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3 years ago

Plz help me and answer!

Mathematics

2 answers:

gavmur [86]3 years ago

8 0

Answer:

The answer is (3,4).

Step-by-step explanation:

In order for this to be a function, you cannot repeat your x values. All of the answers repeat the x values.

*hope this helps!*

Yuri [45]3 years ago

4 0

Answer:

(3,4)

Step-by-step explanation:

A function can't have the x repeat so the only possible answer is (3,4)

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The lowest elevation in Lammefjord, Denmark, is 23 feet below sea level. The elevation of the Sea of Galilee in Israel is about

tatyana61 [14]

Answer:

$Sea\ of\ Galilee = -690ft$

Step-by-step explanation:

Given

$Lowest\ Elevation = 23ft$ below sea level

Sea of Galilee = 30 times Lowest in Lammefjord, Denmark

Required

Determine the elevation of the Sea of Galilee

We have that the lowest elevation in Lammefjord is:

$Lowest\ Elevation = -23ft$

It is negative because, the elevation is below sea level.

Calculating the elevation of Sea of Galilee, we have:

Sea of Galilee = 30 times Lowest in Lammefjord, Denmark

$Sea\ of\ Galilee = 30 * -23ft$

$Sea\ of\ Galilee = -690ft$

<em>Hence, the elevation of Sea of Galilee is -690ft or 690ft below sea level</em>

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3 years ago

Move point b some more as you move point b the angle formed between ab and cd varies if you want to make an perpendicular to cd

dybincka [34]

Answer:

Following are the response to the given question:

Step-by-step explanation:

Move b a bit further if the angle between cd and ab changes when you move b if you want to make a perpendicular point to cd The angle BEC is 90 ° for making the AB line perpendicular to the line CD to transfer point B to the angle between the two lines.

8 0

3 years ago

A woman walks due west on the deck of a ship at 3 mi/h. The ship is moving north at a speed of 22 mi/h. Find the speed and direc

Minchanka [31]

Answer: The speed is 22.2 mi/hr and woman is 8° north relative to the surface of the water.

Step-by-step explanation:

Since we have given that

Speed at which woman walks due west = 3 mi/hr

Speed at which ship moving due north = 22 mi/hr

Now it forms "Pythagorus theorem":

So, it becomes,

$H^2=B^2+P^2\\\\H^2=3^2+22^2\\\\H^2=9+484\\\\H^2=493\\\\H=\sqrt{493}\\H=22.20\ mi/hr$

And the direction of the woman relative to the surface of the water is given by

$\theta=\sin^{-1}x(\dfrac{3}{22.2})=7.76\approx 8^\circ$

Hence, the speed is 22.2 mi/hr and woman is 8° north relative to the surface of the water.

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3 years ago

If R is the midpoint of QS, QR= 8x-51 and RS = 3x-6, find QS.

sashaice [31]

QS would be 42. So the way i did it was I:

8x-51=3x-6

x=9

Plugged into both equations of QR and RS to then get the answer of 42

7 0

3 years ago

Read 2 more answers

Simplify the expression, only odds 9-17

Elodia [21]

All exercises involve the same concept, so I'll show you how to do the first, then you can apply the exact same logic to all the others.

The first thing you need to know is that, when a certain quantity multiplies a parenthesis, you can distribute that number to every element in the parenthesis. This means that

$a(b+c) = ab+ac$

So, $a$ is multiplying the parenthesis involving $b$ and $c$ , and we distributed it: $a$ multiplies both $b$ and $c$ in the final result.

Secondly, you have to know how to recognize like terms, because they are the only terms you can sum. Two terms can be summed if they have the same literal expression. So, for example, you cannot sum $3x+2y$ , and neither $5x^2-4x$ exponents count.