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2 years ago

What are the inequality solutions for 3 ≤ 3 x − 4 < 2 x + 1

Mathematics

1 answer:

krek1111 [17]2 years ago

3 0

Answer:

7/3 ≤ x < 5.

Step-by-step explanation:

3 ≤ 3 x − 4 < 2 x + 1

Split this up into 2 inequalities:

3x - 4 ≥ 3

3x ≥ 7

x ≥ 7/3.

and

3x - 4 < 2x + 1

3x - 2x < 1 + 4

x < 5.

So it's 7/3 ≤ x < 5.

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What is the y-coordinate of the solution for the system of equations? x−y=−11 y+7=−2x

ICE Princess25 [194]

Answer:

$y= 5$

Step-by-step explanation:

Given the system of equations:

$x-y=-11$

$y+7=-2x$

In order to find the y coordinate of the solution we must first find the solution to this system of equations. We first start by solving one of the given equations and then substitute the answer of that into the second equation and further solve to get the final answers.

$x=y=-11$

$y+7=-2x$

$+ -7$

$y = -2x - 7$

$x - y = -11$

$y = -2x-7$

$x-(-2x-7)=-11$

$x--2x=x+2x=3x$

$3x+7=-11$

$-7$

$-11+-7=-18$

$3x=-18$

$\div3$

$-18\div3=-6$

$x=-6$

$y=-2x-7$

$y=(-2)(-6)-7$

$-2\times-6=12-7=5$

$y=5$

Hope this helps.

7 0

1 year ago

For a confidence level of 88%, find the critical value for a normally distributed variable. The sample mean is normally distribu

Elanso [62]

Answer:

z = ± 0.772193214

Step-by-step explanation:

8 0

3 years ago

Pls help me pls pls pls

vovikov84 [41]

Answer: 1x + 2y = 4

Step-by-step explanation:

The equation of the line is y = -1/2x + 2.

First, let's make 4 on one side of the equation. First, bring x to the left. y + 1/2x = 2. Then multiply the whole equation by two. Thus, 1x + 2y = 4.

Hope it helps <3

3 0

2 years ago

Find the greatest common factor of 30 and 105.

Amanda [17]

15 because it can go in to 30 to equal 2 and 105 to equal 7

8 0

3 years ago

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Help me. pls ...............

zaharov [31]

Answer:

y-6=-7(x-3)

Step-by-step explanation:

m=y2-y1/x2-x1

m=-8-6/5-3

m=-14/2

m=-7

y-y1=m(x-x1) point slope

7 0

2 years ago