3 years ago

Name the property the equation illustrates.

Mathematics

1 answer:

marishachu [46]3 years ago

7 0

Answer is c. Inverse Property of addition

The sum of a number and its opposite is 0.

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Find the area. 5 cm 4 cm 3 cm

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Answer:

The area is 60

Step-by-step explanation:

You had to multiply 5×4×3

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Factor completely. x^4 - 9.

tester [92]

Answer:

$(x^2+3)(x^2-3)$

Step-by-step explanation:

Since both are perfect squares use the difference of squares formula $a^2-b^2=(a+b)(a-b)$ with a = $x^{2}$ and b = 3

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4 years ago

How can you solve 3(x+2)=9 without distributing?

Afina-wow [57]

Answer:

see the explanation

Step-by-step explanation:

we have

$3(x+2)=9$

Divide by 3 both sides (division property of equality)

$\frac{3(x+2)}{3}=\frac{9}{3}$

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Subtract 2 both sides (subtraction property of equality)

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3 years ago

Find x. Round to the nearest tenth: 500 ft S у x = [ ? ]ft

lukranit [14]

Answer:

x = 437.3 ft

Step-by-step explanation:

Angle of elevation = angle of depression = 29°

Reference angle = 29°

Adjacent side = x

Hypotenuse = 500

Applying trigonometric ratio, we have:

Cos 29 = x/500

Multiply both sides by 500

500*cos 29 = x

437.309854 = x

x = 437.3 ft (nearest tenth)

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3 years ago

Please tell me the answer and help me explain how it’s the right answer

Gala2k [10]

Answer: number greater than -8 includes -2, 1/4, 2.6, 4

Explanation:

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