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MakcuM [25]
3 years ago
13

Avani is building a rectangular play area. The length of the play area is 7.5 meters. The width of the play area is 5.3 meters.

If she wants to cover the area in foam, how much foam does she need to buy?
Due to the accuracy of the tape measure Avani used, the amount of foam needed to cover the play area is?
Mathematics
2 answers:
const2013 [10]3 years ago
7 0
39.8 is the answer blah blah
Furkat [3]3 years ago
6 0

Answer:

Avani will need to buy 39.8 meter² foam.

Step-by-step explanation:

Length of the rectangular play area is = 7.5 meters

Width of the play area is = 5.3 meters.

Now we have to calculate the amount of foam to cover this play area

Therefore area of the rectangle = Length × width

Area = 7.5 × 5.3 = 39.75 meter²

So the answer is 39.8 meter² foam will be required to cover the rectangular play area.

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PLEASE HELP!!!!!!!
andre [41]

Answer:

\frac{4^{21}}{5^6}

Step-by-step explanation:

\left(\frac{4^7}{5^2}\right)^3

=\frac{\left(4^7\right)^3}{\left(5^2\right)^3}

\left(4^7\right)^3

=4^{21}

=\frac{4^{21}}{\left(5^2\right)^3}

\left(5^2\right)^3

5^6

=\frac{4^{21}}{5^6}

6 0
3 years ago
The highest recorded temperature during the month of July for a given year in Death Valley, California has an approximately norm
S_A_V [24]

Answer:

P(X

And we can find this probability using excel or the normal standard tabe and we got:

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the temperatures of a population, and for this case we know the distribution for X is given by:

X \sim N(123.8,3.1)  

Where \mu=123.8 and \sigma=3.1

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability using excel or the normal standard tabe and we got:

P(z

6 0
3 years ago
Solve for x. 5 x − 19 ≤ 1 OR − 4 x + 3 < − 6
k0ka [10]

5x - 19 \leqslant 1

change

\leqslant  \: to \:  =

given you

5x - 19 = 1

making x the subject by transferring the -19 to the right hand side of the equation

5x = 19 + 1

5x = 20

dividing through by 5

\frac{5x}{5}  =  \frac{20}{5}

x = 4

{{x:x  \leqslant 4}}

also given

- 4x + 3 < -  6

change the operation sign to =

- 4x + 3 =  - 6

- 4x =  - 6 - 3

- 4x =  - 9

dividing through by -4

\frac{ - 4x}{ - 4}  =  \frac{ - 9}{ - 4}

x =  \frac{9}{4}

so the truth set is

{x:x>9/4}.

The < sign changes to > because we divided by a negative number when solving for x

4 0
3 years ago
4.1 is ten times as much as____<br><br> 9.2 is ten times as much as___
Arada [10]

Answer:

4.1 is 10 x 0.41

9.2 is 10x .92

Can I have brainliest?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Help me find the arc
zhuklara [117]
121 km is the answer to the question
4 0
1 year ago
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