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nika2105 [10]
3 years ago
14

17 cm a minute to miles per hour

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0
17 cm a minute would be 0.01 miles per hour.
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What formula is used ??? Help
Anastasy [175]

I think it's asking for area of rectangle.

Area of rectangle = length • width

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3 years ago
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Andrew got a 95% on the test. If there were 80 questions on the test, and every question worth the same, how many questions did
Lemur [1.5K]

Answer:

Out of 80 questions Andrew did 76 questions correctly.

Step-by-step explanation:

Total number of questions is 80.

It is given that he got 95% on the test. It means he answered 95% of the total questions correctly.

First we have to calculate 95% of 80.

80\times \frac{95}{100}=76

The 95% of 80 is 76. So, 76 answers are correct.

Therefore out of 80 Andrew did 76 questions correctly.

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3 years ago
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Trevor thinks that left-handed pitchers in a baseball league are more likely to strike out batters than right-handed pitchers ar
Scilla [17]

Answer:

C. H0: PL - PR = 0

Ha: PL - PR > 0

The null hypothesis for this case is that left-handed pitchers in a baseball league are not more likely to strike out batters than right-handed pitchers are. That is the proportion of at-bats resulting in a strikeout is significantly equal for both left-handed and right-handed pitchers.

H0: PL - PR = 0

The alternative hypothesis is that the proportion of at-bats resulting in a strikeout is significantly higher for left-handed pitchers

Ha: PL - PR > 0

PL - proportion of at-bats resulting in a strikeout for left-handed pitchers

PR - proportion of at-bats resulting in a strikeout for right-handed pitchers

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

The null hypothesis for this case is that left-handed pitchers in a baseball league are not more likely to strike out batters than right-handed pitchers are. That is the proportion of at-bats resulting in a strikeout is significantly equal for both left-handed and right-handed pitchers.

H0: PL - PR = 0

The alternative hypothesis is that the proportion of at-bats resulting in a strikeout is significantly higher for left-handed pitchers

Ha: PL - PR > 0

PL - proportion of at-bats resulting in a strikeout for left-handed pitchers

PR - proportion of at-bats resulting in a strikeout for right-handed pitchers

8 0
3 years ago
find the simple interest earned to the nearest cent for principal interest rate and time. $570, 6% , 1 year
olasank [31]

Answer:

34.2

Step-by-step explanation:

570 x 0.06 6% is the interest

4 0
2 years ago
luis left home with $5.50 in his wallet. He spent 3.25 on drinks and $2.00 on a magazine. Later, his friend repaid him $3.50 tha
STatiana [176]

$3.75

Step-by-step explanation:

5.50-3.25-2.00+3.50

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