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klio [65]
4 years ago
10

Find the sum. 13(9−6m)+14(12m−8) =

Mathematics
1 answer:
allochka39001 [22]4 years ago
7 0

Answer:

5+90m

Step-by-step explanation:

117 - 78m + 168m - 112


117- 112 = 5

-78m + 168m= 90m


5+90m

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Aaron buys postcards while he is on vacation.it costs $0.28 to send one postcard. Aaron wants to buy 14 postcards.how much will
Nana76 [90]
It costs $3.92 to send all 14 postcards. Or is this a trick question.
5 0
4 years ago
Explain how to decide which is a better value. 4 greeting cards for $10 and 6 greeting cards for $14.
xxMikexx [17]

Answer:

I dont know if this is supposed to be solved a certain way for a class, but as a bargain shopper, this is what I would do to figure out the best value.

Step-by-step explanation:

First divide $10 by 4:   10.00/4=2.5 or $2.50 per card

Then, divide $14 by 6:  14.00/6=2.3333333 so about $2.33 per card

Now, just look at the two answers and see which one is less.

If you buy 4 cards for $10, you will pay $2.50 for each card and if you buy 6 cards for $14, you will pay about $2.33 for each card. Therefore, the better value would be the 6 cards for $14.

6 0
3 years ago
How can you evaluate this expression using the distributive property?<br> 5×(7+6)
Sveta_85 [38]

Answer:

35+30=65

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Mark scored 3
TEA [102]

Answer:

15

Step-by-step explanation:

2 times 4 is 8 minus 2 equals 6- Nia's Score

2 times 6 is 12 plus 3 equals 15- Mark's Score

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4 0
3 years ago
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Give the slope intercept form of the equation of the line that is perpendicular to -4x -8y = 10 and contains P(-8, -4)
artcher [175]

Answer:

y = 2x + 12

Step-by-step explanation:

Get the standard form equation into y = mx + b form.

Then, use the recipricol of the m value to get the slope for the perpendicular line.

Then, plug in the point and solve for the b value.

Work :

y = -1/2x-5/4

Perpendicular line slope : 2

y = 2x + b

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-4 = -16 + b

b = 12

y = 2x + 12

6 0
3 years ago
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