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DENIUS [597]
3 years ago
11

Try This question and I’ll give you brainliest

Mathematics
2 answers:
Amanda [17]3 years ago
6 0

Answer:

3

Step-by-step explanation:

We want to cancel out the 3y.  The second equation has a -y so if we multiply that by 3 we'll get -3y and when we add the ys go away.

rewona [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Answer:

Multiply the 2nd row by 3.

Step-by-step explanation:

Multiply the second row by 3.  Then we have:

2x + 3y = 18

21x - 3y  = 30

Now, if we combine these two equations, y will disappear and we'll have:

23x = 48, so that

x = 48/23.

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lana66690 [7]

The range of a function is the set of output values of the function

The range of the function is: {15, 6, 4, 0}

<h3>How to determine the range</h3>

The function is defined as:

(x,y) =  {(0, 15), (4, 6), (6, 4), (8, 0)}

The range is the y-values.

So, we have:

y = {15, 6, 4, 0}

Hence, the range of the function is: {15, 6, 4, 0}

Read more about range at:

brainly.com/question/1770447

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2 years ago
Dwayne wrote a two-digit number. He multiplied it by 3, added 18, and divided by 8. His final answer was 9. What number did Duwa
Karolina [17]
Question 1:
(x*3)+18/8=9    is the equation
(x*3)+18=72     multiply by 8
(x*3)=54           Subtract 18
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Question 2:
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8 0
3 years ago
Please help with last 2 domain and range
Strike441 [17]

Answer:

See below for answers and explanations

Step-by-step explanation:

Top left: Since y can't be greater than 0 but is equal to 0, then the range is (-∞,0] and the domain is (-∞,∞) since there are no domain restrictions

Top right: Since both x and y have no restrictions, then the domain is (-∞,∞) and the range is (-∞,∞)

Bottom left: Since y cannot be less than 2 but equal to it, and x holds no domain restrictions, then the domain is (-∞,∞) and the range is [2,∞)

Bottom right: Since both x and y have no restrictions, then the domain is (-∞,∞) and the range is (-∞,∞)

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3 years ago
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It’s c your welcome make me Brainly
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3 years ago
a plumber charges $52.50 per hour plus a $75.00 service charge your father's firm hires him to fix some leaky pipes find the tot
aleksley [76]

(4.5 x 52.5) + 75 = 311.25

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3 years ago
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