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Bad White [126]
3 years ago
11

their are 10 boxes in a grab bag .the box are identical except that 7 of them contain 20$ bills . that is the probability of get

ting two 20$ bills?
Mathematics
1 answer:
romanna [79]3 years ago
5 0
7/10 or 70% is the correct answer
You might be interested in
If AD is the altitude to BC, what is the slope of AD?
anygoal [31]

Answer:

Option (C)

Step-by-step explanation:

If AD is the altitude to BC, both the segments AD and BC will be perpendicular to each other.

By the property of perpendicular lines,

m_1\times m_2=-1

where m_1 is the slope of the line AD and m_2 is the slope of BC.

m_2=\frac{y_2-y_1}{x_2-x_1}

     =\frac{8+2}{3-7}

     =-\frac{5}{2}

Now from the given property,

m_1\times (-\frac{2}{5})=-1

m_1=\frac{5}{2}

Therefore, slope of altitude BC = \frac{5}{2}

Option (C) will be the answer.

3 0
3 years ago
What is the answer to 6x^2+17x+12=0 pls help me and I will help you back
Rina8888 [55]

Answer:

x=−4/3 or x=−3/2

Step-by-step explanation:

Let's solve your equation step-by-step.

6x2+17x+12=0

Step 1: Factor left side of equation.

(3x+4)(2x+3)=0

Step 2: Set factors equal to 0.

3x+4=0 or 2x+3=0

x=−4/3 or x=−3/2

4 0
3 years ago
Use substitution to solve the system of equation<br><br> x=y+6<br> x+y=10
DiKsa [7]
X = 8
Y = 2 Your welcomeeeeee
6 0
3 years ago
Read 2 more answers
When a fridge is imported, a customs value of 10% must be paid for its value. If the value of the fridge after paying the custom
Akimi4 [234]

Answer:

55000×100/90

61,111.111

3 0
2 years ago
Need help on the last problem please.
pshichka [43]

Answer:

6 of x and 5 of y

Step-by-step explanation:

x = number of closets of the first type

y = number of closets of the second type

1200 = 100x + 120y

100 = 10x + 8y

10x = 100 - 8y

10x(100 - 8y) + 120y = 1200

1000 - 80y + 120y = 1200

40y = 200

y = 5

100 = 10x + 8×5 = 10x + 40

60 = 10x

x = 6

20x + 24y = max

20×6 + 24×5 = 120 + 120 = 240

6 0
3 years ago
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