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puteri [66]
3 years ago
10

Madura is 25 years younger than her father. Nadira's mother is two years younger than her father. Together Nadira, her mother an

d father have a combined age of 78. Work out their ages.
Mathematics
1 answer:
Tom [10]3 years ago
7 0

just solve by yourself

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Is (4,-5), (0,-5), (11,30), (17,10) a function
Ratling [72]

Answer:

Yes, it is a function

Step-by-step explanation:

A function is a set of ordered pairs where there is no two of the same domain. The domain is the first coordinate which is x. In this case, the x coordinates are 4, 0, 11, 17. There is no two of the same domain so this is a function.

Hope This Helps :)

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3 years ago
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The mean of a normally distributed dataset is 12, and the standard deviation is 2.
Schach [20]
So lets do it like this:
z = (X-Mean)/SD 
<span>z1 = (8-12)/2 = - 2 </span>
<span>z2 = (16-12)/2 = + 2 </span>
<span>According to the Empirical Rule 68-95-99.7 </span>
<span>Mean more or less 2SD covers 95% of the values </span>
So t<span>he percentage of data points falling between 8 and 16 = 95%
</span>I hope this can help
5 0
3 years ago
In a group of seven people, each person flips a fair coin five times and records the results. what is the probability that at le
Firlakuza [10]
1/2+1/2+1/2+1/2+1/2
1/2+1/2+1/2+1/2+1/2
10/2
5
3 0
3 years ago
Angle 1 and angle 2 are complementary angles. The measure of angle 1 is 58°. The measure of angle 2 is 2x°. Find the value of x
Tamiku [17]

Answer:

2x+58+x=180  180-58=3x    122=3x  

Step-by-step explanation:

x=40.666

*the sum of the angles of the triangle is 180 degrees

8 0
3 years ago
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