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3 years ago

Simplify the expression 11x + 9 - 7 =

Mathematics

1 answer:

DochEvi [55]3 years ago

4 0

Answer:

11x+2=

Step-by-step explanation:

Simply combine the like terms. Since 9 and -7 are like terms you can combine them, 9-7=2

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Answer:

option C

$f(x)=-\sqrt{x+3}+8$

Step-by-step explanation:

we have

$f(x)=-2\sqrt{x-3}+8$

using a graphing tool

see the attached figure N $1$

The range is the interval--------> (-∞,8]

$y\leq 8$

case A) $f(x)=\sqrt{x-3}-8$

using a graphing tool

The range is the interval--------> [-8,∞)

$y\geq -8$

case B) $f(x)=\sqrt{x-3}+8$

using a graphing tool

The range is the interval--------> [8,∞)

$y\geq 8$

case C) $f(x)=-\sqrt{x+3}+8$

using a graphing tool

The range is the interval--------> (-∞,8]

$y\leq 8$

case D) $f(x)=-\sqrt{x-3}-8$

using a graphing tool

The range is the interval--------> (-∞,-8]

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4 years ago

Solve for x<br> 4r – 9 – 6x = 21

ehidna [41]

Answer:

X= 30-4r/-6

Step-by-step explanation:

1. Move the 9 to the other side. (21+9=30)

2. subtract the 4r and move it to the other side (-6x=21-4r)

3. divide both sides by -6

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3 years ago

Simplify the expression 11x + 9 - 7 = ​

Simplify the expression 11x + 9 - 7 =