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Vladimir79 [104]
3 years ago
15

Audrey and Lauren began reading a novel on the same day. Audrey reads 8 pages a day and Lauren read 4 pages a day . If Audrey is

on page 40, on what pages is Lauren?
Mathematics
2 answers:
Leto [7]3 years ago
3 0
Use proportion:-

4/8 = x / 40  where x is the page that  Lauren is on.
8x = 4*40 = 160
x = 160/8  = 20

Page 20.
My name is Ann [436]3 years ago
3 0

⇒Number of pages read by Aurey in a day =8 pages

He is on page 40.

Number of days required to reach on page 40,if he reads 8 pages in day

                                   =\frac{40}{8}\\\\=5 \text{days}

⇒Number of pages read by lauren in a day =4 pages

After 5 days , number of pages read by lauren =4 ×5=20 Pages

So,Lauren is on 20th page after 5 days.

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Write an expression that equals 56. Include an exponent.
Troyanec [42]

There are many possibilities. An example is 1^{1} + 55 = 56.

6 0
3 years ago
A number - _______ = previous number
leva [86]

Answer:

1

Step-by-step explanation:

When we substract 1 from any number then will get just previous number.

Example :

Let any number 17

17-1 =16

16 is the just previous number of 17

Therefore, A number -1 = previous number

Answer will be 1

6 0
2 years ago
Question Help Of 515515 samples of seafood purchased from various kinds of food stores in different regions of a country and gen
Setler79 [48]

Answer:

(0.5848 ; 0.6552)

We are confident that about 58% to 66% of sea foods in the country are Mislabelled.

No, criticism isnt valid and generalization can be made once the assumptions for constructing a confidence interval is met.

Step-by-step explanation:

Sample size, n = 51

p = 0.62

1 - p = 1 - 0.62 = 0.38

n = 515

Confidence level = 90% = Zcritical at 90% = 1.645

Confidence interval = (p ± margin of error)

Margin of Error = Zcritical * sqrt[(p(1-p))/n]

Margin of Error = 1.645 * sqrt[(0.62(0.38))/515]

Margin of Error = 1.645 * 0.0214

Margin of Error = 0.035203

Lower boundary = (0.62 - 0.035203) = 0.584797

Upper boundary = (0.62 + 0.035203) = 0.655203

(0.5848 ; 0.6552)

We are confident that about 58% to 66% of sea foods in the country are Mislabelled.

No, criticism isnt valid and generalization can be made once the assumptions for constructing a confidence interval is met.

3 0
3 years ago
PLEASE HELP!!!!! The table displays the mean name length for seven samples of students. Sample Mean Name Length 1 5.4 2 7.1 3 6.
Vikki [24]

Answer:

A. The variation between the sample means is small.

Step-by-step explanation:

I took the quiz and got it right. O gotchu fam

8 0
3 years ago
Read 2 more answers
Four brothers each bought two hot dogs and a bag of chips at the football concession stand. If the bag of chips was $1.25, and t
GrogVix [38]

Answer:

The price of one hot dog is $1.65

Step-by-step explanation:

8h+4c= x

c= 1.25

x= 18.20

8h + 4(1.25)= 18.20

8h + 5 = 18.20

( subtract 5 from both sides of the equation)

8h = 13.20

( divide both sides by 8 to isolate the variable)

h = 1.65

so each hot dog is 1.65

3 0
2 years ago
Read 2 more answers
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