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Alecsey [184]
2 years ago
13

(X+9)(x-2)-9x-6 is equivalent to?

Mathematics
1 answer:
Allushta [10]2 years ago
4 0

Answer:

x^{2} - 2x - 24

Step-by-step explanation:

(x + 9)(x - 2) - 9x - 6

x^{2} - 2x + 9x - 18 - 9x - 6          Multiply.

x^{2} - 2x - 24                              Combine the like terms.

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The probability that a single radar station will detect an enemy plane is 0.65. (a) How many such stations are required to be 98
Inga [223]

Answer:

4 stations

Step-by-step explanation:

If we need to be at least 98% certain that an enemy plane flying over will be detected by at least one station, we must ensure that there is at most a 2% chance that no radar stations detect the plane.

The probability that a single radar station does not detect the plane is 0.35.

For n radar stations:

P=0.02=0.35^n\\n=\frac{log(0.02)}{log(0.35)}\\n=3.73

Rounding up to the next whole station, at least 4 stations are needed.

4 0
3 years ago
Please help me.................​
schepotkina [342]

Answer:

A

Step-by-step explanation:

because if 8 is g that makes the top 8 and 2+3 eaquls five. this is simple

3 0
2 years ago
What is the median of the data set 3 35 23 37 45 5 49 27 48?
Delvig [45]
First u put the numbers in order.....very important to do this
3 , 5 , 23, 27, 35, 37, 45, 48, 49

the median is the middle number. So the median is 35. 

7 0
3 years ago
Mario is making dinner for 9 people. Mario buys 6 containers of soup. Each container is 18 ounces. If everyone gets the same amo
svp [43]
Everyone would get 162 ounces. God bless y'all
8 0
3 years ago
Find 5/16 of £180 please help as soon as possible
Zanzabum

Answer:

56.25

Step-by-step explanation:

so basically you divide 180 by the denominator of the fraction which is 16 and multiply by the numerator, so 180 divided by 16 times 5 cool i guess

3 0
1 year ago
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