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Serggg [28]
2 years ago
15

Help find the probability

Mathematics
1 answer:
zepelin [54]2 years ago
6 0

Answer:

    18. <u>0.25</u>

    19. <u>0.33</u>

Step-by-step explanation:

<u>Problem 18</u>

  • Number of oranges = 2
  • Number of fruits = 2 + 6 = 8
  • P (orange) = 2/8 = 1/4
  • P (orange) = <u>0.25</u>

<u />

<u>Problem 19</u>

  • Number of 1 or 6 faces = 2
  • Total faces = 6
  • P (1 or 6) = 2/6 = 1/3
  • P (1 or 6) = <u>0.33</u> (2 DP)

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Mary is five times as old as Fred. In three years Mary will be 4 times as old as Fred. Find their present ages?
igomit [66]

ans

here let mary age be x and fred be y

1st equation

x= 5y

2nd equation

x+3 =4(y+3)

now from 1st equation putting value of x in equation 2

x+3 = 4y+12

5y+3 = 4y +12

y = 9

so fred is 9 and mary is 45

5 0
3 years ago
I NEEED HEEELLLPP
cricket20 [7]

Answer:

c) T(−1, 3) ° Rotation,180°

Step-by-step explanation:

<u><em>Explanation:</em></u><em>-</em>

<em>First we will apply transformation is </em>

<em>Rotation of 180°  then we will apply transformation is changes  </em>

<em>(x,y) to (-x ,-y)</em>

<em>a)</em>

<em>Given vertex T(  2 ,2 )</em>

<em>T( 2 ,2 )→ T( -2 ,-2)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>T( -2 ,-2) → T¹ ( -2 -1 ,-2 +3)</em>

<u><em>The new vertex is  T¹ ( -3 ,1)</em></u>

<em>b)</em>

<em>Given vertex U(  4 ,2 )</em>

<em>U( 4 ,2 )→ U( -4 ,-2)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>U -4 ,-2) → U¹ ( -4 -1 ,-2 +3)</em>

<u><em>The new vertex is  U¹ ( -5 ,1)</em></u>

<em>c) </em>

<em>Given vertex R(  3 ,5 )</em>

<em>R( 3 ,5 )→ R( -3,-5)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>R( -3 ,-5) → R¹ ( -3 -1 ,-5 +3)</em>

<u><em>The new vertex is  R¹ ( -4 ,-2)</em></u>

<em>d) </em>

<em>Given vertex S(  1 ,3 )</em>

<em>S( 1 ,3 )→ S( -1 ,-3)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>S( -1,-3) → S¹ ( -1 -1 ,-3 +3)</em>

<u><em>The new vertex is  S¹ ( -2,0)</em></u>

<u><em></em></u>

<em></em>

<em></em>

<em></em>

<em></em>

<em></em>

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28x%5E%7B2%7D%20y%5E4%29%20%5E%7B-3%7D" id="TexFormula1" title="(x^{2} y^4) ^{-3}" alt="(x^{2
Ymorist [56]

Answer:

hi

Step-by-step explanation:

6 0
3 years ago
Simplify 3xy+5yz-2xy +3yz
Free_Kalibri [48]

Answer:

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like terms and then solve it

4 0
4 years ago
Read 2 more answers
What is 4 multiplied by 5 7/9 as a mixed number or fraction
Andrei [34K]
The answer is 23 and 1÷9

First you multiply 4 by 5 and wind up with 20
Then you multiply four by 7÷9.
That gets you 28÷9
You take out all the nines you can from 28, three in this case.
That gets you 27÷9 + 1÷9
Your total thing is 20+27÷9+1÷9
That equals 20+3+1÷9
That equals 23 and 1÷9
8 0
3 years ago
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