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2 years ago

15

What is the surface area of the triangular prism, in square inches?

1 answer:

PtichkaEL [24]2 years ago

7 0

Answer:

(Length × Perimeter) + (2 × Base Area) = (s1 s 1 + s2 s 2 + h)L + bh

Step-by-step explanation:

you did put any kind of equation so i gave the formula aye aye aye

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Please help with 17, 19, and 21 using trigonometry. Thanks!

omeli [17]

I honestly don’t know. But the square in the bottom of the triangles indicate that it is a right triangle equaling 90 degrees. You can try using that along with other knowledge of right triangles you have. Could you possibly use Pythagorean theorem also?

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2 years ago

How many times the size of 0.81 is 810

MAXImum [283]

Answer:

810 is 100 times the size of 0.81

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3 years ago

slava [35]

The answer for this question is 4.

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2 years ago

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Jose prefers to walk to work when the weather

stich3 [128]

Answer:

independent: time (hours)

dependent: distance (miles)

Step-by-step explanation:

The independent variable would be time because it can be changed depending on his walking speed.

The dependent variable would be distance

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2 years ago

What is the value of the rational expression 2x^2+5x+9/x^2+2x-1 when x=-2

Sergio039 [100]

Answer:

The value of the Rational expression when $x=-2$ is: $-7$

Step-by-step explanation:

For this exercise is important to remember:

When a negative number is raised to an even power, the result will be positive.
The multiplication of signs:

$(+)(+)=+\\(-)(-)=+\\(-)(+)=-$

Then, given the following Rational expression:

$\frac{2x^2+5x+9}{x^2+2x-1}$

You need to follow these steps in order to find its value when $x=-2$ :

1. Substitute the given value of "x" ( $x=2$ ) into the expression:

$\frac{2(-2)^2+5(-2)+9}{(-2)^2+2(-2)-1}$

2. Evaluate and simplify:

$\frac{2(4)+5(-2)+9}{4+2(-2)-1}=\frac{8-10+9}{4-4-1}=\frac{7}{-1}=-7$

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2 years ago

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