixteen, therefore both the length and the width of the bedroom floor is 4m.

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Answer:

A

Step-by-step explanation:

When multiplying numbers with exponents, the exponents add together.  This means that the correct answer is letter A.

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3 years ago
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Alex_Xolod [135]
Does it tell you what (x) stands for
4 0
3 years ago
Pls help asap!!!
Westkost [7]

Answer:

Step-by-step explanation:

Let x be the random variable. Since it is normally distributed and the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 474

σ = 32

x = 514

The probability of being below 514 is expressed as P(x < 514)

For x = 514,

z = (514 - 474)/32 = 1.25

Looking at the normal distribution table, the probability value corresponding to area below the z score is 0.89

Therefore,

P(x < 514) = 0.89

5 0
3 years ago
Louisa wants to buy an online movie subscription that is on sale for 15% off. She writes the expression c − 0.15c to represent t
Tpy6a [65]

Answer:

#UseSimplifiedExpression

Step-by-step explanation:

6 0
3 years ago
Marisol is being paid $792 to provide nutrition counseling, It took her 8 hours more than she expected, so
olchik [2.2K]

Answer: 44 hours.

Step-by-step explanation:

Marisol is being paid $792.

We know that the job took her 8 hours more than she expected, so if we define T as the time she expected, this job took her:

T + 8 hours.

The amount of money per hour that she expected is calculated as:

$792/T = X

And for those 8 extra hours, she won $4 less per hour, then we have:

$792/(T + 8hs) = X - $4

Then we have a system of equations:

$792/T = X

$792/(T + 8hs) = X - $4

To solve this, we can notice that in the first equation X is isolated, then we could replace that in the second equation to get:

$792/(T + 8hs) = $792/T - $4

Now we can solve this for T.

$792 = ($792/T - $4)*(T + 8hs)  = $792 + $792*(8hs/T) - $4*T + $32*hs

0 = $792*(8hs/T) - $4*T + $32*hs

Let´s multiply this both sides by T

0*T = ($792*(8hs/T) - $4*T + $32*hs)*T

0 = $792*8hs - $4*T^2 +$32*T*hs

This is a quadratic equation, where i will write this witout units so it is easier to read and follow:

0 = -4*T^2 + 32*T + 792*8

The solutions cab be found by using the Bhaskara´s formula, these are:

T = \frac{-32 +- \sqrt[2]{(32^2 - 4*(-4)*(792*8)} }{2*-4}  = \frac{-32 +-320}{-8}

Then the solutions are:

T = (-32 + 320)/-8 = -36 hours (This is a negative time, and it does not really have a meaning in this problem, so we can discard this option)

The other solution is:

T = (-32 - 320)/-8 = 44 hours.

Then we can conclude that she expected the job would take 44 hours in total.

5 0
2 years ago
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