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vovangra [49]
3 years ago
6

AB is the mid segment of the isosceles trapezoid WXYZ solve for the length of AB

Mathematics
1 answer:
Serjik [45]3 years ago
7 0

Answer:

8 units

Step-by-step explanation:

2(3x-3)=4x-1

6x-6=4x-1

2x=5

x=2.5

3x-3

3(2.5)-3

4.5

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Hi please help me thanksss<br>pls provide workings too thanks :)​
anygoal [31]

Step-by-step explanation:

Search for questions & chapters

Class 11

>>Maths

>>Trigonometric Functions

>>Trigonometric Equations

>>Solve for x: sin x + sin 2x...

Question

Bookmark

Solve for x:sinx+sin2x+sin3x=cosx+cos2x+cos3x in the interval 0≤x≤2π.

Medium

Solution

verified

Verified by Toppr

We write the given equation as

(sinx+sin3x)+sin2x=(cosx+cos3x)+cos2x

or 2sin2xcosx+sin2x=2cos2xcosx+cos2x

or sin2x(2cosx+1)=cos2x(2cosx+1)

or (sin2x−cos2x)(2cosx+1)=0

∴sin2x−cos2x=0 or 2cosx+1=0

If sin2x−cos2x=0, then tan2x=1,

Hence 2x=nπ+π/4

or x=(4n+1)

8

π

.(1)

If 2cosx+1=0, then cosx=−1/2 (2)

∴x=2nπ±

3

2π

or x=

3

6n±2

π

We seek values of x in the interval 0≤x≤2π

In this interval (1) gives

x=π/8,5π/8,9π/8,13π/8. (n=0,1,2,3)

and (2) gives x=2π/3,4π/3. (for n=0,1)

Thus we get the answer

x=π/8,5π/8,2π/3,9π/8,4π/3,13π/8.

4 0
2 years ago
47,258 redondear el decimal hasta la centésima más próxima ​
KIM [24]

Answer:

I don't speak Spanish

Step-by-step explanation:

4 0
2 years ago
-3x+2-5x-7=4x+2 what is the first step solve this<br> equation?
Triss [41]

Answer: x = -0.58

Step-by-step explanation:

-3x+2-5x-7=4x+2

First step, collect like terms

-3x -5x-4x = 2-2+7

-12x = 7

x = 7/-12

x = -0.58

5 0
3 years ago
.Martin is an after-school math tutor. He noticed that 6 people still needed help and only Two-fifths of the tutoring session ti
Ugo [173]

Answer:

6/15 divided by 6

Step-by-step explanation:

\frac{2}{5} / 6\\= \frac{6}{15} / 6\\

4 0
2 years ago
Anthony will be competing in a body building competition in 12 months. he initially weighs 160 pounds and by the end of 12 month
padilas [110]
He starts out with the weight of 160, at the end of those 12 months he weighs 232. if you subtract 160 and 232 the approximate rate of change should be 72
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3 years ago
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