3 years ago

Which numbers are greater than -11.2?

Mathematics

1 answer:

Kruka [31]3 years ago

3 0

Answer:

-11.1 and up

Step-by-step explanation:

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temperature rose 7° between 9 AM and 2 PM yesterday the temperature at 2 PM was 75 Fahrenheit Wally use the following question

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The answer is 68 because if it rose between the times it would mean you minus 7 from 75

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helpppppppppppppppp need now--------------------------------------------------Manuel borrowed $1,500 from his bank and signed a

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vitfil [10]

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3 years ago

The length of a rectangle is 7 more than the width the area is 744 square centimeters find length and width of rectangle

andrezito [222]

Answer:

$l=31\ cm\\\\w=24\ cm$

Step-by-step explanation:

The formula that is used to calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width.

You know that the area of that rectangle is:

$A=744\ cm^2$

And, according to the exercise, its lenght is 7 more than its width; then:

$l=w+7$

Then, you can make the corresponding substitution into the formula $A=lw$ :

$744=(w+7)w$

Simplify:

$744=w^2+7w\\\\w^2+7w-744=0$

Factor the equation. Find two numbers whose sum is 7 and whose product is -744. These are 31 and -24.

Then, you get:

$(w-24)(w+31)=0\\\\w_1=24\\\\w_2=-31$

The width of the rectangle is the positive value:

$w=24\ cm$

Then, the lenght is:

$l=24+7\\\\l=31\ cm$

8 0

3 years ago

An equation is shown below:

Alex787 [66]

Multiply 4 with (2x-5)
8x-20+15=11
add 20 both sides
8x+15=31
subtract 15 both sides
8x=16
divide both sides by the x (8)
x=2

4 0

3 years ago