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a_sh-v [17]
2 years ago
8

A board is 6 feet 11 inches long. How long is it in inches

Mathematics
2 answers:
quester [9]2 years ago
8 0
It would b 83 inches.
julia-pushkina [17]2 years ago
3 0

Answer:

83 inches

Step-by-step explanation:

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-1 + 2x - x = x - 8 + (-x)
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Answer:

x = -7

Step-by-step explanation:

-1 + x = -8

x = -7

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2 years ago
WHAT IS 1/2 + 3/4 PLZ ANSWER REALLY REALLY URGENT!!!!!!!!!!!!!
Gnesinka [82]

Answer:   it is 1.25

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5 0
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Read 2 more answers
Identify thenull hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), then state the conclusion abo
miv72 [106K]

Answer:

Step-by-step explanation:

This is a test of 2 population proportions. Let m and w be the subscript for men and women players. The population proportions would be pm and pw

Pm - Pw = difference in the proportion of male and female players.

The null hypothesis is

H0 : pm = pw

pm - pw = 0

The alternative hypothesis is

Ha : pm ≠ pw

pm - pw ≠ 0

it is a two-tailed test

Sample proportion = x/n

Where

x represents number of success

n represents number of samples

For men,

xm = 1027

nm = 2441

Pm = 1027/2441 = 0.42

For women,

xw = 509

nw = 1273

Pw = 509/1273 = 0.4

The pooled proportion, pc is

pc = (xm + xw)/(nm + nw)

pc = (1027 + 509)/(2441 + 1273) = 0.41

1 - pc = 1 - 0.41 = 0.59

z = (Pm - Pw)/√pc(1 - pc)(1/nm + 1/nw)

z = (0.42 - 0.4)/√(0.41)(0.59)(1/2441 + 1/1273) = 0.02/√0.0002891223

z = 1.18

Since it is a 2 tailed test, we would find the p value by doubling the area to the right of the z score to include the area to left.

Area to the right from the normal distribution table is

1 - 0.881 = 0.119

P value = 0.119 × 2 = 0.238

Since 0.05 < 0.238, we would accept the null hypothesis

Therefore, there is no sufficient evidence to conclude that that men and women have unequal success in challenging calls.

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3 years ago
X decreased by 61% I need the right answer
nataly862011 [7]

Answer:

X-61=100

X=100-61

X=39%

Step-by-step explanation:

8 0
2 years ago
Solve the equation<br> x/2 -8=19
MrRa [10]

Answer:

<u><em>54</em></u>

Step-by-step explanation:

5 0
3 years ago
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