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ra1l [238]
4 years ago
14

HELP ASAP FOR BRAINLIEST:

Mathematics
2 answers:
Bad White [126]4 years ago
7 0

Answer: 5.33

Step-by-step explanation: z = (1300-1700) / 75 = 5.33

photoshop1234 [79]4 years ago
5 0

Answer: the z score is - 5.33

Step-by-step explanation:

Since the results for the standardized test are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = test reults

µ = mean score

σ = standard deviation

From the information given,

µ = 1700 points

σ = 75 points

We want to the Z-score test result of 1300 points.

For x = 1300,

z = (1300 - 1700)/75 = - 400/75 =

- 5.33

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*15 points please help easy question*
Igoryamba

Answer:

x = \sqrt{13}

Step-by-step explanation:

The segment from the vertex to the base is a perpendicular bisector.

Using Pythagoras' identity on the right triangle on the left.

x² = 2² + 3² = 4 + 9 = 13 ( take the square root of both sides )

x = \sqrt{13}

6 0
3 years ago
If a basketball was super inflated and had a rebound ratio of 85%, write an equation to determine what the height of the basketb
LenKa [72]

Answer:

3.77ft

Step-by-step explanation:

According the question

The height of the basketball dropped from a height of 10ft after 6 bound having a rebound ratio of 85%

= 10(17/20)^6 = 3.77 feet

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3 years ago
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Step-by-step explanation:

7 0
4 years ago
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Find the lengths of the three sides of a right triangle if the hypotenuse is 1 cm longer than the longer leg and 3 cm less than
Mashutka [201]

I has no idea sorry I'm only in 7th grade I wish I could help



4 0
3 years ago
Un fabricante de ventanas cuadradas cobra a razón de 3 euros por cada metro de marco y 12 euros por el cristal, sean cuales sean
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Answer:

Givens

  • The cost of the square windows is 3 euros per meter, and 12 euros for the crystal.

<h3>If a window has 2 meters side, how much would it cost? (A)</h3>

Notice that the window is a square, that means all four sides are congruent, so it has 8 meters in total, which would cost 24 euros plus the crystal. Therefore, the total cost of a window with 2 meters side is 24+12 = 36 euros.

Specifically, the function of the cost is: C(x)=3x+12, where x represents meters of sides. (C)

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The window has 16 meters between the four sides, which gives 5 meters per side.

The graph of the function is attached.

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