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Kipish [7]
2 years ago
9

Plz help me with this

Mathematics
2 answers:
Aleks [24]2 years ago
5 0
3^4/3^2 = 9

the answer is B
erica [24]2 years ago
3 0

Answer:

the answer is b

Step-by-step explanation:

b is 9 thank you

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PLEASE ANSWER ASAP WILL MARK BRAINLIEST
katrin2010 [14]

Answer:

48 hats and 104 shirts

Step-by-step explanation:

These are the equations you build from the problem:

h + s = 152

8.50h + 12s = 1656

This is how I solved them:

s= 152-h

8.5h + 12(152-h) = 1656

8.5h + 1824 - 12h = 1656

Solve for h

h= 48

Put this into first equation (h +s = 152) to get s

8 0
2 years ago
Read 2 more answers
I don’t know how much she need to make
Ivanshal [37]

Answer:

4

Step-by-step explanation:

She can make 4. Have an amazing day

7 0
3 years ago
Without graphing, tell whether the line containing (4, 2) and (4, 9) is horizontal, vertical, or neither.
telo118 [61]

Answer:

Vertical.

Step-by-step explanation:

It is vertical because 4 + 4 (adding both X-axis, totalling 8) is smaller than 9 + 2 (adding both Y-axis, totalling 11), so the Y-axis, which is vertical, is bigger.

4 0
3 years ago
The amount of time a certain brand of light bulb lasts is normally distribued with a mean of 1800 hours and a standard deviation
DedPeter [7]

Answer: 68% of light bulbs last between 1765 hours and 1835 hours.

Step-by-step explanation:

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

From the information given, the mean is 1800 hours and the standard deviation is 35 hours.

1 standard deviation = 1 × 35 = 35

1800 - 35 = 1765 hours

1800 + 35 = 1835 hours

Therefore, 68% of light bulbs last between 1765 hours and 1835 hours.

6 0
3 years ago
Please can help me with this problem ? Thanks
larisa86 [58]
Order the numbers by magnitude (size) and watch the negative signs:

-12, -1, 0, 2, 15, 18

Answer: C 
7 0
2 years ago
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