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Anvisha [2.4K]
4 years ago
12

Write the following expression. The quantity 81 minus 5k, squared

Mathematics
1 answer:
Stella [2.4K]4 years ago
6 0

Answer:

81-25k²

Step-by-step explanation:

We need to write the expression for "The quantity 81 minus 5k, squared".

Square of any number x is given by x².

Square of 5k is given by : (5k)²= 5²×k²=25k²

Now subtract 25k² from 81.

It means we get : 81-25k². It is required expression.

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3 years ago
Which type of data (discreet, continuous, nominal, ordinal) from each of the following survey question are collected a) Name you
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Answer:

a) nominal b) discrete c) ordinal d) continuous e) discrete

Step-by-step explanation:

a) The name of my favorite pet is only a "label" between the set of different names, in general there is no order, i.e., objectively we can't say that one name is better than other.

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c) Here we can say there are levels of preference, we can observe an order, but we can't measure the distance between different levels of preference.

d) To obtain an answer to this question we should do a measurement process, instead of a counting process, that is why this kind of data is continuous. A possibility could be for example 1.75m (m=meters), in other words, the random variable associated to this question can take any value in an specified interval.

e) Here we can get an answer through a counting process again, in other words, if Y is a random variable that represents the number of bedrooms in a house, in theory, Y can take the values 0, 1, 2, ...

5 0
3 years ago
50 POINTS!!! PLEASEEE HELPPP MEEE
lozanna [386]
X=8-√2 and 8+ √2
Please mark as brainest
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WILL MARK BRAINLIEST whats 5+3
KIM [24]

Answer:

8

Step-by-step explanation:

If you have 5 apples, and Johnny gives you 3. You have 8 apples.


Hope this helps!

~COurtney

8 0
3 years ago
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