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slega [8]
3 years ago
9

The measure of three angles of a triangle are (2×), (3×) and (×+60) what is the value of x ?

Mathematics
1 answer:
Gelneren [198K]3 years ago
4 0
Since the sum of the angles of a triangle = 180°

Then  (2x)º + (x + 60)º + (3x)º  = 180°
                               (6x)° + 60° = 180°
                                         (6x)° = 180° - 60°
                                             x   =  120° ÷ 6
                                        ∴   x   =  20
                          
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In brianna's homeroom class, 9% of the students were born in march and 40% of the students have a blood type of o+.
Firlakuza [10]

Answer:

3.6%

Step-by-step explanation:

Because the two events are independent, their probabilities are multiplied, so the probability of a student being born in March and having a blood type of O+ is 9% * 40% = 0.09 * 0.40 = 0.036 = 3.6%

3 0
2 years ago
In the sentence below, interval can BEST be defined as which of the following? Sales taxes are collected by the retailer and sen
Ymorist [56]
The answer would be D. an interval isnt a certain number but it is a time something happens over and over again 

5 0
3 years ago
Read 2 more answers
A librarian has 4 identical copies of Hamlet, 3 identical copies of Macbeth, 2 identical copies of Romeo and Juliet, and one cop
lesantik [10]

Answer:

The number of distinct arrangements is <em>12600</em><em>.</em>

Step-by-step explanation:

This is a permutation type of question and therefore the number of distinguishable permutations is:

n!/(n₁! n₂! n₃! ... nₓ!)

where

  • n₁, n₂, n₃ ... is the number of arrangements for each object
  • n is the number of objects
  • nₓ is the number of arrangements for the last object

In this case

  • n₁ is the identical copies of Hamlet
  • n₂ is the identical copies of Macbeth
  • n₃ is the identical copies of Romeo and Juliet
  • nₓ = n₄ is the one copy of Midsummer's Night Dream

Therefore,

<em>Number of distinct arrangements =  10!/(4! × 3! × 2! × 1!)</em>

<em>                                                         = </em><em>12600 ways</em>

<em />

Thus, the number of distinct arrangements is <em>12600</em><em>.</em>

4 0
3 years ago
The area of a rectangular bedroom is 240 square feet and the length is 16 feet what is the width
kirill [66]
1.)   240 divided by 16.
2.)   15
The width of the bedroom is 15 feet.

I hope this helps, please Brainliest me, and have a wonderful night! :D
8 0
3 years ago
Read 2 more answers
Which graph most likely shows the experimental probability histogram of X based on 100 data points?
Archy [21]

Answer:

  see attached

Step-by-step explanation:

Based on 100 trials, we don't expect the experimental probability to deviate much from the theoretical probability. The scales on the attached graphs are hard to read, but you want to choose the graph that ...

  • has bars that total 100 in their length
  • has bars that are approximately .50, .25, .17, .08 in height, corresponding to the area fraction

We think the appropriate choice may be C, but we cannot tell for sure.

3 0
3 years ago
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