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2 years ago

Using the inverse trig functions, find the measure of angle A to the nearest degree.

Mathematics

1 answer:

TEA [102]2 years ago

6 0

1. 37 degree. A triangle has 180 there is a right angle 90 and then c is 53 which leaves 37 for a

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Complementary angles always sum to _____.

dmitriy555 [2]

The answer is: 90° .
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2 years ago

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Please helppppppppppppppppppp

Vanyuwa [196]

6hrs = 360 minutes

360/7.5 = 48 bottles required

500g = 0.5kg

48x0.5 = 24 kg
24x 5 = 120p

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2 years ago

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Help me please I’m begging you:(

alex41 [277]

Answer:

Chips = 14

Pretzel = 14

Cookie = 8

Popcorn = 13

Question Mark = 222

Step-by-step explanation:

First Equation:

Chips + Pretzel + Chips = 42

Third Equation: Chips = Pretzel.

This means that

Pretzel + Pretzel + Pretzel = 42

Pretzel = $\frac{42}{3} =14$

Chips = Pretzel

Chips = $14$

Second Equation:

Cookie + Chips + Cookie = 30

We know that Chips = 14.

Cookie + 14 + Cookie = 30

Subtract 14 on both sides:

Cookie + Cookie = 16

Cookie = $16\div 2 =8$ .

Fourth Equation:

Cookie + Cookie + Popcorn = 29

We know that Cookie = 8.

8 + 8 + Popcorn = 29

16 + Popcorn = 29

Subtract 16 on both sides:

Popcorn = 13.

Question Mark:

(Popcorn + Popcorn) $\times$ Cookie + Chips = (13 + 13) $\times$ 8 + 14 = 26 $\times$ 8 + 14 = $208+14=222$

6 0

2 years ago

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Solve by completing the square x^2-6x-16=0

Greeley [361]

Answer:

x = 8 or

x = -2

Step-by-step explanation:

<h2>Completing The Square:</h2>

x² - 6x - 16 = 0

Here,

a = 1

b = -6

c = -16

Now,

x² - 6x + [6/2(1)]² - [6/2(1)]² - 16 = 0

x² - 6x + (6/2)² - (6/2)² - 16 = 0

x² - 6x + (3)² - (3)² - 16 = 0

(x - 3)² - 9 - 16 = 0

(x - 3)² - 25 = 0

(x - 3)² = 25

x - 3 = +-√25

x - 3 = +- 5

x = 3 +- 5

x = 3 + 5 or x = 3 - 5

x = 8 or x = -2

Hope it's helpful

7 0

2 years ago

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The elevation is 12,000 feet. the altimeter reading in an airplane is 17.00 in hg. this pressure is equal to

In-s [12.5K]

The elevation is 12,000 feet. the altimeter reading in an airplane is 17.00 in hg. this pressure is equal to:
There are 29.92inHg in 1 atm
thus
17 inHg×(1 atm/29.92inHg)
=17/29.92
=0.5682 atm

Answer: 0.5682 atm

7 0

2 years ago