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3 years ago

Can someone help me please.

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

5 0

The first fraction is 7/10.
The second bag has the same probability as the top so just copy the fractions into the boxes.
To calculate the probability of the same colour being chosen you follow these steps.
P(RR) = 3/10 x 4/9 = 12/90
P(GG) = 7/10 x 5/9 = 35/90
Then add the two fractions.
12/90 + 35/90 = 47/90
The last box is 47/90.

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

5x – 7y= 16 2 + 7y = 8. what is x?

valentina_108 [34]

Answer:

x=45/6

Step-by-step explanation:

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7=7. y=6\7

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5x-7(6/7)=16

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3 years ago

Can someone plz help me solve this problem I need help plz someone help me!

cestrela7 [59]

Answer: 25 < P < 36

15/4 < w < 26/4

35/4 < L < 46/4

Step-by-step explanation:

Perimeter is BETWEEN 25 and 36

25 < P < 36

Graph: O--------------O

25 36

Perimeter = 2L + 2w ; substitute L = w + 5

25 < 2(w + 5) + 2w < 36

25 < 2w + 10 + 2w < 36

25 < 4w + 10 < 36

15 < 4w < 26

$\dfrac{15}{4}$ < w < $\dfrac{26}{4}$

$3\dfrac{3}{4}$ < w < $6\dfrac{1}{2}$

Graph: O------------------------O

$3\dfrac{3}{4}$ $6\dfrac{1}{2}$

Perimeter = 2L + 2w ; L = w + 5 --> w = L - 5

25 < 2L + 2(L - 5) < 36

25 < 2L + 2L - 10 < 36

25 < 4L - 10 < 36

35 < 4L < 46

$\dfrac{35}{4}$ < L < $\dfrac{46}{4}$

$8\dfrac{3}{4}$ < L < $11\dfrac{1}{2}$

Graph: O------------------------O

$8\dfrac{3}{4}$ $11\dfrac{1}{2}$

Note: Make sure you use OPEN dots when graphing.

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