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3 years ago

3. Because h= b/2 we know that b =

Mathematics

1 answer:

Veronika [31]3 years ago

8 0

Answer:

2 × h

Step-by-step explanation:

h = b ÷ 2 (multiply both sides by 2)

2 × h = b ÷ 2 × 2

2 × h = b

b = 2 × h

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Licemer1 [7]

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3 years ago

1.Your muscles make up about 40 percent of your overall mass. What is the mass of a person whose total body mass is 60kg?

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3 years ago

Factor the four-term polynomial ab + ac - 4b - 4c

Troyanec [42]

A b + a c - 4 b - 4 c = a ( b + c ) - 4 ( b + c ) =
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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Add. (3b + 5) + (2b + 4)

zaharov [31]

Answer:

$\huge{ \fbox{ \sf{5b + 9}}}$

Step-by-step explanation:

$\star{ \text{( \: 3b + 5) + (2b + 4)}}$

$\text{Step \: 1 \: : \sf{Remove \: the \: unnecessary \: parentheses}}$

$\text{When \: there \: is \: a \: ( + ) \: in \: front \: of \: an \: expression \: in \: parentheses \:, there \: is \: no \: need \: to \: change \: the \: sign \: of \: each \: term \: in \: the \: expression.}$

$\text{That \: means, \: the \: expression \: remains \: the \: same. \: Just \: you \: have \: to \: remove \: the \: parentheses.}$

$\mapsto{ \sf{3b + 5 + 2b + 4}}$

$\text{Step \: 2 \: : Collect \: like \: terms.}$

$\text{Like \: terms \: are \: those \: which \: have \: the \: same \: base.}$

$\mapsto{ \sf{3b + 2b + 5 + 4}}$

$\mapsto{ \sf{5b + 5 + 4}}$

$\text{ Step \: 3 \: : \sf{Add \: the \: numbers : 5 \: and \: 4}}$

$\mapsto{ \boxed {\sf{ {5b + 9}}}}$

Hope I helped!

Best regards! :D

~ $\sf{TheAnimeGirl}$

4 0

3 years ago