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3 years ago

Find the measure of ∠AED for m∠BEC = 118

Mathematics

1 answer:

mylen [45]3 years ago

7 0

dang nobody answered.. and this question is on an assignment

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Which of these functions has an inverse function? Select all that apply.

ElenaW [278]

ANSWER

y=x

y=x³

EXPLANATION

A function, f(x) has an inverse if and only if

$f(a) = f(b) \Rightarrow \: a = b$

Thus, the function is one to one.

For y=x or

$f(x) = x$

$f(a) = f(b) \Rightarrow \: a = b$

Hence this function has an inverse.

For the function y=x² or f(x)=x².

$f(a) = f(b) \Rightarrow \: {a}^{2} = {b}^{2} \Rightarrow \: a = \pm \: b$

This function has no inverse on the entire real numbers.

For the function y=x³ or f(x)=x³

$f(a) = f(b) \Rightarrow \: {a}^{3} = {b}^{3} \Rightarrow \: a = b$

This function also has an inverse.

For y=x⁴ or f(x) =x⁴

$f(a) = f(b) \Rightarrow \: {a}^{4} = {b}^{4} \Rightarrow \: a = \pm \: b$

This function has no inverse over the entire real numbers.

5 0

3 years ago

Read 2 more answers

Here we go again... can someone explain how these problems work?

Effectus [21]

Answer:

x = 5 only

≡ On a graph, the point touches (5, 0), making x equal to 0.

≡ In other words, you must replace y with 0 to solve for x. There is no y term in this problem, so you must determine y by separating the coefficients into groups and determining each part.

7 0

2 years ago

A box contains 2 purple marbles, 2 blue marbles, 3 green marbles, and 5 red marbles.

Sedaia [141]

Answer:

red,because The probability of choosing red is 5/12 but this probability for purple and blue is 2/12=1/6,and also for green marbles is 3/12=1/4

5/12>3/12>2/12

4 0

2 years ago

Read 2 more answers

Two brothers want to share a large field equally.

Elan Coil [88]

Yes, the partition gives the two brothers equal shares.

Step-by-step explanation:

Step 1:

Assume the entire field has an area of B. So one brother takes $\frac{1}{12} B$ , $\frac{1}{6}B$ , and $\frac{1}{4} B$

So we need to calculate how much this brother takes in terms of B.

To do this we calculate how much $\frac{1}{12} B + \frac{1}{6} B + \frac{1}{4} B$ is.

Step 2:

To add $\frac{1}{12} B + \frac{1}{6} B + \frac{1}{4} B$ ,

First take the LCM of the denominators 12, 6, and 4

The LCM is 12, we multiply the denominator to get the LCM value, this same value is multiplied to the numerator too.

$\frac{1}{12} B + \frac{1}{6} B + \frac{1}{4} B = \frac{1(1)}{12(1)} B + \frac{1(2)}{6(2)} B + \frac{1(3)}{4(3)} B \\\\\frac{1}{12} B + \frac{1}{6} B + \frac{1}{4} B= \frac{1B +2B+3B}{12} = \frac{B}{2}$