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sattari [20]
3 years ago
8

7+2[3(x+1) -2 (3x-1)]

Mathematics
1 answer:
olganol [36]3 years ago
5 0
7+2[3(x+1) -2 (3x-1)]

= 7 + 2(3x + 3 - 6x + 2) ...expand by using distributive property
= 7 + 2(-3x + 5) .....combine like terms
= 7 - 6x + 10...expand by using distributive property
= -6x + 17 ...simplify

hope it helps
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there are 28 tables in the cafeteria.each table has 12 students sitting at it.fourth graders sit at 13 of the yables.fifth grade
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6 0
3 years ago
In their last game, the school football team scored an equal number of points in each of the first three quarters, then 14points
Ksenya-84 [330]

Answer:

10 points

Step-by-step explanation:

Points scored in each of the first 3 quarter = x

Total points scored in the first 3 quarter = x + x + x

= 3x

Points scored in the fourth quarter = 14

Total points scored = 44 point

Total points scored = Total points scored in the first 3 quarter + Points scored in the fourth quarter

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44 = 3x + 14

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Divide both sides by 3

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7 0
3 years ago
Mariam and Sana are excited that a new store just opened in town! They go together the first day it opens! Each time Mariam goes
Vadim26 [7]

Answer:

Mariam went to the store 5 times, while Sana went 3 times.

Step-by-step explanation:

Since Mariam and Sana are excited that a new store just opened in town, and they go together the first day it opens, and each time Mariam goes to the store she plans to spend Rs. 30, and each time Sana goes to the store she plans to spend Rs. 50, and a few weeks from now, Mariam and Sana are surprised to find out that they have spent the exact same total amount of money at the store, to determine what is the least possible number of times that Mariam has been to the store the following mathematical reasoning has to be done:

To know how many times Mariam went and how many times Sana went to the store, since she spends Rs. 30 and the other Rs. 50, and they have spent the same after a few weeks, it is through the search for the lower common multiple of both numbers.

Thus, the common multiple less than 30 and 50 is 150 (30 x 5 or 50 x 3). Therefore, Mariam went to the store 5 times, while Sana went 3 times.

8 0
3 years ago
Equivalent ratio for 10/24<br><br><br> PLEASE NOW HURRY
Luden [163]

Step-by-step explanation:

fraction 10/24

you want the ratio

answer is 5:12

if you want the explanation look below

Step One: Reduce the fraction

10/24

=

5/12

Step Two: Rewrite as a ratio

5/12 = 5 : 12

6 0
3 years ago
Read 2 more answers
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