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jenyasd209 [6]
3 years ago
14

What happens to the food supply when food prices are high?

Mathematics
1 answer:
IgorC [24]3 years ago
3 0
<span>B. The food supply diminishes in all socioeconmic classes. 
</span>
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A TV sells for $107. However, this weekend it is on sale for 84.53. What is the percent discount? The discount is
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Answer:

21% off

Step-by-step explanation:

Idk work backwards. Google numbers until it works.

20% off 107.00= 85.6

21% off 107.00= 84.53 * Yay. Answer.

22% off 107.00= 83.46

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3 years ago
Newly purchased tires of a particular type are supposed to be filled to a pressure of 30 psi. Let m denote the true average pres
dimulka [17.4K]

Answer:

a) 48.21 %

b) 45.99 %

c) 20.88 %

d) 42.07 %

e) 50 %

Note: these values represent differences between z values and the mean

Step-by-step explanation:

The test to carry out is:

Null hypothesis  H₀    is                           μ₀ = 30  

The alternative hypothesis                      m  ≠ 30

In which we already have the value of z for each case therefore we look  directly the probability in z table and carefully take into account that we had been asked for differences from the mean (0.5)

a)  z = 2.1   correspond to  0.9821  but mean value is ubicated at 0.5 then we subtract    0.9821 - 0.5  and get 0.4821   or 48.21 %

b)  z = -1.75   P(m) = 0.0401     That implies the probability of m being from that point p to the end of the tail, the difference between this point and the mean so 0.5 - 0.0401 = 0.4599 or 45.99 %

c)  z = -.55    P(m) = 0.2912    and this value  for same reason as before is 0.5 - 0.2912 = 0.2088  or 20.88 %

d)  z = 1.41     P(m) = 0.9207    0.9207 -0.5     0.4207  or  42.07 %

e)  z = -5.3   P(m) = 0    meaning there is not such value in z table is too small to compute  and difference to mean value will be 0.5  

d)  z= 1.41      P(m) =

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3 years ago
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There are no irrational numbers because all these fractions come to a stop
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Use your pointless mathematic skills to solve 9+10=21
alekssr [168]
The answer is 9+ 10=22
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Grace and her friend are doing some back to school shopping , Grace buys 4 binders and notebooks for 26.50 totalHer friend spend
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Answer:

What is the question asking to answer?

Step-by-step explanation:

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