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Katarina [22]
3 years ago
5

Pedro simplified 4/7 * 8/5 ; his work is shown below. Identify where he made his error. Original division problem: 4/7 * 8/5 Ste

p 1: 4/7 * 8/5 Step 2: 4*5/7*8 Step 3: 20/56 Step 4: 5/14
Mathematics
2 answers:
WITCHER [35]3 years ago
7 0

Answer:

The second answer :)

scoray [572]3 years ago
4 0
I am not sure but I would say either step 2 or 4 but I am not 100% sure I hope you do well. Good Luck:) 
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At Burnt Mesa Pueblo, archaeological studies have used the method of tree-ring dating in an effort to determine when prehistoric
Zanzabum

Answer:

a) (1215, 1297)

b) (1174,  1338)

c) (1133, 1379)      

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 1256

Standard Deviation, σ = 41

Empirical Rule:

  • Also known as 68-95-99.7 rule.
  • It states that almost all the data lies within three standard deviation for a normal data.
  • About 68% of data lies within 1 standard deviation of mean.
  • About 95% of data lies within two standard deviation of mean.
  • About 99.7% of data lies within 3 standard deviation of mean.

a) range of years centered about the mean in which about 68% of the data lies

\mu \pm 1(\sigma)\\=1256 \pm 41\\=(1215, 1297)

68% of data will be found between 1215 years and 1297 years.

b) range of years centered about the mean in which about 95% of the data lies

\mu \pm 2(\sigma)\\=1256 \pm 2(41)\\=1256 \pm 82\\=(1174, 1338)

95% of data will be found between 1174 years and 1338 years.

c) range of years centered about the mean in which about all of the data lies

\mu \pm 3(\sigma)\\=1256 \pm 3(41)\\=1256 \pm 123\\=(1133, 1379)

All of data will be found between 1133 years and 1379 years.

3 0
3 years ago
It's very urgent plss answer
Lesechka [4]

The solution of the equation 4p – [(2p – 3) / 2] = 6 with variable p will be 1.5.

<h3>What is the solution of the equation?</h3>

The solution of the equation means the value of the unknown or variable.

The equation is given below.

4p – [(2p – 3) / 2] = 6

On simplifying, we have

(8p – 2p + 3) / 2 = 6

               6p + 3 = 12

                     6p = 9

                       p = 1.5

More about the solution of the equation link is given below.

brainly.com/question/545403

#SPJ1

8 0
1 year ago
А
Hoochie [10]

Answer: 48 feet

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
You have 3/6 cup of brown sugar in your cupboard. The recipe for a dessert
Dmitry_Shevchenko [17]
Already have: 3/6 cups
need : 1/5
3/6 - 1/5=
15/30 - 6/30=
9/30=
3/10

so you wil have 3/10 of brown sugar left
3 0
3 years ago
In aremethic, variables look like
Digiron [165]

Answer:

variables look like letters of the alphabet.

I hope this helps

5 0
2 years ago
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