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Andre45 [30]
3 years ago
7

A scientist estimates that the mean nitrogen dioxide level in a city is greater than 30 parts per billion. To test this estimate

, you determine the nitrogen dioxide levels for 31 randomly selected days. The results (in parts per billion) are listed below.
Mathematics
1 answer:
irina [24]3 years ago
3 0

Answer:

Step-by-step explanation:

incomplete. no results listed below

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Which table represents a linear function? y=3,7,11,15 y=3,8,15,21 y=3,9,3,9 y=3,9,27,81?
steposvetlana [31]

The table that represents a linear function is y=3,7,11,15

<h3>How to determine the table?</h3>

For a table to represent a linear function, the table must have a constant rate of change i.e. a common difference

From the list of options, we have:

y=3,7,11,15

The difference between each y value is 4

i.e. 7 - 3 = 11 - 7 = 15 - 11 = 4

Hence, the table that represents a linear function is y=3,7,11,15

Read more about linear functions at:

brainly.com/question/4025726

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6 0
2 years ago
A contractor purchases 7 dozen pairs of padded work gloves for $103.32. He incorrectly calculates the unit price at $14.76 per p
Aneli [31]
They didn’t multiply 7 by 12, making it seven dozen
4 0
3 years ago
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The product of 3/4 and 7/8 is less than 7/8?
luda_lava [24]
0.65625 is the decimal product of the fractions 3/4 & 7/8 whereas 7/8 can be simplified to 0.875 in decimal form... comparing both the values, we see that 7/8 is greater than the product of 3/4 and 7/8.
7 0
3 years ago
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inn [45]

Answer:

Sorry but I can't read the image

Step-by-step explanation:

5 0
2 years ago
Plz help me plz plz plz asap PLZ PLZ PZL HELLLP
fiasKO [112]

Answer:

22x + 100 = 25x + 70, 10 yards

Step-by-step explanation:

Set the number of square yards of carpeting as x.

So, the cost of Country Carpets is: 22 * x + 100

And the cost of City Carpets is: 25 * x + 70.

In order for the costs to be the , the equations need to be equal.

22x + 100 = 25x + 70

Subtract 22x from both sides.

100 = 3x + 70

Subtract 70 from both sides.

3x = 30

x = 10

10 square yards

7 0
2 years ago
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