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4 years ago

HELP ASAP!!!!!!!! I don’t understand this question

Mathematics

1 answer:

USPshnik [31]4 years ago

8 0

Answer:

c) 2x⁵ + 11x³ - 5x²

Step-by-step explanation:

f(x) - g(x) = 2x⁵ + 7x³ - (-4x³ + 5x²)

= 2x⁵ + 7x³ + 4x³ - 5x²

= 2x⁵ + 11x³ - 5x²

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Anna earned a total of $660 this week. This total was $30 less than three times the amount she earned last week. How much money

GenaCL600 [577]

Step-by-step explanation:

($660-$30)*3=$1890

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3 years ago

Perform the indicated operation and simplify

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3 years ago

A Traveller changed EC $1800 to Barbados currency. Calculate the amount received

natta225 [31]

Answer:

1350 bajan dollar

Step-by-step explanation:

The exchange rate of EC dollar to Barbados currency is

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3 years ago

A+ b = 180 x + 25 5x Write the equation and solve for x.

Len [333]

Answer:

x is approximately 25.83

Step-by-step explanation:

x + 25 + 5x = 180

6x + 25 = 180

6x = 155

x=25.83

8 0

3 years ago

The line x − y = 2 is on a coordinate plane and contains EF, which is one side of square EFGH. What is the slope of the line tha

Alborosie

Answer:

The slope of FG is -1

Step-by-step explanation:

Given

Square EFGH

EF: $x - y = 2$

Required

Determine the slope of FG

First, we calculate the slope of EF

$x - y = 2$

Make y the subject

$-y = 2 - x$

$y = x -2$

The general equation has the form: $y = mx + b$

Where

$m = slope$

Compare $y = mx + b$ to $y = x -2$

$m = 1$

From the name of the square EFGH, we can conclude that EF and FG are perpendicular

The relationship between perpendicular lines is:

$m_2 = -\frac{1}{m_1}$

Where

$m_1 = m = 1$ -- Slope of EF

and

m2 = slope of FG

Substitute 1 for m1 in $m_2 = -\frac{1}{m_1}$

$m_2 = -\frac{1}{1}$

$m_2 = -1\\$

Hence, the slope of FG is -1

3 0

3 years ago