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3 years ago

15

2. Give an example of how you use positive and negative numbers in the real world. Be sure to explain the meaning of 0 in your e

xample.

1 answer:

Brums [2.3K]3 years ago

4 0

When measuring altitude you use negative and positive numbers

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One of two or more Expressions that are multiplied together to get a product

slamgirl [31]

Answer:

factor

Step-by-step explanation:

We assume this is a vocabulary question and you want the word that has the definition you have supplied.

Such an expression is called a <em>factor</em>.

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3 years ago

I need help on 15 please

Nikolay [14]

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The sum of two numbers $x$ and $y$ is 399, and the value of the fraction $\frac{x}{y}$ is 0.9. What is the value of $y - x$?

sergey [27]

Answer:

none

Step-by-step explanation:

first thats not a number

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3 years ago

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Fudgin [204]

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3 years ago

The height of a sunflower increases from 160cm to 2 metres in a week. Find the percentage increase in height

Assoli18 [71]

Answer:

25%

Step-by-step explanation:

We are given that

Initial height of sunflower=160 cm

After increasing

Final height of sunflower=2m

We have to find the percentage increase in height.

1 m=100 cm

$2m=2\times 100=200cm$

Increase in height of sunflower=Final height of sunflower-initial height of sunflower

Increase in height of sunflower=200-160=40cm

Percentage increase= $\frac{Increase\;value}{Initial\;value}\times 100$

Using the formula

Percentage increase in height= $\frac{40}{160}\times 100$

Percentage increase in height=25%

4 0

3 years ago