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Alex73 [517]
3 years ago
8

Pleasee helpp answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!

Mathematics
1 answer:
atroni [7]3 years ago
8 0

Answer:

15.

Step-by-step explanation:

Distance = √[(9- (-3))^2 + (5 - (-4))^2]

= √(144 + 81)

= √225

= 15.

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What is the slope and y inyercept for (1,-19) , (2-,-7)
erma4kov [3.2K]

Answer:

The answer is -4

Step-by-step explanation:


3 0
3 years ago
A survey conducted by the American Automobile Association (AAA) showed that a family of four spends an average of per day while
KatRina [158]

Answer:

(233.8436 ; 271.0564)

Yes

Step-by-step explanation:

Given :

Sample mean, xbar = 252.45

Sample standard deviation, s = 74.50

Sample size, n = 64

α = 0.05

The confidence interval :

Mean ± margin of error

Margin of Error = tα/2 * s/√n

df = n - 1 = 64 - 1 = 63

t(α/2, df = 63) = 1.998

Margin of Error = 1.998 * 74.50/√64

Margin of Error = 18.6064

The confidence interval :

252.45 ± 18.6064

(233.8436 ; 271.0564)

Comparing the confidence interval value and the mean value reported by the American Automobile Association ;it can be concluded that the mean reported by the American Automobile Association differ from the mean spent at Niagara Fall as 215.60 falls below the confidence interval.

5 0
3 years ago
In a classroom of 32 students, 14 are male. What percentage of the class is female?
Stells [14]
You know that 14/32 are boys. Divide this out and you get 0.4375, move the decimal two places to the right and you get 14/32 = 43.75%. The percentage of boys plus girls must equal 100%, so knowing that is the percentage of boys, 100% minus 43.75% must equal the percentage of girls. 100% - 43.75% = 56.25% so 56.25% is the percentage of girls in the class. 
8 0
4 years ago
Read 2 more answers
Help me out guys please
Levart [38]
C u are multiplying 45 and a number, n
8 0
3 years ago
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A bowl contains equal numbers of red, orange, green, blue, and yellow candies. Kaz eats all of the green candies and half of the
bagirrra123 [75]

Answer: 0%

Step-by-step explanation:

There are 5 colors of jelly beans.

Kaz ate all the green beans, so now only 80% of the jelly beans remain.

Kaz ate half of the orange pieces so now only 70% of the jelly beans remain.

Then Kaz ate half of the remaining pieces, so only 35% of the beans remain.

Current numbers: 0% green, 5% orange, 10% red, yellow, blue

Then he eats red and yellow candies in equal proportions until only 15% of the beans remain.  This means that he ate 20% worth of red and yellow beans.  This means that he ate all of the red and yellow beans.

Thus, there are 0% red beans left.

3 0
4 years ago
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