3 years ago

What does -2+2x=-x+2+x equal

Mathematics

1 answer:

larisa86 [58]3 years ago

7 0

The answer is x equals 2.

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If f(x) = x² + 7, what is the value of f(4)?

dalvyx [7]

Value of f(4) is $f(4)= 23$ given $f(x)= x^2+7$

Step-by-step explanation:

We are given $f(x)= x^2+7$ and we need to find value of f(4)

Solving:

We will put x=4 and solve the given equation:

$f(x)= x^2+7$

$f(4)= (4)^2+7$

We know (4)^2=16

$f(4)= 16+7$

$f(4)= 23$

So, Value of f(4) is $f(4)= 23$ given $f(x)= x^2+7$

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

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3 years ago

Twelve packs of paper cost $7.20. Of each pack costs the same, how much does one pack cost?

White raven [17]

Each pack costs $1.66 dollars

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3 years ago

Read 2 more answers

What is 25/30 in simplest form

Ira Lisetskai [31]

25/30 is equal to 5/6.

4 0

2 years ago

Write the equation of the line perpendicular to y= 2/5x+6/6 that passes through the point (-2,6)

Oliga [24]

The line to find: y = mx + b
the line perpendicular to y= 2/5x+6/6 so it has the slope m × 2/5 = -1
thus the slope m = -5/2
the line passes through the point (-2,6) so:
6 = (-5/2)×(-2) + b so b = 1

the equation of the line is y = -5/2x +1

3 0

3 years ago

Find three consecutive integers whose sum is 51.

Julli [10]

Answer:

16,17,18

your welcome

7 0

3 years ago