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Mrac [35]
2 years ago
13

Get the product using FOIL method: (x+2)(x+3)

Mathematics
1 answer:
emmasim [6.3K]2 years ago
8 0

Answer:

x² + 5x + 6

Step-by-step explanation:

Foil means first, outside, inside, last

First: (x+2)(x+3)

x × x = x²

Inside: (x+2)(x+3)

x × 3 = 3x

Ouside: (x+2)(x+3)

2 × x = 2x

Last: (x+2)(x+3)

2 × 3 = 6

adding them together:

x² + 3x + 2x + 6 = x² + 5x + 6

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2 years ago
Find a and b. А E b B 409 с D​
babymother [125]

Answer:

a = 70°, b = 140°

Step-by-step explanation:

use alternate interior angles

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2 years ago
This equation shows how the total number of quizzes Angie has ever taken in high school depends on the number of weeks she has a
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Answer:

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7 0
3 years ago
The angle of elevation to the top of a skyscraper is measured to be 2 degrees from a point on the ground 1 mile from the buildin
Alex

Answer:

0.034921 miles or 1843774 feet tall

Step-by-step explanation:

Using trigonometric functions we know that x=rcos(\theta) and y=rsin(\theta) where \theta=angle and r is the hypotenuse of the triangle.

First we will calculate the hypotenuse using the x equation, since we know x = 1 mile (distance from the building on the ground) we have:

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Now we will calculate the height of the building using the y equation and so:

y=rsin(\theta)\\\\y=\frac{1}{cos(2)} \times sin(2) = \frac{sin(2)}{cos(2)}=tan(2)=0.034921mi

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3 years ago
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