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3 years ago

LOOK AT PICURE! I WILL MARK BRAINIEST WHOEVER IS CORRECT!!!!!

Mathematics

1 answer:

kondor19780726 [428]3 years ago

7 0

Step-by-step explanation:

<A= right angle

<B= acute angle

<C= obtuse angle

<D=right angle

hope this helps you.

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How would you verify the trigonometric identity 2x = 2sinx cosx

dem82 [27]

Step-by-step explanation:

Hi, there!!

I hope you mean sin2x=2sinx . cosx

so, let's begin in a simple way; by adding, alright:

sin2x= sin(x+x) (as 2x=x+x).

now, let's use compound formula for sin,

so, we get:

sin (x+x)= sinx.cosx + cosx. sinx (as sin(A+B)=sin A. cosB + cosA . sinB)

or, sin (x+x)=2sinx.cosx (adding both).

Therefore, sin 2x = 2sinx. cosx.

Hope it helps..

5 0

3 years ago

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Bonnie borrowed $2400 at 6% simple interest for one year. If she makes no payments that year, how much interest will she owe at

ExtremeBDS [4]

Answer: 400

Step-by-step explanation: 2400 divide by 6 which is = to 400

in other way 400x6 = 2400 we just div that.

6 0

3 years ago

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The window shown is the shape of a semicircle with a radius of 6 feet. The distance from F to E is 3 feet and the measure of = 4

Brut [27]

We have to find 2 areas and to subtract A2 from A1:
A1 = ( r² · π · 45° ) / 360° = ( 6² · 3.14 · 45° ) / 360° = 14.13 ft²
A2 = ( 3² · π · 45° ) / 360° = 3.53 ft²
A ( BCIH ) = 14.13 - 3.53 = 10.6 ft² ≈ 11 ft²
Answer: The area of the glass in the region BCIH is 11 ft² ( rounded to the nearest square foot ).

5 0

4 years ago

Read 2 more answers

BRAINLIEST TO CORRECT

solniwko [45]

Answer:

10. 30 and 2m43 k32. 97 57.85 542. The 1

8 0

3 years ago

A projectile is thrown upward so that its distance above the ground after t seconds is h = -16t2 + 440t.

sesenic [268]

Find the derivative of h and then find its root
h = -16t^2 + 440t
h'=-32t+440
-32t+440=0
t=13.75 s

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3 years ago