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stepladder [879]
3 years ago
7

Write two equivalent ratios.

Mathematics
1 answer:
vampirchik [111]3 years ago
6 0

Answer:

4 : [8]

[12]

5: [10]

[15]

Hope this helps

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A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the probability of a girl
Ugo [173]

Answer:

c. 0.75

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

We have the following sample space

That is, the possible outcomes.

I am going to call boys b and girls g

b - b - b

b - b - g

b - g - b

b - g - g

g - b - b

g - b - g

g - g - b

g - g - g

Total outcomes:

8 outcomes

What is the probability that they will have at least one boy and at least one girl?

Desired outcomes:

At least one boy and at least one girl

b - b - g

b - g - b

b - g - g

g - b - b

g - b - g

g - g - b

Six desired outcomes.

Probability

P = \frac{6}{8} = 0.75

The correct answer is:

c. 0.75

6 0
3 years ago
Given that line a is parallel to line b and that line c isparallel to line d, if m<13 = (12x – 22)° and m<14 = (9x – 29)°,
Neporo4naja [7]

Answer:

∠ 2 = 70°

Step-by-step explanation:

∠ 13 and ∠ 14 are adjacent angles and sum to 180° , then

12x - 22 + 9x - 29 = 180

21x - 51 = 180 ( add 51 to both sides )

21x = 231 ( divide both sides by 21 )

x = 11

Then

∠ 14 = 9x - 29 = 9(11) - 29 = 99 - 29 = 70°

∠ 7 = ∠ 14 = 70° ( Alternate angles )

∠ 2 = ∠ 7 = 70° ( Alternate angles )

7 0
3 years ago
Sin (7 pi/6) = ____?? Help
UkoKoshka [18]

Answer:

-0.5 or -1/2 or A

Step-by-step explanation:

180 degrees is Pi radians.  To find out what the measure is in the paranthesees, divide 180 by 6 and get 30.  Now multiply it by 7 to get 210.  The question is asking for the sin(210).  The sin of 210 is -0.5

7 0
3 years ago
the ratio of boys to girls in Ms.Smith`s class is 3 to 4.If there are 12 boys,how many girls are there?
Anvisha [2.4K]
The question says boys/girls = 3/4 so if there are 12 boys in the class you can say:
3/4 = 12/? 
and ? is the number of girls which is equal to:
? = 12*3/4 = 9 
so if there are 12 boys in the class we will have 9 girls in the class :)))
i hope this is helpful 
have a nice day
7 0
3 years ago
The center of circle is on the line y=2x and the line x=1is tangent to the circle at (1,6) find center and radius of the circle?
mr_godi [17]

Answer:

7898955

Step-by-step explanation:

W212W

5 0
3 years ago
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