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Nastasia [14]
2 years ago
12

True or false: if your Exppression contains more than one set of parenthesis, you should evaluate all of them before doing anyth

ing else,
Mathematics
2 answers:
mr_godi [17]2 years ago
5 0

Answer:

true

Step-by-step explanation:

dexar [7]2 years ago
4 0

Answer:

yes that is what i was tought

Step-by-step explanation:

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The length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with me
andrey2020 [161]

Answer:

0.5466

Step-by-step explanation:

Given that the  length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with mean 266 days and standard deviation 16 days.

Let X be the length of pregnancies

X is N(266,16)

To find out the probability that pregnancies last between 240 and 270 days (roughly between 8 months and 9 months)

P(240<x<270)

convert each into Z score as z=\frac{x-266}{16}

x=240 means Z = -1.625

x=270 means z=0.25

Required prob

= P(-1.625

5 0
3 years ago
The length of a picture frame is 8 inches more than the width. For what
leva [86]

Answer:

For, "x" greater than 34, the perimeter of the picture frame greater than 152 inches

Solution:

Let "x" be the width of the frame

Given that, The length of a picture frame is 8 inches more than the width

Therefore,

Length = width + 8

Length = x + 8

The perimeter of rectangle is given by formula:

Perimeter = 2(length + width)

Substituting the values we get,

Perimeter = 2(x + 8 + x)

Perimeter = 2(2x + 8)

Perimeter = 4x + 16

The perimeter of the picture frame greater than 152 inches

Perimeter > 152

Therefore, for, "x" greater than 34, the perimeter of the picture frame greater than 152 inches

Step-by-step explanation:

search it up

7 0
2 years ago
Read 2 more answers
A sporting goods store specializes in mountain bikes. Each week, two dozen mountain bikes are randomly selected from the store's
JulijaS [17]

Answer:

A

Step-by-step explanation:

A population is a set of similar items or events which is of interest for some question or experiment.

4 0
1 year ago
Pleaseeeeeee help verrrrryyyyy confuseddddddd on #3
Dmitriy789 [7]
X (adult)= 130 
y (child)= 392
(hope you can see it...)

5 0
2 years ago
Betsy was in a car accident. Her monthly insurance payment of $225 will now be increased by 25%. How much will her monthly payme
sleet_krkn [62]

Answer:

281.25 that is the answer

5 0
2 years ago
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