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3 years ago

Does this relationship represent a function?

Mathematics

2 answers:

guapka [62]3 years ago

4 0

Answer:

i think that the correct answer would be Yes

Step-by-step explanation:

hope this helps

i am so sorry if this is the wrong answer

Artist 52 [7]3 years ago

3 0

Answer:

Yes, it is a function............

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If x2=18x+y and y2=18y+x, then find the value of root

mezya [45]

Answer:

$\sqrt{x^2+y^2+1}=18$

Step-by-step explanation:

We are given:

$x^2=18x+y\qquad\qquad[1]$

$y^2=18y+x\qquad\qquad[2]$

Subtracting [1] and [2]:

$x^2-y^2=18x+y-(18y+x)$

Operating:

$x^2-y^2=18x+y-18y-x$

Recall:

$x^2-y^2=(x-y)(x+y)$

Substituting:

$(x-y)(x+y)=18x+y-18y-x$

Rearranging:

$(x-y)(x+y)=18x-18y-(x-y)$

$(x-y)(x+y)=18(x-y)-(x-y)$

Dividing by x-y (recall x≠y):

$x+y=18-1=17$

$x+y=17\qquad[3]$

Now we add [1] and [2]:

$x^2+y^2=18x+y+18y+x$

Rearranging:

$x^2+y^2=18x+18y+x+y$

$x^2+y^2=18(x+y)+(x+y)$

$x^2+y^2=19(x+y)$

Substituting from [3]

$x^2+y^2=19*17=323$

Adding 1:

$x^2+y^2+1=324$

Taking the square root:

$\sqrt{x^2+y^2+1}=\sqrt{324}=18$

Thus:

$\mathbf{\sqrt{x^2+y^2+1}=18}$

3 0

3 years ago

I need to determine the ratio of this

MakcuM [25]

Answer:

Step-by-step explanation:

what r the measurements?

8 0

4 years ago

Read 2 more answers

Of the customers who enter a store for stereo speakers, only 24% make purchases. if 38 customers enter the showroom tomorrow, fi

notsponge [240]

24% of 38 = (1 - 24/100) × 38 = 28,88 = 29

24 % ←→ 29
x% ←→ 10

x = 10 × 24 ÷ 29
x = 8,27586
x = 8 %

ANSWER 8%

6 0

3 years ago

You have 3/4 of a pie leftover after your party. Each guest takes home 1/6 of the leftover pie.

sesenic [268]

Hi there! This is simple multiplication. 3/4*1/6=3/24. 3/24 simplified is 1/8. Therefore, the answer is D) 1/8 of a pie.

4 0

3 years ago

The value of the digit 5 in 24,513 is how many times the value of the 5 in 357?

olchik [2.2K]

24,513 500
357 50
500/50 = 10
10 times greater

4 0

3 years ago