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Svetach [21]
3 years ago
5

Please answer and show all the work. I really need the help. Thank you so much.

Mathematics
2 answers:
stich3 [128]3 years ago
7 0
The first one is 600 grams because the book is equivalent to the amount on the other side which is 600 grams
zubka84 [21]3 years ago
4 0
Number 10 is D. Hope that helped a little burn :)
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Ms. Owens has some pencils . She give 5 of them away. Now she has 13 pencils left. How many pencils did she start with?
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Answer:

18 pencils

Step-by-step explanation:

she had 18 minus 5= 13 hope this helps

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Write as an expression and simplify:
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Answer:

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(a+b)\times{(a-b)}\\=a^2-b^2

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Here is your answer for part A .06 and .006
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3 0
3 years ago
From families with four children a family is chosen at random. Let X be the number of boys in the family. Calculate and sketch t
alisha [4.7K]

Solution :

Given :

X = the number of boys in a family of four children

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The gender distribution in the four child family are equally probable.

Thus,

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0             ^4C_0 (1/2)^{4}        = 1/16                     \frac{1}{16}

1               ^4C_1 (1/2)^{4}       = 1/4                       \frac{5}{16}

2                ^4C_2 (1/2)^{4}      = 3/8                      \frac{11}{16}

3                ^4C_3 (1/2)^{4}      = 1/4                       \frac{15}{16}

4                  ^4C_4 (1/2)^{4}    = 1/16                      1

4 0
3 years ago
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