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3 years ago

Phrases like _ or __ indicate that you need to reverse the order.

Mathematics

1 answer:

steposvetlana [31]3 years ago

6 0

Answer:

Step-by-step explanation:

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I need help on 18,19 and 20 please help do tomorrow

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3 years ago

Solve for x. You must write your answer in fully simplified form.<br> -12x = -10

satela [25.4K]

Answer:

0.83333333333

Step-by-step explanation:

you divide -12 both sides but its a really odd number

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4 years ago

Read 2 more answers

7 over 8 plus 4 over nine

Natasha2012 [34]

(7/8) + (4/9) = 1.3194

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3 years ago

Need help with this question

Hatshy [7]

Answer:

1. He added 5 instead of subtracted 5.

2. He should have subtracted 5.

3. 2 2/3

Step-by-step explanation:

3x+5=13

subtract 5 to both sides 3x=8

divide both sides by 3 x=8/3 or 2 2/3

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3 years ago

Read 2 more answers

Suppose each edge of the cube shown in the figure is 10 inches long. Find the sine and cosine of the angle formed by diagonals D

tatiyna

Check the picture below.

$sin(EDG )=\cfrac{\stackrel{opposite}{10}}{\underset{hypotenuse}{10\sqrt{3}}}\implies sin(EDG )=\cfrac{1}{\sqrt{3}}\implies sin(EDG )=\cfrac{1}{\sqrt{3}}\cdot \cfrac{\sqrt{3}}{\sqrt{3}} \\\\\\ \stackrel{\textit{rationalizing the denominator}}{sin(EDG )=\cfrac{\sqrt{3}}{\sqrt{3^2}}\implies sin(EDG )=\cfrac{\sqrt{3}}{3}} \\\\[-0.35em] ~\dotfill$

$cos(EDG )=\cfrac{\stackrel{adjacent}{10\sqrt{2}}}{\underset{hypotenuse}{10\sqrt{3}}}\implies cos(EDG )=\cfrac{\sqrt{2}}{\sqrt{3}}\implies cos(EDG )=\cfrac{\sqrt{2}}{\sqrt{3}}\cdot \cfrac{\sqrt{3}}{\sqrt{3}} \\\\\\ \stackrel{\textit{rationalizing the denominator}}{cos(EDG )=\cfrac{\sqrt{6}}{\sqrt{3^2}}\implies cos(EDG )=\cfrac{\sqrt{6}}{3}}$

4 0

2 years ago

Phrases like _______ or ________ indicate that you need to reverse the order.

Phrases like _ or __ indicate that you need to reverse the order.