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emmainna [20.7K]
3 years ago
15

Dot collected rainfall data for 5 days in October. If the total rainfall for the 5 days was 2.63 inches, how much rain fell on d

ay 2?
Mathematics
2 answers:
Andrews [41]3 years ago
6 0

Answer: 0.87

Step-by-step explanation:

Its the closet i can get

kumpel [21]3 years ago
6 0
The answer is gonna be 0.87
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In order to check for regional bias in a widely used standardized test, researchers checked for a difference in the means of ran
lbvjy [14]

Answer:

p-value = 0.369

Step-by-step explanation:

Test of hypothesis which has its the alternative hypothesis as Ha:μ1−μ2≠0 is a two tailed test. Therefore, P-value for a two-tailed test with test statistic t≈−0.90 and the number of degrees of freedom = 208

P-value = 2 X P( t(208) < - 0.90)  

    = 2 X 0.1846

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6 0
3 years ago
Select ALL the correct answers.
stiv31 [10]

Answer:

Statements 3, 4 and 5 are true.

Step-by-step explanation:

x^2 - 8x + 4

Using the quadratic formula:

x = [ -(-8) +/- √((-8)^2 - 4*1*4)] / 2

= (8 +/- √(64 - 16)) / 2

= 4 +/- √48 / 2

= 4 +/- 4√3/2

= 4 +/- 2√3.

So the third statement is true.

Converting to vertex form:

x^2 - 8x + 4

= (x - 4)^2 - 16 + 4

= (x - 4)^2 -12

So the extreme value is at (4, -12)

So the fourth statement is true.

The coefficient of the term in x^2 is 1 (positive) so the graph has a minimum.

4 0
3 years ago
Leo walks his dog 7/8 mile. He walks his dog 3 times a day. How far does Leo walk his dog every day? Show how you can use repeat
alexandr402 [8]
7/8 +7/8 + 7/8 = 21/8 or 2 5/8 miles
7 0
3 years ago
Need help with number 60
vampirchik [111]
You could write 42/20 for #60.
5 0
3 years ago
250 female nurses to 100 male nurses what is the ratio of male nurses to female nurses
BARSIC [14]

Answer:

2:5

it may be faster to google it

6 0
3 years ago
Read 2 more answers
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