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3 years ago

The difference between 22 and x

Mathematics

1 answer:

lukranit [14]3 years ago

3 0

Answer:

22-x

Step-by-step explanation:

you dont know what x is, so you would just do 22-x

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Answer:

72ft^2

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3 years ago

Sebastian answered 30 questions correctly on his multiple choice

umka2103 [35]

Answer:

50percent

Step-by-step explanation:

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3 years ago

Find the area of this triangular prism.

Salsk061 [2.6K]

990cm of surface area
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4 0

3 years ago

What is the equation of a line that is parallel to x=7/5x+6 and that passes through the point (2,-6)

const2013 [10]

The answer is below
we're given
$y = \frac{7}{5} x + 6$
we need to convert to point slope form with our slope and point given
point slope form is
$y - y1 = m(x - x1)$
so we fill in slope and our point

$y + 6 = \frac{7}{5} (x - 2)$
we simplify the left side and get
$y + 6 = \frac{7}{5} x - \frac{14}{5}$
then we subtract 6 from the left and get
this as our final answer
$y = \frac{7}{5} x - \frac{44}{5}$

3 0

3 years ago

Solve by completing the square

natima [27]

Answer:

see explanation

Step-by-step explanation:

Given

x² + 10x + 14 = - 7 ( subtract 14 from both sides )

x² + 10x = - 21

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(5)x + 25 = - 21 + 25

(x + 5)² = 4 ( take the square root of both sides )

x + 5 = ± 2 ( subtract 5 from both sides )

x = - 5 ± 2

x = - 5 - 2 = - 7, or x = - 5 + 2 = - 3

-------------------------------------------------

The equation can also be solved by factoring

x² + 10x + 14 = - 7 ( add 7 to both sides )

x² + 10x + 21 = 0 ← in standard form

(x + 7)(x + 3) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 7 = 0 ⇒ x = - 7

x + 3 = 0 ⇒ x = - 3

5 0

4 years ago