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vredina [299]
2 years ago
15

Hi someone please help

Mathematics
2 answers:
tensa zangetsu [6.8K]2 years ago
7 0

Answer:

1st one is 68 and the 2nd one is 25. hope that helps

Alisiya [41]2 years ago
5 0

Answer:

<h3>1. 112°</h3><h3>2. 25°</h3>

Step-by-step explanation:

1. 50° + 62° = x°

<u>112° = x°</u>

2. x° + 125° = 150°

x° = 150° - 125°

<u>x° = 25°</u>

(An exterior angle of a triangle is equal to the sum of its two interior opposite angles.)

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CAN SOMEONE PLEASE HELP PLEASE ITS HARD
vitfil [10]

Answer:

Its the first one

Step-by-step explanation:

5 0
3 years ago
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Choose the ratio that you would use to convert 6.1 hours to minutes.
lutik1710 [3]

Answer:

Step-by-step explanation:

Let the number of minutes in 6.1 hours be x. Remember that there are 60 minutes in one hour. Therefore,

If 60 minutes = 1 hour,

Then

x minutes = 6.1 hours

Cross multiplying, it becomes

x × 1 = 6.1 × 60 minutes

x = 6.1 × 60 minutes/1

Therefore, the correct ratio with which 6.1 hours would be multiplied is

60 minutes/1 hour

3 0
4 years ago
PLEASE HELP ME FOR BRAINLIEST
icang [17]

Answer:

x = 3.873 units

or x = \sqrt{15} units

Step-by-step explanation:

Hypotenuse = 4  ,  x = height of this isosceles triangle.

base is 2,

so Use Pythagorean Theorem.

x^2 + 1^2 = 4^2

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4 0
3 years ago
2. the average battery life of 2400 manufactured cell phones is recorded
Cloud [144]

A Z-score helps us to understand how far is the data from the mean. The number of phones who have battery life in the range of 11.4 to 13 range is 1145.

<h3>What is Z-score?</h3>

A Z-score helps us to understand how far is the data from the mean. It is a measure of how many times the data is above or below the mean. It is given by the formula,

Z = \dfrac{X- \mu}{\sigma}

Where Z is the Z-score,

X is the data point,

μ is the mean and σ is the standard variable.

The percentage of phones who have battery life in the range of 11.4 to 13 range is,

P(11.4 < X < 13) = P(Z < \dfrac{13-13}{0.8}) - P(Z < \dfrac{11.4-13}{0.8})

                            = 0.50 - 0.0228

                            = 0.4772

Now, the number of phones who have battery life in the range of 11.4 to 13 range is,

Number of phones = 0.4772 × 2400 = 1145.28 ≈ 1145

Hence, the number of phones who have battery life in the range of 11.4 to 13 range is 1145.

Learn more about Z-score:

brainly.com/question/13299273

#SPJ1

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2 years ago
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