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3 years ago

Write an addition problem that has 9/10 as the sum

1 answer:

3 0

There are a number of different problems that you could do that will give you an outcome of 9/10
For example, 1/2 and 2/5 add up to 9/10.
3/10 and 6/10 also add up to 9/10.

Find the sum of 7/10 and 1/5
Find the sum of 7/20 and 11/20
Find the sum of 1/2 and 3/10 and 1/10
Find the sum of 1/5 and 2/5 and 3/10

Hope this helps :)

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Last year Tyler used 60 feet of fencing to enclose a rectangular garden with an area of 200 ft². This year Tyler plans to use 12

Alik [6]

Answer:

Area of new garden = 800 ft²

Step-by-step explanation:

Given:

Old fencing = Parameter of old garden = 60 ft

Area of old garden = 200 ft

Find:

Area of new garden if Parameter of new garden is 120 ft

Computation:

Assume;

Length of old garden = l

Width of old garden = b

So,

2[l + b] = 60

l + b = 30

l = 30 - b

Area of old garden = 200 ft

l x b = 200

So,

(30 - b)b = 200

b² - 30b + 200 = 0

b² - 20b - 10b + 200

b(b-20) - 10(b-20)

(b-20)(b-10)

So,

Width of old garden = 10 ft

Length of old garden = 20 ft

New parameter is double

So,

Width of new garden = 10 x 2 = 20 feet

Length of old garden = 20 x 2 = 40 feet

Area of new garden = l x b

Area of new garden = 20 x 40

Area of new garden = 800 ft²

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3 years ago

Which of the following can be used to appropriately measure the weight of a car<br>

OverLord2011 [107]

Ton is the answer.

Hope it helps!

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2 years ago

there are 5.816x10 to the power of 4 spectators in a stadium watching a football game.in a theatre there are 1,150 people watchi

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3 years ago

A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondent

ladessa [460]

Answer:

95%

Step-by-step explanation:

For a given sample data, the width of the confidence interval would vary directly with the confidence level i.e. more the confidence level, wider will be the confidence interval.

This is because the critical value associated with the confidence level(e.g z value) becomes larger as the confidence level is increased which results in an increased interval.

The confidence interval for a population proportion is given by the formula:

$p \pm z\sqrt{\frac{pq}{n} }$

So, for a fixed value of p,q and n, the larger the value of z the wider will be the confidence interval.

Hence 95% confidence interval will be wider than 80% confidence interval.

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4 years ago

Find the missing value in the table below to determine the cost of 9 tickets.

melisa1 [442]

Answer:

22.5

Step-by-step explanation:

one ticket costs $2.5 (divide total cost by total number of tickets)

6 0

3 years ago