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Kazeer [188]
3 years ago
12

Can someone kindly explain and answer this for me please!

Mathematics
2 answers:
Nikolay [14]3 years ago
6 0
<h3>Pythagoras Theorem:</h3>

The square on the hypotenuse of a right-angled triangle is equal in area to the sum of the squares on the other two sides.

<h3>Given:</h3>

a = 7

b = 24

<h3>To Find:</h3>

The measure of the hypotenuse c.

<h3>Solution:</h3>

By using the Pythagoras Theorem, we get

{c}^{2}  =  {a}^{2}  +  {b}^{2}

{c}^{2}   = {7}^{2}  +  {24}^{2}

{c}^{2}  = 49 + 576

c =  \sqrt{625}

c = 25

<h2>Answer:</h2>

<u>Option A. 25</u> is the correct answer.

Lubov Fominskaja [6]3 years ago
5 0

Answer:

25

Step-by-step explanation:

7 * 7 = 49

24 * 24 = 576

576 + 49 = 625

\sqrt{625} = 25

Please mark as brainliest

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A metalworker has a metal alloy that is ​25% copper and another alloy that is ​70% copper. How many kilograms of each alloy shou
Crank

Answer:

The metal worker should use 10 kgs of 25% copper alloy and 40kgs  of 70% copper alloy to make it

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Laundry detergent boxes are filled according to an approximately Normal distribution with mean 34.15 ounces and standard deviati
Leno4ka [110]

Using the normal distribution, it is found that there is a 0.0668 = 6.68% probability a randomly selected box has less than the 34 ounces of advertised weight.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 34.15, \sigma = 0.1.

The probability a randomly selected box has less than the 34 ounces of advertised weight is the <u>p-value of Z when X = 34</u>, hence:

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

Z = \frac{34 - 34.15}{0.1}

Z = -1.5

Z = -1.5 has a p-value of 0.0668.

0.0668 = 6.68% probability a randomly selected box has less than the 34 ounces of advertised weight.

More can be learned about the normal distribution at brainly.com/question/24537145

#SPJ1

7 0
2 years ago
The Cooking Club made some pies to sell
Alenkinab [10]
The club made 5 pies. If each pie is cut into 5 slices, and there are now 40 slices after the cafeteria donated, divide 40 by 5, which is 8. Subtract the 3 that the cafeteria donated.
3 0
3 years ago
What is the domaun of the relation
Naily [24]

Answer:

[3,4,5]

Step-by-step explanation:

the answer is [3,4,5,]

because domain means it is the value of x.

6 0
3 years ago
Use elimination to solve this system of equations. 2r + 3s= 9 and 3r + 2s= 12
timama [110]
<span>2r + 3s= 9 <=> -6r -9s = -27;</span>
<span>3r + 2s= 12 <=> 6r + 4s = 24;
                    => 0*r -5*s = -3 => s = 3/5;

2*r + 3*(3/5) = 9<=> 10*r + 9 = 45 <=> 10*r = 36 => r = 18/5;
</span>
7 0
3 years ago
Read 2 more answers
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