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White raven [17]
3 years ago
14

Fast as possible, 100 point Write an expression for the Product of (x+5)(x-3)

Mathematics
1 answer:
joja [24]3 years ago
4 0

Answer:

I think this could be the answer- x^ +2x-15

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I don’t know how to do any of this
mojhsa [17]

Answer:

The length of x in #1 is 15.57

Step-by-step explanation:

Let's use #1 as an example to teach show you how to do this. In a right triangle we can solve these using trig. In this particular one, we have the measure adjacent to the angle and we are looking for the one opposite of the angle. So we look at all the trig functions and select the one that uses both of those two terms.

Sinα = Opp/Hyp

Tanα = Opp/Adj

Cosα = Adj/Hyp

As you can see, Tan is the function we are looking for. So we plug in all known information into that equation.

Tanα = Opp/Adj -----> Plug in known values

Tan(60) = x/9 ----->Calculate out the trig function

1.73 = x/9 -----> Multiply by the denominator to solve

15.57 = x

3 0
2 years ago
What is 4.12 rounded to the nearest tenth
Gnom [1K]
4.12 rounded to the nearest tenth is 4.1
8 0
3 years ago
Read 2 more answers
What is the area of the firgure?
qaws [65]

Answer:

768

Step-by-step explanation:

4 0
2 years ago
Which formula is used to find circular mil area?
krok68 [10]
The term circular mil is common in expressing the cross sectional area of a wire. Electrical wires have very minute diameters that are often measured a thousandth of an inch. Hence, when you find the area of the circular wire, for convenience, the unit used is circular mil which is equivalent to one-thousandth of an inch. 

For example, a wire has a diameter of 6×10⁻⁵ inches. To find its area:

A = πr² = π( 6×10⁻⁵ /2)² = 2.83×10⁻⁹ in²

Since 1 mil = 1/1000 (inch) or 0.001 inch

A =  (2.83×10⁻⁹ in²)* (1 mil/ 0.001 inch)²
A = 0.00283 circular mils

7 0
3 years ago
A family daycare center charges a one-time $80 enrollment fee and $90 per week (w).
Vladimir79 [104]

You would multiply the weekly amount by the number of weeks (w) and add that to the one time fee:

t = 90w + 80

7 0
3 years ago
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