3 years ago

Which ordered pair is a solution of the equation?

Mathematics

1 answer:

uysha [10]3 years ago

5 0

Only b

apply -1 to x and it will give you y=-5

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Which ordered pair is a solution to the system of linear equation? 2x+ 3y=6 <br> -3x+5y=10

allochka39001 [22]

Answer:

Step-by-step explanation:

2x + 3y = 6________( 1 )

-3x + 5y = 10_______( 2 )

( 1 ) × 3 ---- 6x + 9y = 18_____( 3 )

( 2 ) × 2 ---- -6x + 10y = 20_____( 4 )

$(4) + (3) \\ 6x + 9y + ( - 6x + 10y) = 20 - 18 \\ 6x + 9y - 6x - 10y = 2 \\ y = 2$

y = 2 ,

$2x + 3y = 6 \\ 2x + 3(2) = 2 \\ 2x + 6 = 2 \\ 2x = 2 - 6 \\ 2x = - 4 \\x = \frac{ - 4}{2} \\ x = ( - 2) \\$

6 0

2 years ago

Thank you for any help!

mash [69]

The answer is D

0 is not less than or equal to -4, and in the second equation, 0 is greater than -1

3 0

3 years ago

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Write an equation for a line perpendicular to y=4x−3 and passing through the point (4,1)

Darya [45]

y=4x-3(4,1)x2 (2-0) perpedkdkke

4 0

3 years ago

If a/b = c/d, then ad = bc.

Nikolay [14]

Answer:

The statement is true

see the explanation

Step-by-step explanation:

we have the proportion

$\frac{a}{b}=\frac{c}{d}$

we know that

To solve the proportion multiply in cross

$(a)(d)=(b)(c)$

$ad=bc$

therefore

The statement is true

7 0

3 years ago

Find the measure of the angle indicated in bold

11Alexandr11 [23.1K]

The answer is 50.

i came to this conclusion when using this equation: 15x+5=2+16x
for x, i got 3.

using my x-value, i replace “x” with “3” when solving angle measure, “15(3)+5”

15(3)+5= 50
there is your answer!

4 0

3 years ago