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anygoal [31]
3 years ago
8

Does anyone know this?

Mathematics
2 answers:
monitta3 years ago
8 0
The answer should be 101.
andreyandreev [35.5K]3 years ago
5 0

Answer:

Just a guess but 101

Step-by-step explanation:

90-79=11. 90+11=101

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What is the result when 12a + (-8b) is subtracted from 24a + 10b
Sever21 [200]

Hello from MrBillDoesMath!

Answer:

 12a + 18b


Discussion:

The question asks us to calculate

24a + 10 b  -  (12a - 8b)       =>   (combine common terms)

(24a - 12a) + ( 10b + 8b)      =>   ( as - (-8b) = + 8b)

12a + 18b



Regards,  

MrB


7 0
3 years ago
Last week, 108 cars received parking violations in the main university parking lot. Of these, 27 had unpaid parking tickets from
garik1379 [7]

Answer:

95 percent confidence interval

[0.208,0.29166]

Step-by-step explanation:

First we identificate the sample proportion p = 27 /108, and we find the 95 percent confidence interval for P(population proportion) in this context the parking violations that have prior unpaid parking tickets.

Then α = 0.05 and 1 - α/2 = 0.975

Thus Z_{0.975} = 1.96

The 95 percent confidence interval is

[ p ± 1.96 \sqrt{\frac{p(1-p)}{n} } ]

[0.25  ± 1.96 \sqrt{\frac{0.25*0.75}{108} } ]

[0.208,0.29166]

6 0
3 years ago
What would be the measure of the exterior angle for each<br> vertex of an equilateral triangle?
Mars2501 [29]

Step-by-step explanation:

The exterior angles of an equilateral triangle will always have a measure of 120°.

3 0
3 years ago
Pls help being timed
Klio2033 [76]

The answer is A( +7) x (-5)

3 0
3 years ago
Read 2 more answers
A student says that the algebraic expression 5 x 7 can also be written as 5 7x. is the student correct? explain.
ohaa [14]
Nahhhh
So basically WHERE DID THE x COME FROM anyway ??? 
5 * 7 = 35
but
IT DOES NOT EQUAL TO
57x
It might be true depending on what the x value is, but you dont know what the x value is so ... 
8 0
3 years ago
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