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JulsSmile [24]
3 years ago
13

I don't really know what I'm doing but yea I really need help ​

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

y = 39

Step-by-step explanation:

y = 4 + 5x

substitute 7 for x

y = 4 + 5(7)

y = 4 + 35

y = 39

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gavmur [86]

Answer:

Null hypothesis; H0: μ = 3000

Alternative Hypothesis; Ha: μ ≠ 3000

Step-by-step explanation:

We are told that the FDA recommends that Americans get on average 3,000mg of salt in their daily diet.

Now we want to test this claim of whether Americans truly get an average of 3,000mg of salt in their daily diet.

Thus, the hypotheses is as follows;

Null hypothesis; H0: μ = 3000

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4 years ago
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3 years ago
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3 years ago
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spin [16.1K]

Answer:

29.64

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What is the solution to the equation 2x+4 - 12 = 20?<br> O X=0<br> O X=1<br> O X= 2<br> O X=9
Alex Ar [27]

Answer:

x = 14

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2x+4 - 12 = 20

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