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Nat2105 [25]
2 years ago
15

PLZ HELP!! I REWARD BRAINLIEST. plz no silly answers i grinded for these points

Mathematics
1 answer:
Tasya [4]2 years ago
5 0

Answer:

  • 180° - 1/2(α + β)

Step-by-step explanation:

<u>The two angles of the triangle ADB are:</u>

  • m∠A/2 and m∠B/2 or
  • α/2 and β/2

<u>The three interior angles add to 180°, so the missing angle is:</u>

  • m∠ADB = 180° - 1/2(α + β)
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Subtract (-2x² +3x-5) from( 6x2 -4x+2)
Andreyy89

Answer:

8x² - 7x + 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

(6x² - 4x + 2) - (-2x² + 3x - 5)

<u>Step 2: Simplify</u>

  1. Distribute negative:                    6x² - 4x + 2 + 2x² - 3x + 5
  2. Combine like terms (x²):             8x² - 4x + 2 - 3x + 5
  3. Combine like terms (x):               8x² - 7x + 2 + 5
  4. Combine like terms (Z):              8x² - 7x + 7
8 0
3 years ago
Researchers wondered if there was a difference between males and females in regard to some common annoyances. They asked a rando
Zinaida [17]

Answer:

Step-by-step explanation:

Males proportion p_1 = \frac{163}{532} =0.3064

Females proportion p_2 = \frac{203}{589} =0.3447

H_0: p_1 = p_2\\H_a: p_1

(one tailed test for comparison of proportions)

Test statistic = \frac{p_1-p_2}{p(1-p)\sqrt{\frac{1}{n_1}+\frac{1}{n_2}  } }

=-1.3641

Here p= combined proportion = \frac{163+203}{532+589} \\=0.3291

p value = 0.0869

Since p >0.05, accept null hypothesis.

The evidence does not suggest a higher proportion of females are annoyed by this​ behavior

3 0
3 years ago
Which is the better deal?
aliina [53]

Answer:

36 oz

Step-by-step explanation:

Get the other options down to 12oz units for their price and then you can compare which one is the cheapest for 12oz.

12oz = $1.99

36oz/3 = 12oz   so $2.59/3   = $ .86

48oz/4= 12oz   so $3.99/4  = $1.00

60oz/5= 12oz   so $4.59/5 = $ .92

So looking at the breakdown, the 36oz one is the cheapest because for that price for a third of it comes out to .86 cents.

3 0
3 years ago
20 POINTS Determine the sample space for completing three days of chores. Use the abbreviation M for Maddie, P for Paige, and O
Katen [24]

Step-by-step explanation:

ight or flight response, causing the adrenal glands to flood the body with stress hormones, such as adrenaline, and t

6 0
3 years ago
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The graph shown represents the equation y=3(1/3)^x
musickatia [10]
Statements #1-4 are all true. Statement 5 is false due to the fact that when x = 0, y = 3. 
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3 years ago
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