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cupoosta [38]
3 years ago
14

Match each absolute value sentence with its equivalent compound sentence

Mathematics
1 answer:
Anestetic [448]3 years ago
7 0
1. | x - 5 | = 4
    x - 5 = 4 or x - 5 = -4

2. | x - 5 | < 4
    -4 < x - 5 < 4

3. | x - 5 | > 4
    x - 5 > 4 or x - 5 < -4

4. | 2x + 3 | < 8
    -8 < 2x + 3 < 8

5. | 2x + 3 | > 8
    2x + 3 > 8 or 2x + 3 < -8
    
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Solve for x<br> 1 7 1<br> 2<br> х<br> Your answer
ki77a [65]

Answer:

x = 4

Step-by-step explanation:

3x -5 = -2 + 9

-2 + 9 = 7 so now its 3x - 5 = 7

add 5 to the -5 so it cancels itself out. then add the 5 to 7 so it become 12. the you have 3x = 12

divide 12 ÷ 3 = 4

x = 4

8 0
3 years ago
Read 2 more answers
Please help!
Marat540 [252]

Answer:

y= 3(x+5)^2 -4

5 0
3 years ago
Cual es la sustitución de x/2+3=7
Maslowich

Answer:

conio

Step-by-step explanation:

5 0
3 years ago
13
Cerrena [4.2K]

Answer:

<h2>2x-10 = 65-x</h2><h2 />

Step-by-step explanation:

just add up both alternate internal angles as they are both equal

so, the equation is: 2x-10 = 65-x

7 0
3 years ago
Read 2 more answers
Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h = ?16t + 160t + 12
insens350 [35]

Answer:

The time taken for the flare to hit the ground is approximately 10.7 seconds.

Step-by-step explanation:

Given : Suppose a flare is shot from the top of a 120 foot building at a speed of 160 feet per second. The equation h =- 16t^2+ 160t + 120 models the h height at t seconds of the flare.

To find : How long will it take for the flare to hit the ground?

Solution :

The equation  h =- 16t^2+ 160t + 120 models the h height at t seconds of the flare.

The flare to hit the ground when h=0.

Substitute in the equation,

-16t^2+ 160t + 120=0

Applying quadratic formula, x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

Where, a=-16, b=160 and c=120

x=\frac{-160\pm\sqrt{160^2-4(-16)(120)}}{2(-16)}

x=\frac{-160\pm\sqrt{33280}}{-32}

x=\frac{-160\pm 182.42}{-32}

x=\frac{-160+182.42}{-32},\frac{-160-182.42}{-32}

x=−0.70,10.70

Reject the negative value.

Therefore, the time taken for the flare to hit the ground is approximately 10.7 seconds.

4 0
3 years ago
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