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4 years ago

Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long?

Mathematics

2 answers:

allsm [11]4 years ago

7 0

Somewhere between 70 and 80 banners.

kicyunya [14]4 years ago

6 0

87.75 and 11.25 so basically u need too keep adding 11.25 in till u hit 87.75 or the closed u can get to it so 11.25 x7 =78.75 and 11.25x8=90 so u cant do anymore after 11.25x7=78.75 u have 9 feet of banner paper left over also the answer =7 u can make 7 banners

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In 1990, the average math SAT score for students at one school was 498. Five years later, a teacher wants to perform a hypothe

mojhsa [17]

Answer:

A. Fail to reject the claim that the average math SAT score is 498 when in fact it is not 498.

Step-by-step explanation:

Type II Error:

A type II error happens when there is a non-rejection of a false null hypothesis.

In this question:

The null hypothesis is H0:μ=498.

Since there is a type II error, there was a failure to reject the claim that the average math SAT score is 498 when in fact it is not 498, and thus, the correct answer is given by option A.

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3 years ago

What is the product of 6x + 6 and 8x?

spin [16.1K]

Answer: 56

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3 years ago

Read 2 more answers

Can someone give me an answer for this?

stealth61 [152]

Answer:

444 adult ticket

763 student ticket

Step-by-step explanation:

let a = number of adult ticket

let s = number of student ticket

s+a=1207

5a+s=2983

get s by itself in the 1st equation so you can plug it into the 2nd

s+a=1207

-a -a

s=1207-a

5a+(1207-a)=2983

solve for a

4a+1207=2983

-1207 -1207

4a= 1776

444

this is adult ticket amount

subtract this from 1207 to get student amount

1207-444=763

8 0

3 years ago

Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the range, variance, and stand

Black_prince [1.1K]

Answer:

Step-by-step explanation:

The data is written wrongly. The correct data is:

42, 40, 38, 31, 22, 19, 17, 16, 15.9, 15.0

Range = largest value - smallest value

Range = 42 - 15 = 27

n = 10

The mean of the set of data given is

Mean = (42 + 40 + 38 + 31 + 22 + 19 + 17 + 16 + 15.9 + 15.0)/10 = 25.59

Standard deviation = √(summation(x - mean)²/n

Variance = Summation(x - mean)²/n =

Summation(x - mean)² = (42 - 25.59)^2 + (40 - 25.59)^2 + (38 - 25.59)^2 + (31 - 25.59)^2 + (22 - 25.59)^2 + (19 - 25.59)^2 + (17 - 25.59)^2 + (16 - 25.59)^2 + (15.9 - 25.59)^2 + (15.0 - 25.59)^2 = 1088.329

Variance = 1088.329/10 = 108.8329

Standard deviation = √variance = √(108.8329 = 10.43

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3 years ago

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Answer:

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