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Rufina [12.5K]
3 years ago
5

Help please hekfkdnr

Mathematics
1 answer:
mamaluj [8]3 years ago
5 0

Answer:

first one is -16

second is -4

I'm what the third is

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Solve the following inequality algebraically.<br><br> ∣x+7∣≤8
AlekseyPX

Answer:

x ≤ 1 and x ≥ −15

Step-by-step explanation:

<u>Solving Absolute Value</u>

  • We know that x + 7 ≤ 8 or x + 7 ≥ -8

<u>Condition 1:</u>

Step 1: Subtract 7 from both sides.

  • x + 7 - 7\leq 8 - 7
  • x\leq 1

<u>Condition 2:</u>

Step 1: Subtract 7 from both sides.

  • x + 7 - 7\geq -8 - 7
  • x\geq -15

Therefore, the answer is x ≤ 1 and x ≥ -15.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

<u></u>

4 0
3 years ago
If y=2-3x/x+3 express x in terms of y<br> [20pts]
ollegr [7]

Answer:

  a. x = (2 -3y)/(y+3)

  b. x = -4/5

Step-by-step explanation:

<h3>a.</h3>

Clear the fraction, collect x terms, divide by the coefficient of x.

  y=\dfrac{2-3x}{x+3}\\\\y(x+3)=2-3x\\\\3x+xy=2-3y\qquad\text{add $3x-3y$}\\\\x(y+3)=2-3y\qquad\text{factor out x}\\\\\boxed{x=\dfrac{2-3y}{y+3}}\qquad\text{divide by the coefficient of x}

__

<h3>b.</h3>

Put 2 where y is and do the arithmetic.

  x = (2 -3(2))/(2 +3) = (2 -6)/5

  x = -4/5

6 0
3 years ago
AD¯¯¯¯¯ ​ , BD¯¯¯¯¯ , and CD¯¯¯¯¯ are angle bisectors of the vertex angles of △ABC . BE=12 meters and BD=20 meters.
Romashka-Z-Leto [24]

Answer:

10

Step-by-step explanation: 20/2

3 0
4 years ago
consider the functions show. Explain the graph of a function its inverse are reflections over the line y = x
anastassius [24]

Answer:The ordered pairs (a,b) of a function are (b,a) for the inverse function.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A linear function is represented below.
Alex777 [14]

Answer:

y intercept = -5 &  x slope = 4

Step-by-step explanation:

To find the x-intercept of a given linear equation, plug in 0 for 'y' and solve for 'x'. To find the y-intercept, plug 0 in for 'x' and solve for 'y'. In this tutorial, you'll see how to find the x-intercept and the y-intercept for a given linear equation.

there i hopes it helps

8 0
3 years ago
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