2 years ago

If the expression below has a positive value, which inequality represents all possible values of x in the

Mathematics

2 answers:

fiasKO [112]2 years ago

6 0

The Inequality which represents all possible values of x, such that the given expression is a positive value is :

$x < 0$

Y_Kistochka [10]2 years ago

3 0

Answer:

x < 0 is your answer

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Find the missing length for the right triangle described below. B = 21 ft, c=27 ft. Find side a. Round to the nearest whole numb

maksim [4K]

Answer:

16.97 ft

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Side B = 21 ft

Side c = 27 ft

As we know, formula for right triangle is as follows,

$a^{2} + b^{2} = c^{2}$

$a^{2} = c^{2} - b^{2}$

So, by putting the value in the formula, we get,

$a^{2} = 27^{2} - 21^{2}$

$a^{2}$ = 729 - 441

$a^{2}$ = 288

a = 16.97 ft

Hence, the length of the side for the right triangle is 16.97ft.

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3 years ago

Mack wrote the equation x² + 7x + 84 = x² + 13x + 30 to show that the area of a changed rectangle is 84 ft² greater than the are

Sliva [168]

3 was added to each side (K12)

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3 years ago

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The length of a rectangle is 4 cm more than the width. The are is 96 cm squared. Find the dimensions of the rectangle.

lozanna [386]

width = w

length = w+4

Area = l*w

substitute

96 = (w+4) *w

distribute

96 = w^2 +4w

subtract 96 from both sides

0 = w^2 +4w -96

factor

0=(w+12) (w-8)

w+12=0 w-8=0

w=-12 w=8

cannot have negative width

w=8

l=12

Answer: width =8 cm

length = 12cm

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3 years ago

Let x = 4.<br><br><br><br> What is the value of y in the equation y = 15 + 11 + x?

marishachu [46]

Okay so you have to add up 15 and 11 and 4 so your answer is y=30

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Answer:

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Step-by-step explanation:

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3 years ago