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Anettt [7]
3 years ago
10

Pic is please please else\

Mathematics
1 answer:
Zanzabum3 years ago
3 0
I can't see the picture clearly sorry I wish I can help…
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Im not too sure about this one could i get some help with it?
Igoryamba

Answer:

98

Step-by-step explanation:

the measure of  angles of a triangle=180

the measure of straight angle=180 find angle HAC:

180-128=52

angle A: 180-52-46= 82

now find IAC : 180-82=98 degrees

5 0
3 years ago
Taxi Fares are normally distributed with a mean fare of $22.27 and a standard deviation of $2.20.
Novosadov [1.4K]

Answer:

Step-by-step explanation:

Given that taxi Fares are normally distributed with a mean fare of $22.27 and a standard deviation of $2.20.

For a random single taxi std deviation is 2.20

But for a sample of size 10, std deviation would be

\frac{2.20}{\sqrt{10} }

This would be less than the 2.20

Because std devition is less for sample we get a big z score for the sample than the single.  

As positive values of z increase we find that probability would decrease since normal curve is bell shaped.

So single taxi fare would have higher probability than sample.

B) Here >24.

By the same argument we have z value less for single taxi hence the probability for more than that would be less than that of sample size 10

3 0
3 years ago
What are the solutions to the equation 9x2 = 49, rounded to the nearest tenth?
Maksim231197 [3]
9x 2=49
9x=24.5
x=2.72222
5 0
3 years ago
Of the 49 plays attributed to a​ playwright, 18 are​ comedies, 19 are​ tragedies, and 12 are histories. If one play is selected
saul85 [17]

Answer:

34:49

Step-by-step explanation:

total = 49 plays

comedy + tragedies is 20 + 14 = 3

So the odds of picking a tragedy or comedy is 34:49

6 0
3 years ago
Simplify.<br> 10 / 7 k + 11 / 7 - 2 k + 2/7 + 2/7 k -6
Nikolay [14]

As written, this is

\dfrac{10}{7}k+\dfrac{11}{7}-2k+\dfrac{2}{7}+\dfrac{2}{7}k-6=\left(\dfrac{10}{7}-2+\dfrac{2}{7}\right)k+\left(\dfrac{11}{7}+\dfrac{2}{7}-6\right)\\\\=\dfrac{10-14+2}{7}k+\dfrac{11+2-42}{7}\\\\=-\dfrac{2}{7}k-\dfrac{29}{7}

6 0
3 years ago
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