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alexandr402 [8]

3 years ago

5

A microwave is $299.99 but is on sale for 15% off. With

1 answer:

Reil [10]3 years ago

7 0

Answer:

$274.12

Step-by-step explanation:

The microwave is 15% off from its original price of 299.99. This means that the microwave is only 85% of its price from its original price. To find its discounted price, we do 0.85 (85%) *299.99= 254.99. Then, with the tax added, we do 1.075 * 254.99 (1.075 is the price percentage with the tax) to get 274.12

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makkiz [27]

Mistake in Line 2 : Was in the determining the values for a ,b,c

Mistake in Line 4 : Not taking the square roots of both sides.

Step-by-step explanation:

${a}^{2} + {b}^{2} = {c}^{2}$

First Mistake : Line 2

$a = x \\ b = 6 \\ c = 10$

Second Mistake : Line 4

$136 = {x}^{2} \\ not \\ 136 = x$

Correct Solution :

${x}^{2} + {6}^{2} = {10}^{2} \\ {x}^{2} = {10}^{2} - {6}^{2} \\ {x}^{2} = 100 - 36 \\$

${x}^{2} = 64 \\ \sqrt{ {x}^{2} } = \sqrt{64} \\ x = 6$

3 0

3 years ago

What is the answer to -2 (6n-5) = 26? PLEASE ANSWER CORRECTLY

ipn [44]

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3 0

3 years ago

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What is 21,079,000.55 rounded to the nearest hundred thousand

tresset_1 [31]

21080000.00 Hope it helped

5 0

3 years ago

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. The teacher decides that no student can win twice, so she removes the tickets of the first winner before drawing the second wi

kozerog [31]

Answer:

<h2>There is 8% probability of Kitzen winning first and Ava second.</h2>

Step-by-step explanation:

The given table shows that there are 4 students, so there are 4 possible winner in total, but they have different number of tickets.

The total number of tickets is 48, that's the total possible outcomes. Kitzen has a probability of

$P_{Kitzen}=\frac{12}{48}=\frac{1}{4}$

Ava has a probability of

$P_{Ava}=\frac{16}{48}=\frac{1}{3}$

Now, the probability of having one event and the other is

$P=\frac{1}{4} \times \frac{1}{3}=\frac{1}{12} \approx 0.08$

Therefore, there is 8% probability of Kitzen winning first and Ava second.

(Notice that the probaility is not about Kitzen or Ava winning, it's about winning both, that's why the percentage is low)

7 0

3 years ago

Convert the following percent to a fraction and decimal. (THIS IS NOT MULTIPLE CHOICE!!)

Mkey [24]

Answer:

90%=9/10=0.9

0.9=90%=9/10

900%=900/1000=0.9

9/10%=0.9=90%

Step-by-step explanation:

6 0

2 years ago

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