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Gelneren [198K]
3 years ago
14

Please Answer asap!!!!

Mathematics
1 answer:
Citrus2011 [14]3 years ago
6 0
The answer is A. 1/15 
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The sum of two consecutive integers is -39. List the two numbers from smallest to greatest
Gemiola [76]

Answer:

  -20, -19

Step-by-step explanation:

The average of the two numbers is -39/2 = -19.5. The smaller number is 0.5 less than this, -20, and the larger number is 0.5 more than -19.5, so is -19.

_____

<em>Comment on the problem and solution</em>

I find that working consecutive integer problems is often simplified by working with the average value of those integers:

  • the average of two consecutive odd integers is the even integer between them
  • the average of two consecutive even integers is the odd integer between them
  • the average of an odd number of integers of the same type (consecutive, consecutive odd, consecutive even) is the middle one
  • The average of an even number of consecutive integers is the "half" number between the middle two (as in this problem).
5 0
3 years ago
If the circumference of a circle is changed from 9 cm to 3 cm, how will the diameter change?
klemol [59]

<u>Answer:</u>

If the circumference of a circle is changed from 9 cm to 3 cm, then the diameter decreases by a factor of 3.

<u>Solution:</u>

Given, the circumference of a circle is changed from 9 cm to 3 cm,  

We have to find how will the diameter change from the given equations?  

We know that, diameter = 2 \times radius and circumference = 2π \times radius.

\text { Now, circumference }=\pi \times(2 \times \text { radius }) \rightarrow \text { circumference }=\pi \times \text { diameter }

\text { At initial stage } \rightarrow \text { circumference }=9 \rightarrow \pi \times \text { diameter }=9 \rightarrow \text { diameter }=\frac{9}{\pi}

\text { Now, after change } \rightarrow \text { circumference }=3 \rightarrow \pi \times \text { diameter }=3 \rightarrow \text { diameter }=\frac{3}{\pi}

\text { Now, for finding change in factor }=\frac{\text { new diameter }}{\text { old diameter }}=\frac{\frac{3}{\pi}}{\frac{9}{\pi}}=\frac{3}{9}=\frac{1}{3}

Hence, the diameter decreases by a factor of 3.

7 0
3 years ago
Read 2 more answers
How to find the resultant vector
ss7ja [257]
You should add the initial vector to the final vector. Direction should not be left out as it important
4 0
4 years ago
2) Calculate the slope of a right triangle with a base of 8 cm and a height of 4 cm. [2 Marks]
hammer [34]

Answer:

slope=4root5

Step-by-step explanation:

H^2=b^2+ h^2

      (8)^ +(4)^

      = 64+16

   H^   =80

    H= ROOT 80

       root(4*4*5)  

       =4root(5)

4 0
4 years ago
The sum of measures of alternate interior angles of two parallel lines is 210°. What are the measures of these angles?
torisob [31]
The answer is 105. Alternate interior angles of two parallel lines are congruent(meaning they are the same). 210/2=105, also the answer has to be below 180 degrees but more than 0.
5 0
3 years ago
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