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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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PLEASE ANSWER
Natasha2012 [34]

Answer:

A

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Which of the following is a like radical to RootIndex 3 StartRoot 7x EndRoot?
lana [24]

Answer:

A. 4 (RootIndex 3 StartRoot 7 x EndRoot)  or 4(\sqrt[3]{7x})

Step-by-step explanation:

Given:

A radical whose value is, r_1=\sqrt[3]{7x}

Now, we need to find the like radical for r_1.

Let the like radical be r_2.

As per the definition of like radicals, like radicals are those that can be expressed as multiples of each other.

So, if two radicals r_1\ and\ r_2 are like radicals, then

r_1 = n \times r_2


Where, 'n' is a real number.

Here, r_1=\sqrt[3]{7x}

Now, let us check all the options .

Option A:

4 (RootIndex 3 StartRoot 7 x EndRoot) or r_2=4\sqrt[3]{7x}

Now, we observe that r_2 is a multiple of r_1 because

r_2=4\times \sqrt[3]{7x}\\\\ r_2=4\times r_1..............(r_1=\sqrt[3]{7x})

Therefore, option A is correct.

Option B:

StartRoot 7 x EndRoot or r_2=\sqrt{7x}

As the above radical is square root and not a cubic root, this option is incorrect.

Option C:

x (RootIndex 3 StartRoot 7 EndRoot) or r_2=x\sqrt[3]{7}

As the term inside the cubic root is not same as that of r_1, this option is also incorrect.

Option D:

7 StartRoot x EndRoot or r_2=7\sqrt{x}

As the above radical is square root and not a cubic root, this option is incorrect.

Therefore, the like radical is option (A) only.

4 0
3 years ago
Read 2 more answers
Johnny ran 3/4 of an hour and Angie ran 2/3 of an hour how much more did Johnny run
yawa3891 [41]
3/4 = 9/12
2/3 = 8/12

9/12 - 8/12 = 1/12

So Johnny ran for 1/12 of an hour longer than Angie.
3 0
3 years ago
Read 2 more answers
Plz help! Which expression is equivalent to... (see image)
Sliva [168]

Answer:

2 to the power of 3/7

hopefully it helps its a fractional indices question

6 0
2 years ago
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7/9 × 27/5 whats the answer?​
melisa1 [442]

Answer:

21/5 when simplified

5 0
2 years ago
Read 2 more answers
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