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storchak [24]
3 years ago
10

Imagine you know the true length of a board to be 24 inches. measuring the board 10 times with instrument a, you find the measur

es vary from 19 to 28 inches. using instrument b, you find the measures vary from 23 to 25 inches. you can conclude that instrument a has ___________ than instrument
b.
Mathematics
1 answer:
lara [203]3 years ago
7 0

The answer is simple it's:


More Measurement Error


Please mark me as brainliest


Hope this help!!!!

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Choose all of the sums that are RATIONAL.​
S_A_V [24]

Answers:

  1. Rational
  2. Rational
  3. Rational
  4. Irrational
  5. Rational
  6. Irrational

In short, 4 and 6 are irrational. Everything else is rational.

============================================

Explanation:

A rational number is one in the form p/q where p,q are integers and q is nonzero. In the case of something like 3/5, we have p = 3 and q = 5.

Any terminating decimal can be converted to a rational number. Eg: 0.125 = 125/1000.

Any whole number is a rational number. Eg: 5 = 5/1.

Adding any two rational numbers leads to some other rational number.

Based on what is mentioned above so far, this means choices 1 through 3 are rational sums.

---------

Choice 4 is not rational because sqrt(2) is irrational. The rule is

irrational+rational = irrational

Choice 5 is a rational sum because sqrt(4) = 2 = 2/1

Choice 6 is irrational for similar reasons as choice 4. Here pi = 3.14... is irrational.

6 0
3 years ago
What is the estimate of 3.83 times 61.4
Sunny_sXe [5.5K]
Basically 4 x 61 so 244
8 0
3 years ago
Read 2 more answers
Jackson says he has an odd number of model cars. He has 6 cars on one shelf and 8 cars on another shelf. Is Jackson correct? Exp
Kisachek [45]
<span>No Jackson incorrect because 6&8even number 6+8=14 even.</span>
7 0
3 years ago
The coordinates of the vertices of quadrilateral ABCD are A(-5, 1), B(-2,5), C(5, 3),
sladkih [1.3K]

Step-by-step explanation:

To calculate a slope, we need to apply: m=\frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

Applying formula to each slope:

m_{AB}=\frac{5-1}{-2-(-5)} = \frac{4}{3}  \\m_{BC}=\frac{3-5}{5-(-2)} =\frac{-2}{7}\\m_{CD}=\frac{-1-3}{2-5}=\frac{-4}{-3} =\frac{4}{3}

So, as you can see, there are equal pair of slopes, meaning that they are parallels, which<em> demonstrate that it's actually a quadrilateral figure.</em>

6 0
3 years ago
Read 2 more answers
What is the value of this expression? (−4)^4?
Charra [1.4K]
-4^4= -4*-4*-4*-4

-4*-4=16
16*-4=-64
-64*-4= 256

Final answer: 256
5 0
3 years ago
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