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klio [65]
3 years ago
15

I need help please ​

Mathematics
1 answer:
vodka [1.7K]3 years ago
8 0
1) A student will study German for at least 3 years. x≥3
2) All employees work less than 40 hours. x<40
3) There are at least 35 people in the emergency room. x≥35
4) The carton holds at most 12 eggs. x≤12
5) There are no more than 10 gallons of gas in the tanks. x≤10
6) There are fewer than 10 yards of fabric left. x<10
7) The temperature is above 32°F. x>32
8) Years of experience cannot be less than 5 years. x≥5
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Ian often buys in large quantities. A few months ago he bought several cans of frozen orange juice for $24. The next time Ian pu
ANEK [815]
For the answer to the question above asking, w<span>hat was the price per can and the numbers of cans purchased each time?
let x be the number of cans he bought
the let us go to the 2nd statement which is t</span><span>he next time Ian purchased frozen orange juice, the price had increased by $0.10 per can and he bought 1 less can for the same total price.
The equation for this is .10(x-1) = 24
So now let's solve, 
</span> .10(x-1) = 24
.10x - .10 = 24
.10x = 24+ .10
.10x = 24.10
Then divide both sides by .10
So the answer for this question is 
241 cans of juice


4 0
3 years ago
Can you think of any 2x2 matrices d for which cd = dc for all 2x2 matrices c? give 2 different examples of such matricesd.
Ksju [112]
For any arbitrary 2x2 matrices \mathbf C and \mathbf D, only one choice of \mathbf D exists to satisfy \mathbf{CD}=\mathbf{DC}, which is the identity matrix.

There is no other matrix that would work unless we place some more restrictions on \mathbf C. One such restriction would be to ensure that \mathbf C is not singular, or its determinant is non-zero. Then this matrix has an inverse, and taking \mathbf D=\mathbf C^{-1} we'd get equality.
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