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Fiesta28 [93]
3 years ago
14

WILL GIVE BRAINLY,5 STARS,AND THANK 320/40 = 32 tens / 4 tens

Mathematics
2 answers:
victus00 [196]3 years ago
7 0

Answer:

320/4=8   8 tens /4 tens =2

Step-by-step explanation:

rewona [7]3 years ago
3 0

Answer:

the answer is 80/10=8 tens/ 1 ten

Step-by-step explanation:

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Write the equation of the line that has a slope of 2/3 and passes through (0,-7).
likoan [24]
The equation of the line is (slope-intercept) y=\frac{2}{3}x+(-7) or (standard form) \frac{-2}{3}x+y=-7
6 0
3 years ago
A poll of 1,000 randomly selected registered voters was taken and 680 responded that they favor candidate X for mayor (p 1 = 0.6
Zielflug [23.3K]

Answer:

The interval (-0.0199, 0.0510) represents the region of values where the true difference (in population terms now) between the initial proportion of registered voters that favour candidate X and the proportion of registered voters that favour candidate X just before election can take on with a confidence level of 90%.

Step-by-step explanation:

Confidence Interval for the population proportion is basically an interval of range of values where the true population proportion can be found with a certain level of confidence. It is usually obtained from the sample.

p₁ represents the proportion of registered voters that favour candidate X in the initial poll, way before the election.

p₂ represents the proportion of registered voters that favour candidate X in the poll just before the election.

So, for this question the confidence interval for the true difference between the population proportion of registered voters that favour candidate X way before the elections and the population proportion that favour candidate X just before the election lies within (-0.0199, 0.0510) with a confidence interval of 90%.

Confidence interval is calculated mathematically as thus:

Confidence Interval = (Difference in Sample proportion) ± (Margin of error)

Margin of Error is the width of the confidence interval about the difference in the two sample proportions.

It is given mathematically as,

Margin of Error = (Critical value) × (standard Error)

Critical value = 1.645 (obtained from the z-tables because the sample size is large enough to ignore that information about the population standard deviation isn't given and t-critical value approximates z-critical value)

Hope this Helps!!!

4 0
3 years ago
Suppose that the Band Booster Club sells 25 blanket wraps during a chilly football game. Use the graph to determine how many T-s
igor_vitrenko [27]

Answer:

Can I see the graph?

Step-by-step explanation:

You need the info of the graph to get the answer.

6 0
2 years ago
A high school drama club is selling tickets for a fundraiser event. Based on data from past events, the number of tickets sold c
-Dominant- [34]

Answer:

600 or 16

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
X2 + y2 - 14x + 10y + 65 = 0 <br><br> will lie ENTIRELY in Quadrant
Afina-wow [57]
Rearranging to standard form 
= (x - 7)^2 + (y + 5)^2 = -65 + 49 + 25
 (x-7)^2 + (y+5)^2 = 9 
so the centre is at (7,-5) and the radius is 3

so the circle will be entirely in Quadrant 4.
5 0
3 years ago
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