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2 years ago

Inequality the difference of2and a number is at least negetive 1

Mathematics

1 answer:

geniusboy [140]2 years ago

7 0

An inequality where the difference between 2 and a number is at least negative 1 will be x - 2 ≥ -1.

<h3>What is the inequality?</h3>

The first part of the inequality is that there is a difference between a number and 2.

Assuming that number is 2, the first part is:

x - 2

The result of this subtraction at least negative 1. When a number is at least a number, it means that it is either that number or larger.

So the total inequality is:

x - 2 ≥ -1

Find out more on inequalities at brainly.com/question/16914953.

#SPJ1

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Evaluate each expression x=-3,y=6,z=-4what is x+y+(-1)

Alex_Xolod [135]

substitute the numbers.

-3 + 6 - 1

= 2

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3 years ago

What’s the slope of (-3, 6), (2, 6)?

IRINA_888 [86]

Answer:

Step-by-step explanation:

(y2-y1)/(x2-x1)

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3 years ago

PLEASE HELP, 30 points AND brainliest if I get an explanation :)

Nostrana [21]

Answer:

Please check the explanation.

Step-by-step explanation:

BLUE PENTAGON

The blue shape represents the Pentagon

The length of the side a = 7

As there are 5 sides.

Thus,

The Perimeter of the Blue Pentagon = P = 5a = 5(7) = 35

Using the formula to determine the area of the Pentagon

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}a^2\:\:\:\:\:\:\:\:\:\:\:\:\:$

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}\left(7\right)^2\:\:\:\:\:\:$

$A\approx 84.3\:\:\:$

Thus,

The Area of the Blue Pentagon = $A\approx 84.3\:\:\:$

RED PENTAGON

The red shape represents the Pentagon

The length of the side a = 4

As there are 5 sides.

Thus,

The Perimeter of the Red Pentagon = P = 5a = 5(4) = 20

Using the formula to determine the area of the Pentagon

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}a^2\:\:\:\:\:\:\:\:\:\:\:\:\:$

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}\left(4\right)^2\:\:\:\:\:\:$

$\:A\approx 27.5$

The Area of the Red Pentagon = $\:A\approx 27.5$

Conclusion:

The Perimeter of the Blue Pentagon = 35

The Perimeter of the Red Pentagon = 20

Thus, the ratio of the perimeter is: 35/20 = 7/4

The Area of the Blue Pentagon = 84.3 = 843/10

The Area of the Red Pentagon = 27.5 = 275/10

Thus, the ratio of the Area is:

$\frac{\frac{843}{10}}{\frac{275}{10}}=\frac{843}{275}$

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