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2 years ago

What times what times what times what equals -5/24 i need two different ways please help

Mathematics

1 answer:

saul85 [17]2 years ago

4 0

Answer:

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Step-by-step explanation:

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By using shadows, Megan wants to find the height of a flagpole. At a certain time of day, her shadow is 3.5 feet long and the fl

harina [27]

<h2>Answer:</h2>

the pole is 22 feet long

<h2>Step-by-step explanation:</h2>

Multiply the length of the flagpole's shadow by meagan's height, and then divide the resulting number by the length of her shadow.

For example, if you are 5 feet tall, your shadow is 8 feet long, and the tree's shadow is 100 feet long, the height of the tree is (100 x 5) / 8 = 62.5 feet.

I hope its right because I kind of took a good guess. If ur not sure with my answer then i suggest u dont put it unless u are.

4 0

2 years ago

Solve the inequality. Use algebra to solve the corresponding equation. x^2 - 11x + 30 ≥ 0

raketka [301]

Factor

$(x - 6)(x - 5) \geqslant 0 \\$

If ab>0 then a>0 And b> 0

Then

4 0

2 years ago

one that 126945 round - 126945 to the nearest hundred thousand nearest ten thousand nearest thousand which of these rounds amoun

liraira [26]

It is in the nearest ten thousand

4 0

2 years ago

8. What is the domain of <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7Bx%5E%7B2%7D%20%2B20x%2B75%7D" id="TexFormula1" title

antiseptic1488 [7]

Answer:

8. Domain: (-∞, -15) ∪ (-15, -5) ∪ (-5, ∞)

9. Domain: [7/13, ∞)

Range: [1, ∞)

Step-by-step explanation:

<u>Question 8</u>

Given rational function:

$f(x)=\dfrac{x}{x^2+20x+75}$

Factor the denominator of the given rational function:

$\implies x^2+20x+75$

$\implies x^2+5x+15x+75$

$\implies x(x+5)+15(x+5)$

$\implies (x+15)(x+5)$

Therefore:

$f(x)=\dfrac{x}{(x+15)(x+5)}$

<u>Asymptote</u>: a line that the curve gets infinitely close to, but never touches.

The function is <u>undefined</u> when the <u>denominator equals zero</u>:

$x+15=0 \implies x=-15$

$x+5=0 \implies x=-5$

Therefore, there are <u>vertical asymptotes</u> at x = -15 and x = -5.

<u>Domain</u>: set of all possible input values (x-values)

Therefore, the <u>domain of the given rational function</u> is:

(-∞, -15) ∪ (-15, -5) ∪ (-5, ∞)

---------------------------------------------------------------------------------

<u>Question 9</u>

Given function:

$f(x)=\sqrt{13x-7}+1$

<u>Domain</u>: set of all possible input values (x-values)

As the <u>square root of a negative number</u> is <u>undefined</u>:

$\implies 13x-7\geq 0$

$\implies 13x\geq 7$

$\implies x\geq \dfrac{7}{13}$

Therefore, the <u>domain of the given function</u> is:

$\left[\dfrac{7}{13},\infty\right)$

<u>Range</u>: set of all possible output values (y-values)

$\textsf{As }\:\sqrt{13x-7}\geq 0$

$\implies \sqrt{13x-7}+1\geq 1$

Therefore, the <u>range of the given function</u> is:

[1, ∞)

8 0

1 year ago

Considering only the values of β for which (1+cosβ)(1−cosβ)sinβ is defined, which of the following expressions is equivalent to

just olya [345]

The following expressions (1+cosβ)(1−cosβ)sinβ is equivalent to sin³β

<h3>What are Trigonometric Ratios ?</h3>

In a Right angled triangle , trigonometric ratios can be used to determine the value of angles and sides of the triangle.

The trigonometric expression given in the question is

(1+cosβ)(1−cosβ)sinβ

(a+b)(a-b) = a² - b²

( 1 - cos²β)sinβ

By the trigonometric Identity

1-cos²β = sin² β

sin² β x sin β

sin³β

Therefore Option B is the correct answer.

To know more about Trigonometric Ratio

brainly.com/question/13724581

#SPJ1

7 0

1 year ago