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mrs_skeptik [129]
2 years ago
10

A box contains 20 balls, of which are white. If the probability of selecting a non-white

Mathematics
1 answer:
Delicious77 [7]2 years ago
4 0

Answer:

if a box contains 20 balls in which all are white then the probability of selecting non white is 0

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Please Help I Don't Undertand.
frozen [14]

If triangles AMN and ABC are similar, then

AM/AB = AN/AC

or

AM/(AM + MB) = AN/(AN + NC)

Check if this is true:

AM/AB = 21/(21 + 9) = 21/30 = 7/10

AN/AC = 14/(14 + 6) = 14/20 = 7/10

The angle at vertex A is common to both of the triangles.

Then by the side-angle-side (SAS) similarity theorem, the triangles are indeed similar.

4 0
1 year ago
Lisa reads 1/2 of a 200 page book
alexgriva [62]

Answer: 24 days

Step-by-step explanation:

Takes her 4 days to read 1/2 of a 200 page book, or 100 pages.

4 days = 100 pages

X days = 600 pages

24 days = 600 pages

6 0
3 years ago
I need help with problems 14-15.
oee [108]

For 14, the answer is >. You inversed it. You are right about question 15.


7 0
3 years ago
I have no clue how to do these, help?:)
stepan [7]

Step-by-step explanation:

10.Next=now+10 starting at-43

11.Next=now+8 staring at 45

12.Next=now+starting at 46

6 0
3 years ago
Angelica is currently 13 years old she is 2 years older than her brother. Write an equation to represent the situation.Solve ur
sdas [7]

Answer:

Therefore,

x+2=13 .......Equation

Angelica's Brother's age is 11 years old.

Step-by-step explanation:

Given:

Let the current age of Angelica's Brother be 'x' years old

Angelica's current age is 13 years old,

According to given condition,

Therefore the Equation will be,

x+2=13

On solving this equation we get

x=13-2=11\\\\x=11\ years

Therefore,

Angelica's Brother's age is 11 years old.

Therefore,

x+2=13 .......Equation

Angelica's Brother's age is 11 years old.

6 0
3 years ago
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