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2 years ago

4

Will the lengths 60.5, 63, and 87.5 feet form a right triangle?

1 answer:

kramer2 years ago

7 0

For a triangle to be a right triangle you can substitute the legs of the triangle (16 and 63) and the hypotenuse (65) into the Pythagorean Theorem. If the two sides of the equation are equal it is a right triangle. If they are not equal this is not a right triangle.

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Which values represent the dependent variable? (2,3) (2,-2) (-4,-2) (-2,2) A. {–4, –2, 2} B. {–4, 2, 3} C. {–4, –2, 3} D. {–2, 2

igomit [66]

The dependent variable is the output of a function, which would be the Y value.

In the given set: (2,3) (2,-2) (-4,-2) (-2,2), the Y value is the 2nd number inside each pair of parenthesis.

The answer would be D. {–2, 2, 3}

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2 years ago

Solve for x in the equation x squared + 14 x + 17 = negative 96. x = negative 7 plus-or-minus 4 StartRoot 6 EndRoot i x = –7 ± 8

blagie [28]

Answer:

$x=-7\pm8i$

Step-by-step explanation:

we have

$x^{2} +14x+17=-96$

Equate to zero

$x^{2} +14x+17+96=0$

$x^{2} +14x+113=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2} +14x+113=0$

so

$a=1\\b=14\\c=113$

substitute in the formula

$x=\frac{-14\pm\sqrt{14^{2}-4(1)(113)}} {2(1)}$

$x=\frac{-14\pm\sqrt{-256}} {2}$

Remember that

$i=\sqrt{-1}$

so

$x=\frac{-14\pm16i} {2}$

$x=-7\pm8i$

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2 years ago

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Harrizon [31]

<span>(x – 8)² + (y – 9)² = 3
(x – 8)² + (y – 9)² = 14
</span>are the correct answers

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2 years ago

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Obtain two numbers such their HCF is 20 and their LCM is 300....... By steps...<br><br>

Gemiola [76]

Answer:

60 and 100

Step-by-step explanation:

Look for 2 multiples of 20 which are also factors of 300.

No need to go all Mathematician.

It's simple, no long explanation needed

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2 years ago

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MatroZZZ [7]

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2 years ago

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