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3 years ago

Solve the equation: 3.2/(z-1/2) = 2.667/(z+1/3)

Mathematics

1 answer:

Luden [163]3 years ago

7 0

Answer:

Z = 2489/533

Step-by-step explanation:

I went on photo math and solved it

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I need these questions done triginometry

ira [324]

Answer:

Step-by-step explanation:

3. 9 feet high

sin(30) = h/18

h = 9

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2 years ago

Which equation is equivalent to x + 8 = 21? (x + 8) × 4 = 21 (x + 8) × 4 = 21 ÷ 4 (x + 8) × 4 = 21 × 2 (x + 8) × 4 = 21 × 4

Drupady [299]

Answer:

(x + 8) × 4 = 21 × 4

Explanation:

x + 8 = 21

21 - 8 = 13

(13 + 8) × 4 = 21 × 4

21 × 4 = 21 × 4

84 = 21 × 4

84 = 84

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2 years ago

Please help and explain ( Brainliest for answer!)

Novosadov [1.4K]

Answer:

AD = 3

Step-by-step explanation:

Pythagoras theorem formula: a² + b² = c² (c being the hypotenuse, the longest side of the triangle).

Using this formula, you can easily say that c²-b²=a². c=5, b=4, making the equation 5² - 4² = a ².

Expanding the formula, you'll get 25 - 16 = a².

25 - 16 = 9.

This means that 9 = a².

To find a, you need to root 9. Using a calculator, you'll know that this number is 3, meaning that AD = 3.

7 0

3 years ago

Shruthi typed 1000 words in 60 minutes. What is her typing speed?

shepuryov [24]

Answer:

If top readers read at speeds of above 1000 words per minute (wpm) with near 85% comprehension, they only represent 1% of readers. Average readers are the majority and only reach around 200 wpm with a typical comprehension of 60%. ... The average reader is five times slower than the good reader.

Step-by-step explanation:

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2 years ago

Solve: 2cos(x)-square root 3=0 for 0 less than x less than 2 pi

Leona [35]

Answer:

The general solution of $cos x = cos(\frac{\pi }{6})$ is