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2 years ago

15) An arena has 49 000 seots that sell for

Mathematics

1 answer:

skelet666 [1.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

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HELP. I NEEEED HELP. THANK YOU.

rodikova [14]

Answer:

The slope is 1/2

Step-by-step explanation:

If you watch where each dot landes, it's half of each y number. The sodas cost $0.50 which is half of 1.

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2 years ago

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Use a flowchart to prove if the triangles in each pair are congruent. NO LINKS!!!!

valentinak56 [21]

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Answer:

see attached

Step-by-step explanation:

It isn't clear what is supposed to go in the various blanks. We have elected to identify the corresponding congruent parts, and name the congruent triangles. The postulate supporting the conclusion is also shown.

In most cases, corresponding parts are marked congruent. The exception is the vertical angles in figure 22.

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2 years ago

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Find m∠BAC and m∠DAB in the figure shown below.

masha68 [24]

$\angle BAC=\angle DAE=80^{\circ}\\
\angle DAB=180-\angle BAC=180-80=100^{\circ}$

8 0

3 years ago

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Which function has an inverse function?

daser333 [38]

Answer: Option B

Step-by-step explanation:

By definition, only those functions that are one to one have an inverse function.

A function is one by one if there are not two different input values, $x_1$ and $x_2$ , that have the same output value y

Note that the function $f(x)= \frac{|x+3|}{5}$ is not a one-to-one function

When x=2 $f(x)= \frac{|2+3|}{5}=1\ ,\ \ y=1$

When x=8 $f(x)= \frac{|-8+3|}{5}=1\ \ ,\ y=1$

Note that the function $f(x)= \frac{x^4}{7}+ 27$ is not a one-to-one function

When x=1 $f(x)= \frac{(1)^4}{7}+27\ ,\ \ y=\frac{190}{7}$

When x=-1 $f(x)= \frac{(-1)^4}{7}+27\ ,\ \ y=\frac{190}{7}$

Note that the function $f(x)= \frac{1}{x^2}$ is not a one-to-one function

When x=1 $f(x)= \frac{1}{(1)^2}\ ,\ \ y=1$

When x=-1 $f(x)= \frac{1}{(-1)^2}\ ,\ \ y=1$

Then the answer is the option B.

You can verify that The function $f (x) = x ^ 5-3$ is a one-to-one function and therefore its inverse is a function

5 0

3 years ago

Need Help

masya89 [10]

So you subtract $22.89 from $54.73 to get a total of $31.84 and that’s how much the customer paid.

6 0

3 years ago