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3 years ago

Which statements are true about the ordered pair (−4, 0) and the system of equations? {2x+y=−8x−y=−4

1 answer:

8 0

<span>Selections (a, b, d) are the most correct answers. To begin, 2x is equal to -8 when x is (-4). Adding 0 to this (for y) gives -8, which is the answer for the first equation. Doing the same for the second equation gives (-4 - 0) = -4, which shows that the second equation is also correct. Since both equations are satisfied by this ordered pair, it shows that the pair (-4,0) is a solution to the entire system.</span>

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Plz plz plz this is due today and I really need help

nekit [7.7K]

Answer:

The y-intercept is (0, 34).

I used Demos graphing calculator and included an image of what values I put in.

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3 years ago

Claire is 2 year younger than her sister. The

natta225 [31]

Given:

Claire is 2 year younger than her sister.

The sum of ages is no less than 44 years.

To find:

Inequality and find the youngest age Claire can be.

Solution:

Let the age of Claire be x.

Her sister's age = x+2

Sum of their ages is no less than 44 years. It means the sum ages is greater than or equal to 44.

$x+(x+2)\geq 44$

$2x+2\geq 44$

$2x\geq 44-2$

$2x\geq 42$

Divide both sides by 2.

$x\geq 21$

It means, Claire age can be greater than or equal to 21. So, the youngest age Claire can be 21 years old.

Therefore, the required inequality is $2x+2\geq 44$ and the correct option is B.

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3 years ago

Is the relationship shown by the data linear? x -9, -5, -1, 3 y -2,-7,-12, -17

Temka [501]

x y
------ -----
-9 -2
-5 -7
-1 -12
3 -17

ur x's all have a difference of 4, and ur y's all have a difference of -5...so yes, this is linear with a slope of (-7+2) / (-5 + 9) = -5/4

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3 years ago

Multiply c by 9, then add 2 to the result

Novosadov [1.4K]

Answer:

9c+2

Step-by-step explanation:

6 0

3 years ago

Although the numbers are not included on either axis, it is possible to determine from shape and location that the equation y =

e-lub [12.9K]

It looks like your question is incomplete. I believe you also have options to pick which graph is correct. However, I can still give you the information you are looking for.

The slope of the line is -1.2

The Y-intersect is (0, 4)

I have also attached an image of what the graph would look like.

Hope this helps.

3 0

3 years ago