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jasenka [17]
3 years ago
5

Which ordered pair in the form (x, y) is a solution of this equation?

Mathematics
1 answer:
laiz [17]3 years ago
6 0

Answer:

Substitute the x and y values from the ordered pairs into the equation, one by one, until both sides of the equation are equal.

Step-by-step explanation:

A. (-2,-3)

3 * (-2) - 4 * (-3) = 21

-6 + 12 = 21

6 = 21 <u>not equal</u>

B. (0,7)

3 * 0 - 4 * 7 = 21

0 - 28 = 21

- 28 = 21 <u>n</u><u>o</u><u>t</u><u> </u><u>e</u><u>q</u><u>u</u><u>a</u><u>l</u>

C. (7,0)

3 * 7 - 4 * 0 = 21

21 - 0 = 21

21 = 21 <u>equal</u>

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Write the equation of a line containing the point (-4, 6) and parallel to 3x - 2y =8.
Katyanochek1 [597]
3x -2y=8
Y= 3/2 x- 4
Hence slope is 3/2
The line d (for example) is parallel to this line the slope of d = slope of this line = 3\2
Then equation of d : y =3/2 x - b
The point (-4,6) belongs to d
Y - 6 = 3/2 (x +4)
Y= 3/2 x + 6 +6
Y= 3/2x +12


Then the equation is : Y= 3/2x +12
7 0
4 years ago
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Natalija [7]
M>5=m>4
m>5 and m>7 are on line then m>5+m>7=180
by substituting
m>4+37=180
m>4=143
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3 years ago
How I can answer this question, NO LINKS, If you answer correctly I will give u brainliest!
luda_lava [24]

Step-by-step explanation:

<h3>Answer:</h3>

\frac{3 {}^{6} }{3 {}^{4} }

3 from the numerator was multiplied six times, and 3 from the denominator is multiplied 4 times. The small number at the top right (which is the exponent) of the 3 is how much the number is repeated.

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3 years ago
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the sum of three consecutive numbers is five times the difference of the middle number and 22. find the numbers.
adelina 88 [10]

Let <em>n</em> be the smallest of the three numbers. Then

<em>n</em> + (<em>n</em> + 1) + (<em>n</em> + 2) = 5 ((<em>n</em> + 1) - 22)

Solve for <em>n</em> :

3<em>n</em> + 3 = 5 (<em>n</em> - 21)

3<em>n</em> + 3 = 5<em>n</em> - 105

2<em>n</em> = 108

<em>n</em> = 54

Then the three numbers are 54, 55, and 56.

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3 years ago
Please help me understand and do this, many thanks in advance.
Sladkaya [172]

Answer:

59

Step-by-step explanation:

23 = x = total angle which is 82

so x =82-23

=59

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3 years ago
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