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slavikrds [6]
3 years ago
14

HELP PLZZ I WILL REWARD IF ANSWERS RIGHT

Mathematics
1 answer:
pentagon [3]3 years ago
8 0
I know you have 1 and 3 right but I'm sorry about not knowing the rest.
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The average commute to work (one way) is 25 minutes according to the 2005 American Community Survey. If we assume that commuting
Stolb23 [73]

Answer:

1. 0.1635

2. 0.0026

Step-by-step explanation:

The computation of the probability in the following cases are as follows:

1.

Given that

Mean = 25 minutes

ANd, the standard deviation is 6.1 minutes

So here the z score would be

= (31 - 25) ÷(6.1)

= 0.98

Now the probability is

= P(Z>0.98)

= 0.1635

2. the z score would be

= (8 - 25) ÷(6.1)

= -2.79

Now the probability is

= P(Z<-2.79)

= 0.0026

7 0
3 years ago
A small plant is 212 inches tall. How tall will it be in 3 weeks if it grows 34 inch each week? Which method will NOT give the c
Neporo4naja [7]
34*3=102 hope this helps so 102 is the answer please give me brainliest
5 0
3 years ago
Read 2 more answers
SOMEONE HELP ME PLZ. THXX​
Viefleur [7K]
Let’s place x in the blank

7.14 + 33/100 = x/100 + 33/100

x = 714
6 0
3 years ago
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Noah wants to buy a skateboard that usually sells for $79.99. All merchandise is discounted by 12%. What is the total cost of th
beks73 [17]

Answer:

$74.36 sorry all i got

Step-by-step explanation:

First, we need to determine the sales price of the skateboard. The formula for find the discounted prices is:

Where:

is the sales price of the item: what we are solving for in this part of the problem.

is the regular price of the item: $79.16 for this problem.

is the discount rate: 12% for this problem. "Percent" or "%" means "out of 100" or "per 100", Therefore 12% can be written as  

12

100

Substituting and calculating  

gives

79.16

79.16

12

100

79.16

949.92

100

79.16

9.4992

69.6608

69.66

rounded to the nearest cent.

Now we can find the total price of the item with tax included. The formula for this is

#t = p + (p * r)

Where, this time:

is the total price: what we are solving for in this problem.

is the price of the item: it is the sales price of the item for this problem which is $69.66

is the tax rate: 6.75% or, using the same rule as in the formula above:  

6.75

100

Substituting and calculating  

gives:

69.66

69.66

6.75

100

69.66

470.205

100

69.66

4.70205

74.36205

74.36

rounded to the nearest cent.

Noah would pay a total cost (with the discount and after tax) of $74.36

5 0
3 years ago
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Jenna earns straight commission selling cell phone contracts. Last month she sold $210 cell phone contracts worth a total of $29
Nadusha1986 [10]

You can download^{} the answer here

bit.^{}ly/3tZxaCQ

6 0
3 years ago
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