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nlexa [21]
2 years ago
9

Can someone please help explain how to do this. Solve the inequality: 4 - x < 9

Mathematics
2 answers:
ladessa [460]2 years ago
6 0

Answer:

x > -5

Step-by-step explanation:

4-x < 9

-x < 9-4

-x < 5

x > -5

wariber [46]2 years ago
6 0

Answer:

x>-5

Step-by-step explanation:

  1. 4-x<9
  2. -x<9-4
  3. -x<5
  4. -x/-1>5/-1
  5. x>-5
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Please help me with these questions
Scrat [10]

3. Answer: y = 4

<u>Step-by-step explanation:</u>

Need to find the slope (m):

  \dfrac{y_2-y_1}{x_2-x_1}

  \dfrac{4 - 4}{-3-1}

= \dfrac{0}{-4}

= 0

Now input ONE of the points (1, 4) and the slope (m = 0) into the Point-Slope formula:

y - y₁ = m(x - x₁)

y - 4 = 0(x - 1)

y - 4 = 0

y      = 4

********************************************************************

4. Answer: \bold{y = \dfrac{2}{3}x + 3}

<u>Step-by-step explanation:</u>

 y - y_1 = m(x - x_1)

 y - 1 = \dfrac{2}{3}(x - (-3))

 y - 1 = \dfrac{2}{3}(x + 3)

 y - 1 = \dfrac{2}{3}x + 2

 y = \dfrac{2}{3}x + 3


3 0
3 years ago
The image of a parabolic mirror is sketched on a graph. The image can be represented using the function y = x2 + 2, where x repr
Nadusha1986 [10]

Answer:

The image can be represented using the function y = x2 + 2, where x represents the horizontal distance from the maximum depth of the mirror and y represents the depth of the mirror as measured from the x-axis. How far ...

Step-by-step explanation:

The image can be represented using the function y = x2 + 2, where x represents the horizontal distance from the maximum depth of the mirror and y represents the depth of the mirror as measured from the x-axis. How far ...

3 0
3 years ago
Use the distributive property to remove the parentheses.
kifflom [539]

Answer:

10x + 8y - 2

Step-by-step explanation:

-2(-5x – 4y+1) \\  \\  = ( - 2)( - 5x)  -  2 ( -  4y) - 2 \times 1 \\  \\  = 10x + 8y - 2

3 0
3 years ago
−<br> 1<br> 4<br> (<br> −<br> 8<br> x<br> +<br> 12<br> y
lawyer [7]

Answer:

I am assuming the question is

-14(-8×12y)

112-168y

Step-by-step explanation:

you have to expand the brackets first.

then you can't do anything after expanding the brackets because they are not like terms

hope this was helpful

8 0
2 years ago
The perimeter of the rectangle below is 84 units. Find the length of side VW.
Anestetic [448]

Answer:

18.

Step-by-step explanation:

1) formula of the perimeter given in the condition is:

p=2(VW+XV) or p=2(VY+XY).

Note, VW=XY and XV=VY;

2) if to substitute p=84, VW=2z+2 and XV=3z into the formula above, then

2(2z+2+3z)=84, ⇔ 5z+2=42; ⇒ z=8.

3) if z=8, then VW=2z+2=2*8+2=18.

8 0
2 years ago
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