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Feliz [49]
3 years ago
15

Which inequality's graph will have a dashed boundary line? x + 7y > 3 7x + y ≤ 3 6x − 5y ≥ 4 y − x ≤ 3 NextReset

Mathematics
1 answer:
ANEK [815]3 years ago
6 0
The answer for this question would be <span>x + 7y > 3. You can figure this out because it is GREATER THAN. If it was greater than or equal to then the line would be solid (same with less than or equal to).</span>
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PLEASE HELP ME!!!!!!!
AnnyKZ [126]

Answer: its not showing up

Step-by-step explanation:

5 0
3 years ago
(y* - 5)(yx + 5)<br> please help
Nina [5.8K]

Answer:

Simplified the expression.

y2x+5y−5yx−25  

I think this is what were were asking, if not please explain better.

Hope this helps :D

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7 0
3 years ago
Create the f(x) function based on the table. Your answer should be in function notation. X f(x) - 10 -6 -9 -5 1-8 -4 -7 1-3 5 9​
Minchanka [31]

Answer:

f(x) = x + 4

Step-by-step explanation:

First create an equation in slope-intercept form, y = mx + b. To do this, find the rate of change or slope (m), and the y-intercept (b).

Using two pairs, (-7, -3) and (-8, -4),

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{-4 -(-3)}{-8 -(-7)} = \frac{-1}{-1} = 1

m = 1

To find b, substitute m = 1, x = -7 and y = -3 into y = mx + b.

Thus:

-3 = (1)(-7) + b

-3 = -7 + b

-3 + 7 = b

4 = b

b = 4.

Replace y with f(x), m with 1 and b with 4 in y = mx + b.

The function would be:

f(x) = x + 4

6 0
3 years ago
Is (x+4)^2equivalent to 2x^2+8x+8
Mashcka [7]

Answer:

(x+4)^{2} = x^{2}+8x+16

Step-by-step explanation:

5 0
3 years ago
What is the value of x+y?<br><br> Eight grade math
atroni [7]

Hello! The value of x+y is 12

Make sure to read an explanation so you can understand the solution better.

Any questions about the answer and explanation can be asked through comments.

Step-by-step explanation:

We can simply solve the system of equations by substituting x = 3y in the first equation

\large{2x + 2y = 24} \\  \large{2(3y) + 2y = 24} \\  \large{6y + 2y = 24} \\  \large{8y = 24} \\  \large{y = 3}

Therefore, the value of y is 3. Then we substitute the value of y in x = 3y.

\large{x = 3y} \\  \large{x = 3(3)} \\  \large{x = 9}

Therefore, the value of x is 9.

Since you want to find x+y, simply add 9 and 3 as we get 12.

Therefore x+y = 12.

6 0
2 years ago
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