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Katen [24]
3 years ago
5

1/5 of the passengers on a bus are young adults and 2/3 of them are children. The remaining passengers are senior citizens. What

fractions of the passengers are not senior citizens?
Mathematics
1 answer:
saveliy_v [14]3 years ago
5 0

Answer:

Step-by-step explanation:

First, you need to find the fraction of the passengers who are not senior citizens. Add 1/5 and 2/3 to get 13/15.

This means that 13/15 of the passengers aren't senior citizens and 2/15 of the passengers are senior citizens.

Hope i helped!

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Whats equivalent to 14(8−6x+12)
iren2701 [21]
We can use the distributive property to set up an expression that is equal to this problem. 

14 times 8 is 112
14 times -6 is -84x
14 times 12 is 168
(If you don't know the distributive property ask and I can explain it)

We can combine that together to get:

112 +168 -84x
Or, condense it further:

280-84x is equivalent to 14(8-6x+12)
8 0
3 years ago
Read 2 more answers
Find the perimeter of a rhombus whose diagonals are
mojhsa [17]

Answer:

Rhombus Side = sqr root [(34 / 2)^2 + (30 / 2)^2]

Rhombus Side = sqr root [17^2 + 15^2]

Rhombus Side = sqr root [289 + 225}

Rhombus Side = sqr root [514]

Rhombus Side = 22.6715680975

Rhombus Perimeter = side * 4 = 90.68627239  cm

Step-by-step explanation:

5 0
3 years ago
What is the measure of angle 3, in degrees, in the figure shown?
guajiro [1.7K]

Answer:

38°

Step-by-step explanation:

The angle 1 is 63°

The angle 2 is the same of angle 1

so :

63°+79°=142°

then :

180° - 142° = 38°.

6 0
3 years ago
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Is there a commutative property of subtraction that states a-b=b-a? investigate and make a conclusion that you justify.
Rom4ik [11]

No is your answer

Assuming that b ≠ a, the answers will not be the same.

For example, (remembering that b ≠ a) let us assume that b = 10, a = 5

10 - 5 = 5

5 - 10 = -5

5 ≠ -5

So the commutative property of subtraction does not work unless in certain cases, in which a = b.

hope this helps

5 0
3 years ago
Please include work!
geniusboy [140]

Answer:

x = ± 4

y = - 2

Step-by-step explanation:

y = 0.5x² - 10 ------------------------(I)

y = -x² + 14   ------------------------(II)

Substitute the y value in equation (II)

    0.5x² - 10  = -x² + 14           {Add x² to both sides}            

0.5x² + x² -10 = 14                  {combine like terms}

       1.5x² - 10 = 14                   {Add 10 to both sides}

               1.5x² = 14 + 10

                1.5x² = 24         {Divide both sides by 1.5}

               1.5x²/1.5 = 24/1.5

                       x² = 16

                      x = ±4

Substitute x = 4 in (I)

y = 0.5 * 4² - 10

 = 0.5*16 - 10

 = 8- 10

y = -2

Substitute x = -4 in (I)

y = 0.5 * (-4)² - 10

 = 0.5*16 - 10

 = 8- 10

y = -2

5 0
3 years ago
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