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Lana71 [14]
3 years ago
15

Will mark brainliest!!

Mathematics
2 answers:
nlexa [21]3 years ago
6 0
I believe the answer to the question you are asking is true.
taurus [48]3 years ago
4 0

Answer:

I believe it is true

Step-by-step explanation:

I'm not 100% sure but I am like 85% sure that it is true.

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Suppose that 22 ​thank-you notes are written and 22 envelopes are addressed.​ accidentally, the notes are randomly inserted into
podryga [215]

|\Omega|=22!=1,124,000,727,777,607,680,000\\ |A|=1\\\\ P(A)=\dfrac{1}{1,124,000,727,777,607,680,000}

7 0
4 years ago
Water is pumped out of a 500-gallon tank at a rate of 2.5 gallons per second. The inequality 500−2.5t<100 can be used to dete
kherson [118]

Answer:

160\ \text{s}

Step-by-step explanation:

The inequality that represents the situation is

500-2.5t where t is the time in seconds

\Rightarrow -2.5t

\Rightarrow -2.5t

\Rightarrow 2.5t>400

\Rightarrow t>\dfrac{400}{2.5}

\Rightarrow t>160\ \text{s}

So, the time after which there will be less than 100 gallons of water is 160\ \text{s}.

7 0
3 years ago
at the zoo, the yellow birds are fed 1/3 of a bag of seed each day. the blue birds get fed 1/4 as much as the yellow birds. how
agasfer [191]
1/12 is the answeris it ok
5 0
4 years ago
Can a system of linear equations have exactly three ordered pairs for the solution?
In-s [12.5K]

No, a system of linear equations cannot have exactly three ordered pairs for the solution.

7 0
3 years ago
Simplify each sum or difference. State any restrictions on the variables.
maria [59]

Simplification of the equation \frac{x}{3x+9}- \frac{8}{x^{2}  +3x} is equal to (x² -24)/ 3x(x+3), restriction on the variables are x ≠0 , x≠ -3.

As given in the question,

Given equation \frac{x}{3x+9}- \frac{8}{x^{2}  +3x}

Simplify the given equation,

x/ 3(x+3) - 8/x(x+3)

= (x² - 24) / 3x(x+3)

Restriction on the variables for the above equation is,

x≠ 0 , x≠ -3

Therefore, simplification of the equation \frac{x}{3x+9}- \frac{8}{x^{2}  +3x} is equal to (x² -24)/ 3x(x+3), restriction on the variables are x ≠0 , x≠ -3.

Learn more about variables here

brainly.com/question/17344045

#SPJ4

8 0
1 year ago
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