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3 years ago

Consider these signed numbers and determine whether each product is positive or negative.

Mathematics

1 answer:

djverab [1.8K]3 years ago

6 0

Answer:

1. negative. why: a negative multiplied by a positive will always be negative.

2. positive. why: a positive multiplied by a positive will always be positive.

3. positive. why: a negative multiplied by a negative will always be positive.

Step-by-step explanation:

hope this helps

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The $299.99 of a cell phone Brittany purchesd was on sail for 10% off. What amount did Brittany save?

Oksi-84 [34.3K]

Answer:

10* 299.99=2999.9

2999.9/100=29.999

this would round up to 30, so Brittany saved $30. : )

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3 years ago

Question 19 of 28

Goryan [66]

Answer:

BC^2=10^2+30^2

Step-by-step explanation:

P=10
B=30

Using pythagorean theorem

$\\ \sf\longmapsto BC^2=10^2+30^2$

$\\ \sf\longmapsto BC^2=100+300$

$\\ \sf\longmapsto BC^2=400$

$\\ \sf\longmapsto BC=\sqrt{400}$

$\\ \sf\longmapsto BC=20$

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3 years ago

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aniked [119]

Answer:

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Step-by-step explanation:

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3 years ago

What’s 21.42 as a route

viva [34]

Answer:

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Step-by-step explanation:

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3 years ago

What is the slope of a line that is perpendicular to the line of 2x+4y=12

kipiarov [429]

make the equation slope-intercept form:

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4y = -2x + 12

divide by 4 to get y by itself:

y = -1/2x + 3

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y = 2x + 3

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3 years ago