3 years ago

Tell whether (3,5) is a solution of y = 5x – 10.

Mathematics

2 answers:

Ivanshal [37]3 years ago

6 0

Answer:

yes it is

Step-by-step explanation:

plug x and y in

3 * 5 - 10 = 5 <== And this is true

julsineya [31]3 years ago

3 0

Answer:

The answer would be yes.

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Find the value of y so that (-2,y) satisfies y =-7x?

Anit [1.1K]

Answer:

y=14

Step-by-step explanation:

plug in -2 in the place of x

y=-7(-2) y=14

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3 years ago

What is 3 and 3/8 times 4 and 1/3=

irakobra [83]

The answer is 117/8 and that is simplified decimal form is. 14.625 First the left fraction 3 x 8=24+3=27 so it is 27/8 Then the right 4 x 3=12+1=13 27 x 13=351 8 x 3=24 351/24

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3 years ago

What is the x-coordinate of the solution of the system? x+y+3 4x-y=-38

steposvetlana [31]

Note: I am assuming the first equation is:

x+y = 3

Answer:

The solution to the system of equations is:

(x, y) = (-2, 36)

Therefore, the x-coordinate of the solution of the system

x = -2

Step-by-step explanation:

Given the system of equations

$\begin{bmatrix}x+y=34\\ x-y=-38\end{bmatrix}$

subtracting the equations

$x-y=-38$

$-$

$\underline{x+y=34}$

$-2y=-72$

solve -2y for y

$-2y=-72$

Divide both sides by -2

$\frac{-2y}{-2}=\frac{-72}{-2}$

$y=36$

For x+y=34 plug in y = 36

$x+36=34$

Subtract 36 from both sides

$x+36-36=34-36$

Simplify

$x=-2$

Thus, the solution to the system of equations is:

(x, y) = (-2, 36)

Therefore, the x-coordinate of the solution of the system

x = -2

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3 years ago

PLEASE SOLVE!! n/5+0.6=2

VladimirAG [237]

N equals 7. you need to subtract 0.6 from both sides and then multiply both sides by 5 to get the answer

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3 years ago

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larisa [96]

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3 years ago