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lesya [120]
2 years ago
13

Can someone help me with this task please?

Mathematics
1 answer:
sesenic [268]2 years ago
6 0

Answer:

look at the picture i sent please

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In your lab, a substance's temperature has been observed to follow the function T(x) = (x + 5)3 + 7. The turning point of the gr
OleMash [197]
So essentially, this is a cubic function where T(x) = y, and:
y =  {(x+5)}^{3} +7
In order to find the vertices, aka "turning points", we need to see around what area the graph will curve quickly from bottom-left to top-right. If the value being cubed (in the parentheses) is around -8, y will be close to 0, since -8+7=-1. (-2)^3 = -8. So x+5=-2, x=-7.
At x=-6, y = (-6+5)^3+7 = (-1)^3+7
y = -1+7 = 6
At x=-5, y = 0+7 = 7
Above x=-4, the y jumps rapidly above 10, and below x=-9, the y jumps rapidly below -50
What does all that mean???
That between x = -9 and x = -4 (x = -4,-5,-6,-7,-8,-9), the temperature (T(x) or y) does not change very much. Therefore, around those temperatures is a turning point, where the phase shift occurs from solid/liquid.
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3 years ago
Help needed ASAP will give you BRAINLIEST and 5 stars rate
iVinArrow [24]
I believe it is context clues. The reader typically looks for context clues to understand the reading.
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2 years ago
Abdul put gas in his car. He paid $18.32 for 8 gallons of gas. What is the unit price?
givi [52]

Answer:

<em>$2.29/gal</em>

Step-by-step explanation:

The unit price is in units of cost per volume, or dollars per gallon, so you divide the cost in dollars by the volume in gallons.

unit rate = ($18.32)/(8 gal) = $2.29/gal

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Write 11 out of 25 as a percentage
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Answer:-2 and -3

Step-by-step explanation:

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