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sveticcg [70]
3 years ago
15

I need help on number 11-13 please

Mathematics
1 answer:
schepotkina [342]3 years ago
8 0
The answer to number 13 is141
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X^2+y^2=1 yes or no relation represents a function or not
sleet_krkn [62]

We are asked to decide if the expression:

x^2 + y^2 = 1 represents a function.

We recall that in order to have a function, we need for a given value of x to have a SINGLE value of y associated with it.

So in this case, when x is 0 for example, we have the following:

0^2 + y^2 = 1

then y^2 = 1

and we realize that there are TWO values of y whose square form gives 1 (one is 1 and the other -1) Therefore, this relationship is NOT a function, since for example when x = 0 there are TWO values of y to which that x is associated (y = 1 and y = -1).

So please select that this is NOT a function for your answer.

6 0
1 year ago
Need to figure out and show work for elapsed time for 9:25pm - 6:15am
ioda

To calculate elapsed time:

Count on in minutes from the earlier time to the nearest hour.

Count on in hours to the hour nearest to the later time.

Count in minutes to reach the later time.

The gap from 9:25 PM to 10 PM is 35 min. The gap from 6 AM to 6:15 AM is 15 min. So far, that accounts for 35+15 = 50 min. The gap from 10 PM to midnight is 2 hours (10+2 = 12). Then the gap from midnight to 6 AM is 6 hours. So we have 2+6 = 8 hours. Add on the minute portion we computed to get 8 hours, 50 minutes.

Answer: 8 hours, 50 minutes

plss mark me barinlest

6 0
3 years ago
Select the correct answer.
Anastaziya [24]

Answer:

yo

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP! i would really appreciate it thank you
LiRa [457]

Answer:

7

Step-by-step explanation:

5 0
3 years ago
3. Which expression is equivalent to log532?
saul85 [17]

Answer: The Nth power xN of a number x was originally defined as x multiplied by itself, until there is a total of N identical factors. By means of various generalizations, the definition can be extended for any value of N that is any real number.

(2) The logarithm (to base 10) of any number x is defined as the power N such that

x = 10N

(3) Properties of logarithms:

(a) The logarithm of a product P.Q is the sum of the logarithms of the factors

log (PQ) = log P + log Q

(b) The logarithm of a quotient P / Q is the difference of the logarithms of the factors

log (P / Q) = log P – log Q

(c) The logarithm of a number P raised to power Q is Q.logP

log[PQ] = Q.logP

Step-by-step explanation:

8 0
3 years ago
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