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Vesnalui [34]
3 years ago
10

Help fast plz !!!!!!!!!

Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

2295/64 or 35 and 55/64

Step-by-step explanation:

3 3/4 * 4 1/2 * 2 1/8 = 15/4*9/2*17/8=2295/64 or 35 and 55/64

levacccp [35]3 years ago
8 0

Answer:

It should be 35

Step-by-step explanation:

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Refer to the accompanying data set of mean​ drive-through service times at dinner in seconds at two fast food restaurants. const
Anton [14]

Step-by-step explanation:

Assuming the data is as shown, restaurant X has a mean service time of 180.56, with a standard deviation of 62.6.

The standard error is SE = s/√n = 62.6/√50 = 8.85.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

180.56 ± 1.960 × 8.85

180.56 ± 17.35

(163, 198)

Restaurant Y has a mean service time of 152.96, with a standard deviation of 49.2.

The standard error is SE = s/√n = 49.2/√50 = 6.96.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

152.96 ± 1.960 × 6.96

152.96 ± 13.64

(139, 167)

4 0
3 years ago
What 100-38 (656) =1000000
Likurg_2 [28]

100 - 38(656) = 1000000

100 - 24928 = 1000000

-24828 = 1000000

This is false!

Hope this helps! ;)

4 0
3 years ago
44% of all statistics classes require a statistical calculator and 27% require the use of a computer that has statistical softwa
atroni [7]

2Step-by-step explanation:

7 0
3 years ago
Helplpppppp<br> 5(5x+1)=25x-7 *
Dennis_Churaev [7]

Answer:

25x+5=25x-7.

25x-25x=-7-5.

= -12.

3 0
3 years ago
Read 2 more answers
Roblem #7
gtnhenbr [62]

Answer:

no solution.

Step-by-step explanation:

1) in order to explain, the given system should be resolved:
\left \{ {{2y=6x+4} \atop {y=3x-4}} \right. \ < = > \ \left \{ {{y=3x+2} \atop {y=3x-4}} \right.

2) the both equations have the same slope (it is 3), it means the given lines are parallel, then no solution.

3 0
2 years ago
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