4 years ago

Which statement is true about the function f(x)= VX?

Mathematics

1 answer:

mash [69]4 years ago

4 0

The domain of the graph is all real numbers less than or equal to 0

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⚠️A machine used 48% of its oil. What fraction of its oil did the machine

Alex777 [14]

Answer:

12/25

Step-by-step explanation:

48/100 simplifies to 24/50. 24/50 simplififes to 12/25.

6 0

3 years ago

If <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B%20y%5E%7B2%7D%20%3D%206" id="TexFormula1" title="x^{2} + y^{2} = 6" alt="

beks73 [17]

Recall that

(x + y)² = x² + 2xy + y²

Then if x + y = √7 and x² + y² = 6, we have

(√7)² = 6 + 2xy ⇒ 2xy = 1

We also have

(x - y)² = x² - 2xy + y²

so that

(x - y)² = 6 - 1 ⇒ (x - y)² = 5

which means x - y has two possible values, √5 or -√5.

5 0

2 years ago

What are the numerical measures of the angles?

vredina [299]

ANSWER

The sum of m∠DEA and m∠AEB is 180°.

Reason: The sum of angles on a straight line is always 180°.

$(x + 25)+(9x + 10)=180 \degree$

Group like terms to get,

$x+9x=180-25-10$

Simplify, and get,

$10x = 145$

Divide both sides by 10 to get,

$x = 14.5$

We substitute this value to get the required angles.

$m \: ∠DEA=x+25$

$m \: ∠DEA = 14.5 + 25 = 39.5 \degree$

$m\:∠AEB=9x+ 10$

$m\:∠AEB = 9(14.5) + 10$

$m\: ∠AEB=130.5 + 10 = 140.5 \degree$