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asambeis [7]
3 years ago
14

A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag, if at least one

black ball is to be included in the draw?
Mathematics
1 answer:
Mandarinka [93]3 years ago
6 0

Answer: 96

Step-by-step explanation:

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14 bugs are crawling on the steps. Some of the bugs are black, and 4 are
docker41 [41]

Answer:

b  = 14-4

Step-by-step explanation:

Let the number of black bugs be b

Let the number of green bugs be g

If 14 bugs are crawling on the step, then;

b + g = 14 ....1

If there are 4 green bugs, then g = 4

Substitute g = 4 into the equation

b + g = 14

b + 4 = 14

b = 14 - 4

Hence the sentence that can be required to find the number of black bugs is b  = 14-4

8 0
3 years ago
Hello! Please Help Its just one simple Question ^^
Flura [38]

\\ \sf\longmapsto f(x)=112-kx

  • f(-3)=121

Put -3 in f(x)

\\ \sf\longmapsto f(-3)=121

\\ \sf\longmapsto 112-k(-3)=121

\\ \sf\longmapsto 112+3k=121

\\ \sf\longmapsto 3k=9

\\ \sf\longmapsto k=3

4 0
2 years ago
If c(x) = 4x – 2 and d(x) = x^2 + 5x, what is (c * d) (x)?
anyanavicka [17]

Answer:

(4x - 2)(x^2 + 5x)

4x^3 + 20x^2 - 2x^2 - 10x

4x^3 + 18x^2 - 10x

Step-by-step explanation:

7 0
3 years ago
Estimate 12.59 _ 7.68 to the nearest whole number​
slega [8]

Answer:

13_8

Step-by-step explanation:

if the first number in the decimal is 5 or up then you round up if its 4 or less you round down meaning it would be 13 and 8

8 0
3 years ago
Which of the following can be used to show that these triangles are congruent?
Illusion [34]
A
The hidden information is that angleACB is equal to angle DCE
Brainliest pls!
8 0
2 years ago
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