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aalyn [17]
3 years ago
7

Jenna’s method: Mia’s method: 5(30 + 4) 5(30 + 4) (5)(30) + (5)(4) 5(34) = 170 150 + 20 = 170 Explain why both Jenna and Mia arr

ived at the same answer and the advantage of one method over the other.
Mathematics
2 answers:
choli [55]3 years ago
6 0
Every single equation equals 170:
MIA
5(30+4) = 5(34) = 5 x 34 = 170
(5)(30) + (5)(4) = 5 x 30 + 5 x 4 = 150 + 20 = 170
5(34) = 5 x 34 = 170

JENNA
150 + 20 = 170

Jenna's method is the equation in its simplest form.  Addition that is easily understood.  While Mia's method is just as valid as Jenna's, some people may have trouble remembering the steps of multiplication within parentheses as well as being able to look at large multiplication problem such as 5x34 and automatically knowing the answer, or being able to get the answer, as fast as simple addition. 
d1i1m1o1n [39]3 years ago
5 0

Both methods multiplied 5 and 34, but Jenna’s method used the distributive property to simplify the multiplication so she could do the math mentally. Mia’s method would require more complex multiplication.

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elixir [45]

Answer:

<u><em>Measure of angle A is 27 7/9 degrees.</em></u>

Step-by-step explanation:

Lets call measure of angle A is <em><u>X-10</u></em>

Lets call measure of angle B is X

Lets call measure of angle D is 2.5X+20

We know that the sum of triangles add up to 180 degrees

X+X-10+2.5X+20=180

X=37 7/9

So measure of angle A is 27 7/9 degrees.

I hope this is right. :)

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What does 2^10/4^42 equal
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Answer:

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Step-by-step explanation:

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irina1246 [14]

Answer:

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2-39

3-141

Step-by-step explanation:

180-39=141

1 and 3 look the same size and 2 looks the same as c (39°) so you jsut fill in for the letters

I'm pretty sure this is right

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3 years ago
Are ratios 7/4 and 42/24 equivalent
babymother [125]

42/24 = 42/24 or 7/4 = 42/24 so yes

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Alenkasestr [34]

Answer:

the amount that Fidel now have in his checking account is $140.24

Step-by-step explanation:

The computation of the amount that Fidel now have in his checking account is shown below:

= Ending balance  - Opening balance

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Hence, the amount that Fidel now have in his checking account is $140.24

We simply applied the above formula so that the correct value could come

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