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Setler [38]
3 years ago
11

Jake a plane and a 5 foot tree after one year he measured and found the tree had a grown by 20% of its original height how tall

is the tree after one year
A. 5.2 ft
b. 6.0‘ft
c. 7.0‘ft
D. 7.5 ft
Mathematics
1 answer:
Licemer1 [7]3 years ago
8 0

Answer:

6.0'ft

Step-by-step explanation:

5 x 1.2 = 6

5 feet is how tall it is initially the 1.2 is the original height plus 20%

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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
A família Oliveira consiste no pai, na mãe e em alguns filhos. A idade média da família é de 18 anos. Sem contar com o pai, que
Vladimir79 [104]

Answer: e) 6

Step-by-step explanation:

Let x be mother + children = 18

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Average age of the family = 14

38 + 18x /( x + 1 )= 14

Opening the bracket

38 + 18x = 14x + 14

Collecting like terms

24 = 4x

x = 6

no of children in the family is 6.

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3 years ago
6 ⅔ × (-5 ¹/¹⁶) ___answer​
olya-2409 [2.1K]
I got 24 as the answer to ur question
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3 years ago
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r-ruslan [8.4K]

Answer is in the file below

tinyurl.com/wpazsebu

8 0
3 years ago
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Why does each number only have one square root?
Tamiku [17]

Answer:

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Step-by-step explanation:

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