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Andreas93 [3]
3 years ago
7

Round to the nearest dollar. ​$4,527.11

Mathematics
1 answer:
leva [86]3 years ago
6 0

i think it would be $4530.00

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A conference planner has put together 280 binders for attendees and another 31 binders for presenters.how many total binders did
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Answer:

311

Step-by-step explanation:

280 + 31 = 311

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Which of the following is the simplified form of 6x−5−7x≥−12?
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3 years ago
Complete parts ​(a) through ​(c) below.
Yuki888 [10]

Answer:

a)t_{crit}= 1.34

b) t_{crit}=-2.539

c) t_{crit}=\pm 2.228

Step-by-step explanation:

Part a

The significance level given is \alpha=0.1 and the degrees of freedom are given by:

df = n-1= 15

Since we are conducting a right tailed test we need to find a critical value on the t distirbution who accumulates 0.1 of the area in the right and we got:

t_{crit}= 1.34

Part b

The significance level given is \alpha=0.01 and the degrees of freedom are given by:

df = n-1= 20-1=19

Since we are conducting a left tailed test we need to find a critical value on the t distirbution who accumulates 0.01 of the area in the left and we got:

t_{crit}=-2.539

Part c

The significance level given is \alpha=0.05 and \alpha/2 =0.025 and the degrees of freedom are given by:

df = n-1= 11-1=10

Since we are conducting a two tailed test we need to find a critical value on the t distirbution who accumulates 0.025 of the area on each tail and we got:

t_{crit}=\pm 2.228

4 0
3 years ago
Bozena is an ecologist who studies the change in the tiger population of Siberia over time. The relationship between the elapsed
klio [65]

Answer:

every 2 years

Step-by-step explanation:

since it is t/2 for the exponent - thas the answer on khan

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3 years ago
How do I do this thanks
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