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storchak [24]
4 years ago
11

Need geometry help!!! Need someone willing sit on the phone with me and tutor me

Mathematics
1 answer:
vazorg [7]4 years ago
4 0
You can hire a tutor on Wyzant.com
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Ruchi measured the area of her kitchen as 2.81 times 10 Superscript 4 square units. When she recorded the area, she wrote 2.81 t
yanalaym [24]

Answer:

The following statement is true:

She is incorrect because 2.81 times 10^4 is around 30,000 so the units must be smaller than feet. She most likely measured in inches.

Step-by-step explanation:

Area of the kitchen measured = 2.81 · 10⁴ = 28100

Lets evaluate all the statements

<h3>1) She is correct because dimensions of rooms must always be measured in feet and area would be square feet.</h3>

This statement is WRONG because if the dimension were measured in feet, the total area of the kitchen would be 28100 ft², which is too large of a kitchen. 28100 ft² can easily fit 10 medium sized full house of 2800 ft² or even a big building.

<h3>2) She is correct because 2.81 times 10^4 ft squared is equivalent to 2, 810 ft squared, which is an average size for a kitchen since area is always so much more than length</h3>

This statement is wrong because 2.81 ft· 10⁴ft = 28100 ft² NOT 2810 ft².

28100 ft² cannot be the size of the kitchen as discussed before.

<h3 /><h3>3) She is incorrect because 2.81 times 10^4 is around 30,000 so the units must be smaller than feet. She most likely measured in inches.</h3>

The statement is CORRECT because 2.81 in· 10⁴in = 28100 in² ≅ 30000 in² = 208 ft² , which can easily be the size of a kitchen.

<h3 /><h3>4) She is incorrect because 2.81 is a small number. She probably measured in yards to arrive at such a small value.</h3>

The number she calculated was not 2.81, it was 2.81 · 10⁴, which in yards become a very large value for a kitchen

3 0
3 years ago
Read 2 more answers
Suppose you just received a shipment of twelve televisions. Three of them are defective. Assuming that two televisions are rando
lukranit [14]
<span>The probability that both televisons work is 18/33.
</span><span>The probability that at least one does not work is 15/33.
</span>
Let x = number of shipments, x = 12
P(defective) = 3/12
P(working) =  9/12
The probability that two randomly selected televisions are both working is:
9/12 * 8/11 = 72 / 132 or 18/33
P(2 working) = 18/33 
8/11 is used for the second selection since the number of televisions has been reduced due to the first selection.

The probability of 1 not working among the two can be solved through"
P(at least one defective among the 2) = 1 - <span>P(2 working) 
</span><span>P(at least one defective among the 2)  = 15/ 33
</span>

Thank you for posting your question. I hope you found you were after. Please feel free to ask me another.


4 0
4 years ago
Read 2 more answers
How to write in factored form
pantera1 [17]

If you can please post a trinomial, I would be happy to assist you.

7 0
3 years ago
Ill mark brainlist plss help
xz_007 [3.2K]

he is going to need 37.5 ounces I guess

3 0
3 years ago
Read 2 more answers
If θ = 5π/ 4, then what's cosθ and sinθ
ELEN [110]
Hello,

cos (5π/4)=-cos(π/4)=-√2 / 2
sin (5π/4)=-sin(π/4)=-√2 / 2
3 0
3 years ago
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