2 years ago

Can someone help me with this???

Mathematics

1 answer:

Varvara68 [4.7K]2 years ago

4 0

Answer:

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What is the domain of this relation? { (2, 4), (5, -3), (4, 8), (-2, 8) }

IrinaVladis [17]

Answer:

{-2, 2, 4, 5}

Step-by-step explanation:

The domain is the set of x values.

8 0

2 years ago

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!

inna [77]

Yo sup??

this question can be solved by applying trigonometric ratios

let the angle W be x, then

cosx=5/7

x=44.4

Hope this helps

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2 years ago

Simplify <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20-%2036" id="TexFormula1" title="x^{2} - 36" alt="x^{2} - 36" align="abs

Alexxandr [17]

Answer:

${x}^{2} - 36 \\ = (x + 6)(x - 6)$

Step-by-step explanation:

x^2-36

(x+6) ( x-6)

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2 years ago

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If you want to buy an item in a store that costs $15 and is on sale for 15% off, then how much would the item actually cost you

scoray [572]

Answer:

It would cost you $12.75.

Step-by-step explanation:

Model an equation, using c as the initial cost variable and x as the final cost, and then solve for x.

$x = \frac{100 - 15}{100} c \\ x = \frac{85}{100} (15) \\ x = \frac{17}{20} (15) \\ x = \frac{17}{4} (3) \\ x = \frac{51}{4} \\ x = 12.75$

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3 years ago

Uesday<br> Write 784,000 in each form,<br> Word:<br> Expanded

balandron [24]

Standard: 784,000

Word: seven hundred eighty-four thousand

Expanded: (700,000) + (80,000) + (4,000)

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2 years ago