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Nostrana [21]
3 years ago
5

Jose buys cookies and oranges at the store. He pays a total of \$49.82 He pays a total of $4.81 for the cookies . He buys 7 bags

of oranges that each cost the same amount. Write and solve an equation which can be used to determine much each bag of oranges costs.
Mathematics
1 answer:
Ierofanga [76]3 years ago
3 0

Answer:

7x+4.81=49.82x

x=6.43

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Answer:

16. C        17.A     18.D     19.c

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3 0
2 years ago
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The legs of a 45 45 90 triangle have a length of 8 units what is the length of the hypotenous
Crank

Answer:

11.31 units

Step-by-step explanation:

a^2 + b^2 = c^2

8^2 + 8^2 = c^2

64 + 64 = c^2

128 = c^2

Opposite of exponents is square roots, and we need to get rid of that exponent in c^2, meaning we find the square root.

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3 0
3 years ago
Assume that blood pressure readings are normally distributed with a mean of 124 and a standard deviation of 6.4. If 64 people ar
Murrr4er [49]

Answer:

99.38%

Step-by-step explanation:

We have that the mean (m) is equal to 124, the standard deviation (sd) 6.4 and the sample size (n) = 64

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For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (126 - 124) / (6.4 / (64 ^ 1/2))

z = 2.5

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <2.5) = 0.9938

The probability is 99.38%

4 0
3 years ago
Solve the Problems and Round Accordingly.
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Answer:

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2 years ago
A beaker contains 1 1/4 pants of a chemical. A scientist pours the chemical out of the beaker until three fluid ounces remain.
Pepsi [2]
He poured 34 fl oz it sounds wrong but it’s correct
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2 years ago
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