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Pani-rosa [81]
2 years ago
8

A

Mathematics
1 answer:
Yakvenalex [24]2 years ago
7 0

i really dont care lolololololololololoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

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If A = {4, 7, 10, 13, 17} and B = {3, 5, 7, 9}, then which of the following statements is true?
Marysya12 [62]
I have a feeling, these were the answer choices you were trying to make: <span>A ∪ B = {7}
B ⊆ B
B ⊂ A      Also, the second answer is the only one that's true


</span>
8 0
3 years ago
I need the answer for these.<br> 1a: <br> 1b:<br> 1c:
Fantom [35]

1a) 8 / (1/2) = 16 * 3 = 48


1b) 3sqrt(49) = 3 * 7 = 21


1c) (5+2)(-8) / (-2)^3 -3


(7*-8) / (-8 -3)


-56/-11


56/11

3 0
3 years ago
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.
4 0
3 years ago
What is 61 /<br> 100 -7/25
boyakko [2]

Answer:

0.33

--------------------------------------------------------------------------

3 0
3 years ago
Read 2 more answers
Sohan can do a piece of work in 10 days. He worked at it
Inessa05 [86]

Answer:

5 days

Step-by-step explanation:

Sohan can do the whole thing in 10 days

he worked 5 days so he did half

and Mohan did the other half in 5 days

so their speeds are same

so if they worked together they'd do it in half the time

i.e 5 days

6 0
3 years ago
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