The mapping diagram shows a relation. What is the domain of the relation

Mathematics

2 answers:

kramer3 years ago

5 0

Instead of simply speaking navajo what did the code talkers create

Elenna [48]3 years ago

3 0

Answer:

Step-by-step explanation:

i think its b

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What is the value of n in the equation –(2n + 4) + 6 = –9 + 4(2n + 1)?<br><br> n =

a_sh-v [17]

Answer:

The final result is: n = 7/10 or n = 0.7.

I think

3 0

3 years ago

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What is the equation of the axis of symmetry of the graph of y + 3x – 6 = –3(x – 2)2 + 4?

never [62]

Axis of symmetry = -b/2a
y + 3x - 6 = -3(x-2)² + 4
y + 3x - 6 = -3 ( x²-4x+4) + 4
y + 3x - 6 = -3x² + 12x -12 + 4
y + 3x - 6 = -3x² + 12x -8
y = -3x² + 12x - 3x -8 + 6
y = -3x² + 9x -2
(a=-3, b=9, c=-2)
Axis of symmetry = -b/2a = -9/2(-3) = -9 / -6 = -3 / -2 = 3/2
Hence, option A) x=3/2 is the correct answer.

4 0

2 years ago

Can someone answer these? 2(4x+5)=8x+10<br>and<br>2(4v-9)-(3v-11)=-52

Irina18 [472]

For the first one, we will have to factor out the numbers. So 2 times 4x is 8x and 2 times 5 is 10. Our new expression will now be 8x + 10 = 8x + 10. Now, since these are equal, x must equal 1.

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2 years ago

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I need this ASAP PLS HELP

nikdorinn [45]

Answer:

8.0

Step-by-step explanation:

The attached shows guesses until we have an answer accurate to 6 decimal places. Rounded to 1 decimal place, the answer is 8.0 years.

This (8 years) was our initial guess, based on the "rule of 72" which says the doubling time for 9% interest is 72/9 = 8 years.

Our second guess, at 8.1, was farther away from the doubled value, so the first guess at 8.0 is closer.

t = 8.0