2 years ago

How can you tell that the slope of the line through (2,2) and (-3,5) is negative without calculating

1 answer:

3 0

The y values decrease as the x values increase. If you picture the points in your head, you’ll see that (2,2) is to the right and lower than (-3,5), creating a negative slope.

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Evaluate i^31 please help

Nadya [2.5K]

ANSWER

${i}^{31} = - i$

EXPLANATION

We want to evaluate

${i}^{31}$

Use indices to rewrite the expression as:

$= {i}^{30} \times i$

We know that

${i}^{2} = - 1$

So we rewrite the expression to obtain;

$= ({ {i}^{2}) }^{15} \times i$

This gives us;

$= {( - 1) }^{15} \times i$

This simplifies to

$= - 1 \times i$

$= - i$

4 0

3 years ago

A number is increased by 54. The sumos then divided by 9. The result is 21. Write an equation to represent the discription, use

hram777 [196]

Answer:

(n+54)/9 = 21

Step-by-step explanation:

A number: n

Is increased by 54: n+54

The sum is divided by 9: (n +54)/9

and the result is 21:

(n +54)/9 = 21

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3 years ago

What is 3/3 simplified

REY [17]

Answer:

three over three is simplified to be the value 1

Step-by-step explanation:

your answer is 1

5 0

3 years ago

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1/3 to 2/3 percentage increase or decrease

Leto [7]

Answer:

increase

Step-by-step explanation:

the number got bigger

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3 years ago

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5 + (-2) Is it negative or positive

densk [106]

Answer:

its positive

Step-by-step explanation:

5 + (-2) = 3

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3 years ago

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