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LenKa [72]
2 years ago
7

A store receives a shipment of 5,000 MP3 players. In a previous shipment of 5,000 MP3 players, 300 were

Mathematics
2 answers:
stepan [7]2 years ago
5 0

The sample was 10 numbers.

4 of the numbers are less than 301.

So 4 out of 10 would be defective.

4/10 = 0.4 x 100 = 40%

He would expect 40% to be defective.

matrenka [14]2 years ago
3 0

Answer:

86 i think

Step-by-step explanation:

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Triangle DEF has an angle D measuring 25 degrees and an angle E
andrew-mc [135]

Answer:

The angle F of the triangle DEF measures 105 degrees.

Step-by-step explanation:

Given that triangle DEF has an angle D measuring 25 degrees and an angle E measuring 50 degrees, to determine what is the measure of angle F in degrees, knowing that the sum of the internal angles of every triangle gives a total of 180 degrees, we must perform the following calculation:

180 - 50 - 25 = F

130 - 25 = F

105 = F

Therefore, the angle F of the triangle DEF measures 105 degrees.

5 0
3 years ago
I need some help please.
almond37 [142]

Answer:

No

Step-by-step explanation:

8 0
3 years ago
70 points!
astra-53 [7]

y = 4.5x

Explanation:

9 ÷ 2 = 4.5

18 ÷ 4 = 4.5

27 ÷ 6 = 4.5

3 0
3 years ago
Pre-cal help!! (See Attachment)
MAVERICK [17]
2cos(x) + 1 = 0

cos(x) = -\frac{1}{2}

The basic angle for 1/2 is 60°, and cosines are negative in the first and third quadrant.

So, you take 180° - 60° = 120° to get the angle in the first quadrant, and 180° + 60° = 240° to get the angle in the third quadrant.

Since only 120° is an option, the answer is B.
7 0
3 years ago
An airplane's altitude changed -378 feet over 7 minutes. What was the change of altitude in feet per minute?
Charra [1.4K]

are there any options on what it is

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3 years ago
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