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3 years ago

Find the smallest side of CDE?

Mathematics

1 answer:

elena55 [62]3 years ago

7 0

58* is the smallest known as D!!!!

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Marla did 65 sit-ups each day for one week. Write an expression using the Distributive Property to find the total number of sit-

n200080 [17]

65*7=(1+1+1+1+1+1+1)=65+65+65+65+65+65+65=455 she did 65 sit ups every day for one week the expression is right there the answer to solve it is 455. :)

3 0

3 years ago

Suppose you flip a coin five times.

hoa [83]

The answer would be A, since the occurance is based purely on chance

4 0

3 years ago

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Express in terms of trig functions of single x : (sin2x+cos2x)^2

RSB [31]

$(\sin 2 x+\cos 2 x)^{2}=1+\sin 4 x$

Solution:

Given trigonometric function:

$(\sin 2 x+\cos 2 x)^{2}$

Using perfect square formula:

$(a+b)^{2}=a^{2}+2 a b+b^{2}$

$a=\sin 2 x, b=\cos 2 x$

$(\sin 2 x+\cos 2 x)^{2}=\sin ^{2}(2 x)+2 \sin 2 x \cos 2 x+\cos ^{2}(2 x)$

Arranging square terms together.

$=\sin ^{2}(2 x)+\cos ^{2}(2 x)+2 \sin 2 x \cos 2 x$

Using the trigonometric identity: $\sin ^{2}x+\cos ^{2}x=1$

$=1+2 \cos 2 x \sin 2 x$

Using the trigonometric identity: $2 \cos \sin x=\sin 2 x$

$=1+\sin (2 \cdot 2 x)$

$=1+\sin 4 x$

Hence $(\sin 2 x+\cos 2 x)^{2}=1+\sin 4 x$ .

6 0

3 years ago

3,6,19 acute, obtuse, or not a triangle

Helen [10]

I believe it’s an obtuse triangle

8 0

3 years ago

Read 2 more answers

Cheyenne is very material for an art project. She needs 39 feet of fabric. The fabric sells for four dollars per yard. How much

Verdich [7]

1) 1 yard = 3 feet

2) 39 feet * [1 yard / 3 feet] = 13 yard

3) 13 yard * $ 4 / yard = $ 52

Answer: he will pay $ 52 for the fabric.

4) strip diagram

|-----| 1 yard = $4

|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|
   1     2     3    4     5     6    7     8     9   10   11   12    13

           13 * 4 = 52 dollars

6 0

3 years ago