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Nat2105 [25]
3 years ago
9

A number, n, is rounded to 2 decimal places.

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0

Using<u> rounding concepts</u>, it is found that the error interval for n is:

3.865 \leq n < 3.875

The number is rounded to two decimal places, hence:

  • If the third decimal digit is 5 or more, one is added to the second decimal digit.
  • If the third decimal digit is of 4 or less, the second digit stays the same.

From this, we have that values between 3.865(inclusive) and 3.875(exclusive) are rounded to 3.87, which means that the error interval is:

3.865 \leq n < 3.875

A similar problem is given at brainly.com/question/21406226

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Genrish500 [490]

Answer: Vertical angles are congruent.



Step-by-step explanation:

In the given picture, NS and RT are intersecting line segments, intersects at point Q.

We know that when two lines intersect to make an cross, angles on opposite sides of the cross are called vertical angles. These angles are equal by the theorem that says Vertical angles are congruent.

⇒∠NQT ≅ ∠SQR

Therefore, the reason that justifies the step 2 :- ∠NQT ≅ ∠SQR is "Vertical angles are congruent" in the proof.

3 0
4 years ago
Read 2 more answers
Tricia is looking to buy speakers that cost $349 plus the sales tax rate, which is 2.7%. What is the total amount she will pay a
m_a_m_a [10]

Answer:

The total amount she will pay after taxes is $339.58

Step-by-step explanation:

The Total cost of the speaker plus tax = $349

The tax rate applied = 2.7%

Tax payable = $349 * 2.7% = $9.423

The tax amount on the speaker is Tricia = $9.423

Thus, the total amount she will pay after taxes (i.e. paying $9.423) for purchase of the Speaker will be = $349 - $9.423 = $339.58.

The original price of the speaker excluding tax is $339.58.

5 0
4 years ago
I neeed help doing the problem
alexgriva [62]
Her current balance aftsr adding 60$ 3 times would be -65
6 0
4 years ago
Please help me on this​
nadya68 [22]
Savings account, retirement savings, value of second car, balance in checking account i believe those are the only ones not positive though
3 0
4 years ago
How many 6 letter words can be made from letters in the word JUSTICE if repetitions are permitted
timofeeve [1]

Answer:

Justin

unsafe

shrimp

Thicke

choose

Equate

Step-by-step explanation:

tried

5 0
3 years ago
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