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Brilliant_brown [7]
3 years ago
8

Estimate the difference by rounding off to nearest tens . 6723 - 751

Mathematics
1 answer:
DiKsa [7]3 years ago
4 0

Answer:

5972    5970

Step-by-step explanation:

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Solve for x round to the nearest tenth of degree if necessary
ehidna [41]

Answer:

x = 1 degree

Step-by-step explanation:

Using the Pythagorean theorem, a^{2} + b^{2} + c^{2} we can find the unknown side then use SOHCAHTOA to find the unknown angle

First step:

a^{2} + b^{2} = c^{2} \\45^{2} + 92^{2} = c^{2} \\2025 + 8464 = c^{2} \\10489 = c^{2} \\

Take the square root of both sides

\sqrt{10489} = \sqrt{c^{2} } \\102.4 = c

Now to find the angle use SOHCAHTOA

Cosine = \frac{Adjacent}{Hypotenuse} (The side we found is adjacent)(Hypotenuse is the longest side)

            = \frac{102.4}{92}

             = 0.999

Approximately 1 degree.

8 0
3 years ago
Roughly 75% of students take the bus to school. If you were to ask 9 students in your class, what is the probability that at mos
GREYUIT [131]

The probability that at most 8 of them take the bus to school is 0.925, written in percentage form this is 92.5%

<h3>How to find the probability?</h3>

We know that roughly 75% of the students take the bus, then, if we select a student at random.

  • There is a probability of 0.75 that the student takes the bus.
  • There is a probability of 0.25 that the student does not take the bus.

The probability that at most 8 out of 9 students take the bus, is equal to one minus the probability of the 9 taking the bus, which is:

p = (0.75)^9 = 0.075

Then we have:

P = 1 - 0.075 = 0.925

The probability that at most 8 of them take the bus to school is 0.925, written in percentage form this is 92.5%

If you want to learn more about probability, you can read:

brainly.com/question/251701

3 0
2 years ago
You are constructing a line perpendicular to line y through point X, which is not on line y. Which of the following is not a nec
sergiy2304 [10]

Answer:Ur answer is C

5 0
3 years ago
Write 500m out of 4km as a percentage​
xz_007 [3.2K]

Answer:

∴ 5.5% is 55 m of 1 km.

___________________

6 0
3 years ago
Are they simular and why​
S_A_V [24]

Answer:

YES

Step-by-step explanation:

because there the same shape but the right one is moved to the side a little bit

4 0
3 years ago
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