2 years ago

Adam is rewriting the expression

Mathematics

1 answer:

Lostsunrise [7]2 years ago

7 0

Answer:

Adam is typing...

Step-by-step explanation:

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What is r i 4.5+10r=-6.5 with work pls

Evgen [1.6K]

Answer:

-11/10 or -1.1

Step-by-step explanation:

To start, let's get rid of those pesky decimals by multiplying everything by 2. Then we get 9 + 20r = -13. Now, let's isolate the r by subtracting 9 from both sides to get 20r = -22. Finally, we need to divide everything by 20 to get r = -11/10 or -1.1.

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2 years ago

Find the length of diagonal AV in a three-dimensional figure.

katovenus [111]

Answer:

C. 13

Step-by-step explanation:

Apply pythagorean theorem.

Thus:

Diagonal AV = √(12² + 5²)

AV = √(144 + 25)

AV = √169

AV = 13 cm

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1 year ago

Simplify .4 ^ square root of 6

Papessa [141]

Simplified the answer is in decimal form 0.00000026.

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2 years ago

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Dvinal [7]

Answer:

$\frac{cos-sin^{2}+1 }{sin(1+cos)}\\\\=\frac{cos - sin^{2}+sin^{2}+cos^{2} }{sin(1+cos)}\\\\=\frac{cos+cos^{2} }{sin(1+cos)}\\\\=\frac{cos(1+cos)}{sin(1+cos)}\\\\=\frac{cos}{sin}\\\\=cot$

( 1 = sin² + cos²)

Step-by-step explanation:

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2 years ago

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Which triangles could not be similar to triangle ABC ? triangle a b c with right angle b. side a b is 12 cm. side b c is 5 cm. s

Vera_Pavlovna [14]

Answer:

triangle JKL

Step-by-step explanation:

This is because the lengths of each side JKL is a factor to ABC

respectively .

AB=12,JK=36

AC=13,JL=39

BC=5,KL=25

I hope you understand

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1 year ago