3 years ago

Graph the solution x+y is less than or equal to 6 and x is less than or equal to 4

Mathematics

1 answer:

nignag [31]3 years ago

7 0

Answer:

Im not sure if this is the right answer but I got 4 + 6

Step-by-step explanation:

x + y

If 4 is equal to x that means x = 4.

If 6 is equal to y that means y = 6.

4 + 6.

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Pls help! Solve the equation by using quadratic formula. <br><br> -2x’2 + 4x = 5

OleMash [197]

Answer:

$x=\frac{2\pm i\sqrt{6}}{2}$

Step-by-step explanation:

$-2x^2+4x=5\\\\-2x^2+4x-5=0\\\\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\ \\x=\frac{-4\pm\sqrt{(4)^2-4(-2)(-5)}}{2(-2)}\\\\x=\frac{-4\pm\sqrt{16-40}}{-4}\\\\x=\frac{-4\pm\sqrt{-24}}{-4}\\ \\x=\frac{-4\pm2i\sqrt{6}}{-4}\\ \\x=\frac{2\pm i\sqrt{6}}{2}$

4 0

1 year ago

Find the equation of the line that passes thru (-1,-5) and is parallel to 3x+y=-5. Show work.

sertanlavr [38]

Answer:

$y=-3x-8$

Step-by-step explanation:

slope-intercept form:

$y=mx+b$

Start with the given equation, and to find the slope, convert it to slope-intercept form by solving for y.

$3x+y=-5$

In this case, all you need to do is subtract 3x from both sides.

$y=-3x-5$

Here, the slope is -3. The slope of a parallel line will also be -3.

Now, we have 3 known variables. We have the slope and the x and y of a known point. Use those 3 knowns to solve for the 1 unknown, the y-intercept.

$y=mx+b\\-5=(-3)(-1)+b\\-5=3+b\\-8=b\\b=-8$

Finally, with the slope and the y-intercept, you can write the equation of the line:

$y=-3x-8$

3 0

2 years ago

Gwen bought 3 sodas at the grocery store if each soda cost $1.85 and she paid with a twenty dollar bill how much change should s

AnnZ [28]

Answer:

14.5 hope this helps!

Step-by-step explanation:

3 times 1.85 is 5.5

20.0 - 5.5= 14.5

3 0

2 years ago

A box contains 19 large marbles and 11 small marbles. Each marble is either green or white. 6 of the large marbles are green, an

Anastaziya [24]

9 because if you subtract 11 from 19 you het 9

4 0

2 years ago

..........................

Rainbow [258]

Option A

x+8=-3
x+8-8=-3-8
x=-11

Hope I didn't mess up for your sake!

7 0

2 years ago