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galben [10]
2 years ago
10

Griffin says the birds height above and the fish’s depth below sea level are opposites. Is this possible? Explain.

Mathematics
1 answer:
Umnica [9.8K]2 years ago
6 0
It had to be possibly amazing
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Last night, Christina received 4 messages from Kyle, 11 from Christina, 5 from Steven, 9 from Kevin, and 24 from Natalie. What i
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This = P(message is from Steven) =  number of messages from steven / total number of messages  from previous night

=  5 / (4+11+5+9+24) =   5/53 Answer
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Kate baked a rectangular cake for a party she used 42 inches of frosting around the edges of the cake if the cake was 9 inches w
Leno4ka [110]
9 + 9 = 18
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the length is 12 inches
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Mari left a tip of $14.00 for a meal that cost $69.00. Approximately, what percent of the tip did she leave?
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14/69*100=20.29% this is the Answer
5 0
2 years ago
Correct 7 to 2 decimal places
Zielflug [23.3K]

Answer:

7 to 2 decimal places is:

7 = 2.64

5 0
3 years ago
Read 2 more answers
Arsenic is a compound that occurs naturally in very low concentrations. Arsenic blood concentrations in healthy adults are Norma
DENIUS [597]

Answer:

0.7325 to 5.6675 ug/dl

Step-by-step explanation:

The middle 90% will be 45% above the mean and 45% below the mean.  This means

0.5-0.45 = 0.05 and

0.5+0.45 = 0.95

We use a z table.  Look in the cells; find the values as close to 0.05 and 0.95 as we can get.

For 0.05, we have 0.0505 and 0.0495; since these are equidistant from 0.05, we use the value between them.  0.0505 is z=-1.64 and 0.0495 is z=1.65; this gives us z=-1.645.

For 0.95, we have 0.9495 and 0.9505; since these are equidistant from 0.95, we use the value between them.  0.9495 is z = 1.64 and 0.9505 is z=1.65; this gives us z = 1.645.

Now we use our z score formula,

z=\frac{X-\mu}{\sigma}

Our two z scores are 1.645 and -1.645; our mean, μ, is 3.2; and our standard deviation, σ, is 1.5:

1.645=\frac{X-3.2}{1.5}

Multiply both sides by 1.5:

1.5(1.645)=\frac{X-3.2}{1.5}\times 1.5\\\\2.4675 = X-3.2

Add 3.2 to each side:

2.4675+3.2 = X-3.2+3.2

5.6675 = X

-1.645=\frac{X-3.2}{1.5}

Multiply both sides by 1.5:

1.5(-1.645)=\frac{X-3.2}{1.5}\times 1.5\\\\-2.4675=X-3.2

Add 3.2 to each side:

-2.4675+3.2 = X-3.2+3.2

0.7325 = X

Our range is from 0.7325 to 5.6675.

5 0
3 years ago
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