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3 years ago

In function for every input there is exactly one output

Mathematics

1 answer:

Lapatulllka [165]3 years ago

5 0

Answer:

It should be true, because without an output or input it would be an alien device that doesn't need any energy to work, making it true, also i dont really know if its true

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2. Use the following picture for this question:

Art [367]

Answer:

a. $24\sqrt{3}$ and 41.6

b. 52.1

Step-by-step explanation:

Considering the left side triangle the blue dotted side is the side "opposite" to the angle given and the side 24 is the side that is "adjacent" to the angle given. The trigonometric ratio tan relates opposite to adjacent. Also, let the blue dotted side be y.

<u>Note:</u> the exact value of tan 60 is $\sqrt{3}$

Thus, we can write $Tan(60)=\frac{y}{24}\\y=24*Tan(60)\\y=24*\sqrt{3} \\y=24\sqrt{3}$

Approximate value (rounded to nearest tenth): $24\sqrt{3} =41.6$

Considering the triangle to the right, the side "opposite" to the angle given (53 degrees) is 41.6 (just found in part (a)) and the side "hypotenuse" (side opposite to 90 degree angle) is x. The trigonometric ratio sine relates opposite and hypotenuse.

Thus we can write and solve:

$Sin(53)=\frac{41.6}{x}\\x=\frac{41.6}{Sin(53)}=52.1$

4 0

3 years ago

Write down the equation of a line whose slope is -7 and crosses the y-axis at 7. Express in slope-intercept form.

Gre4nikov [31]

Answer:

y= -7x+7

Step-by-step explanation:

y= mx+b

y= slope x+ y intercept

7 0

3 years ago

A lock has two buttons: a "0" button and a "1" button.To open a door you need to push the buttons according to a preset 8-bit se

ratelena [41]

Answer:

Step-by-step explanation:

The problem relates to filling 8 vacant positions by either 0 or 1

each position can be filled by 2 ways so no of permutation

= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2

= 256

b )

Probability of opening of lock in first arbitrary attempt

= 1 / 256

c ) If first fails , there are remaining 255 permutations , so

probability of opening the lock in second arbitrary attempt

= 1 / 255 .

7 0

3 years ago

Help pls pls plss!!! asap

alekssr [168]

Step-by-step explanation:

angle 1=180-(90+58)

=180-148

=32

angle1=angle2=32

angle3=180-(108+32)

=180-140

=40°

7 0

3 years ago

When solving a system of two linear equations algebraically, how can you tell if the system has exactly one solution?

Artyom0805 [142]

Answer:

ther will be exactly one value. the answer is b

4 0

3 years ago