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Ugo [173]
3 years ago
7

50 POINTS !! PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0
The hypotenuse of the triangle is 8.603487665. But if you’re rounding to the nearest tenth, the answer would be 8.6

Explanation: you use the square root button on the calculator and add 8.1+2.9 but make sure you square the numbers because you’re finding the hypotenuse. I attached a pic for you to see what I typed in the calculator:)

emmasim [6.3K]3 years ago
5 0

Answer:

write in calculator

2.9^2 +8.1^2

then the for the answer you get, square root it.

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QUESTION 29
Shalnov [3]

The sum of the set of x - values given to us is calculated as; ∑X = -1

<h3>How to find the the sum of a set of data?</h3>

We are given;

X1 = 2, X2 = -8, X3 = 4, X4 = -8 and Y1 = -3, Y2 = -8, Y3 = 10, Y4 = 6

1) ∑X = X1 + X2 + X3 + X4

∑X = 2 + (-8) + 4 + 1 = -1

2) ∑Y = Y1 + Y2 + Y3 + Y4

∑Y = 3 + (-8) + 10 + 6

∑Y = -11

3) ∑ X² = X₁² + X₂² + X₃² + X₄²

∑X² = (2)² + (-8)² + (4)² + (1)²

∑X² = 85

4) ∑Y² = Y₁² + Y₂² + Y₃² + Y₄²

∑X² = (-3)² + (-8)² + (10)² + (6)²

∑X² = 209

Complete question is;

Two variables, X and Y assume the values X1 = 2, X2 = -5, X3 = 4, X4 = 1 and Y1 = -3, Y2 = -8, Y3 = 10, Y4 = 6, respectively. Calculate (a) ∑X, (b) ∑ Y, (c) ∑ X² (d) ∑ Y²

Read more about Sum of data at; brainly.com/question/15858152

#SPJ1

6 0
2 years ago
What is the absolute value of 2 1/3
taurus [48]
2/12 is the correct answer
3 0
4 years ago
Read 2 more answers
HELP ! PLEASE !! Which of the following correctly expresses the number below in scientific notation? 0.000332
Kipish [7]
Answer:  F

In scientific notation, there is one number to the left of the decimal point
Since the decimal point was moved four places to the right, the exponent is a negative 4
7 0
4 years ago
Is the value of the variables used in this metric system?
Marat540 [252]

Solution:

a=-2 b=1 c=4 d=0

Analysis:

When we multiply a matrix by a constant, we multiply each term of the matrix by the constant.

In this case, as we need to find the value of the initial matrix, we can divide each term of the matrix by the constant. In this case, let´s divide by -5

So, it would be:

a=10/-5 a=-2

b=-5/-5 b=1

c=-20/-5 c=4

d=0/-5 d=0

6 0
1 year ago
What is -3/11 as a decimal
Marianna [84]
It is possible to convert a fraction to a decimal in mathematics. First, -3/11 is a fraction. To convert a fraction which is -3/11, divide 3 by 11 which you get .272727... and you get the idea. The '27' repeats. Therefore, the answer would be -.27 with a <span>Vinculum symbol which is a horizontal line above the number to indicate its repeating. Also, don't forget to put a negative sign!</span>
6 0
3 years ago
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