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Leya [2.2K]
3 years ago
10

On their first day of vacation, a family spent $127.92 for meals. The family spent $160.01 for meals the second day. By what amo

unt did their food spending increase on the second day?
A. $287.93
B. $187.93
C. $43.09
D. $32.09
Mathematics
2 answers:
Mrac [35]3 years ago
7 0
The answer is D. $32.09
ehidna [41]3 years ago
5 0

Answer:

D=32.09

Step-by-step explanation:

160.01-127.92=32.09

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Answer:

1. x=18 2. x=1

Step-by-step explanation:

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-18 C°

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8 0
2 years ago
8. If k = log, 3 then log, 48 =<br> 16<br> (1) 2k +3<br> (3) k +8<br> (2) 3k +1<br> (4) k +4
vekshin1

assuming you means k = log_2(3) [as log(2)3 is the same thing as 3log(2) due to multiplication being commutative]

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5 0
3 years ago
What is the confidence interval estimate of the population mean percentage change in the price per share of stock during the fir
I am Lyosha [343]

Answer:

(-0.1059 ; - 0.0337)

Step-by-step explanation:

The data table is attached in the picture below:

These is a matched pair design ; which requires taking the difference of the two values for each sample :

The mean and standard deviation of the difference will be used to construct the confidence interval :

The mean of difference, dbar = Σx/n = - 0.0698

The standard deviation of difference, Sd ;

Sd = [√Σ(d - dbar)²/(n-1)] = 0.1054

n = sample size = 25

The confidence interval :

dbar ± [TCritical * Sd/√n]

Tcritical at 90% ; df = n -1 = 25 -1

Tcritical(90% , 24) = 1.1711

C.I = - 0.0698 ± (1.711 * 0.1054/√25)

C.I = - 0.0698 ± 0.0361

C.I = (-0.1059 ; - 0.0337)

5 0
2 years ago
The cast of the play makes 275 programs for 5 shows. How many programs will be needed for 13 shows?
Advocard [28]
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3 years ago
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