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Airida [17]
3 years ago
8

What is the answer to 2× -2

Mathematics
2 answers:
sineoko [7]3 years ago
6 0

Answer:

There is none

Step-by-step explanation:

There is no answer unless you have an x value. If you did have one you would multiply it by 2 and then subtract 2.

Wittaler [7]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

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Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B=40−0.1n,
Molodets [167]

Answer:

Part a) When Marcos purchased the card, the balance on the card was $40

This is the B-intercept

Part b) Mark will have spoken 400 minutes when he runs out of money

This is the n-intercept

part c) The slope of the equation is -0.1 and the units are dollars per minute

Step-by-step explanation:

we have

B=40-0.1n

where

B is balance in dollars on the card

n is the number of minutes

Part a) How much money was on the card when he purchased it? $______. Which intercept is this? B-intercept or N-intercept?

we know that

The B-intercept is the value of B when the value of n is equal to zero

so

For n=0

substitute and find the value of B

B=40-0.1(0)=\$40

therefore

When Marcos purchased the card, the balance on the card was $40

This is the B-intercept

Part b) How many minutes will he have talked when he runs out of money? $_____. Which intercept is this? B-intercept or n-intercept ?

we know that

The n-intercept is the value of n when the value of B is equal to zero

so

For B=0

substitute and find the value of n

0=40-0.1n

0.1n=40

n=400\ minutes

therefore

Mark will have spoken 400 minutes when he runs out of money

This is the n-intercept

Part c) What is the slope of this equation?________ . What are the units on the slope? Minute , dollars per minute ,minutes per dollars or dollars ?

we have

B=40-0.1n

This is is the equation of the line into slope intercept form

m=-0.1\frac{\$}{minute} -----> slope of the equation

b=40 ------> the B-intercept

The units of the slope are dollars per minute

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Toucans and blue-and-yellow macaws are both tropical birds. The length of the toucan in the picture to the right is about
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Answer:

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Step-by-step explanation:

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Any value that is set and cannot change is a variable.<br><br> A.True<br> B.False
Leni [432]
Thank you for posting your question here at brainly. Feel free to ask more questions.  

The best and most correct answer among the choices provided by the question is <span>B.False</span><span> .</span><span>       
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Hope my answer would be a great help for you.</span>
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Drag each tile to the correct location on the table.
RoseWind [281]

Short-term investments characteristics  are:

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<h3>What are Long-Term Investments?</h3>

Others are:

Long-term investments characteristics  are:

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Long-term investments are known to be a kind of assets that people or a firm intends to keep for a long period of time that is usually more than three years.

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