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dolphi86 [110]
2 years ago
7

Subtract. Use models if needed. (12x + 3) – (2x + 10)

Mathematics
2 answers:
Galina-37 [17]2 years ago
4 0
1.)combine like terms: 12-2x=10x 3-10=-7

10x-7
Serhud [2]2 years ago
4 0

Answer:

A. 10x – 7

Step-by-step explanation:

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Can i get your help please <br> Simplify: 176/14
erastova [34]

Answer:

12\frac{8}{14} or 12.57

Step-by-step explanation:

12\frac{8}{14} or 12.57

4 0
2 years ago
Read 2 more answers
82.8cm measured to the nearest tenth of a centimetre.
RoseWind [281]

Answer:

82.8 cm measured to the nearest tenth of 80cm.

6 0
2 years ago
Emily went to the movie theater for her birthday. A mix of adults and children attended, making a total of 22 people. Each adult
viktelen [127]

Answer:

13 children and 9 adults if the total cost is $152.5

Step-by-step explanation:

Let x children and y adults

x + y = 22 (1)

5.5x + 9y = 125.5 (2)

y = 22 - x

5.5x + 9(22 - x) = 125.5

5.5x + 198 - 9x = 125.5

-3.5x = 125.5 - 198

-3.5x = -72.5

x = 20.7

y = 22 - x = 1.3

Which is not possible

If the total cost is $152.5

x + y = 22 (1)

5.5x + 9y = 152.5 (2)

y = 22 - x

5.5x + 9(22 - x) = 152.5

5.5x + 198 - 9x = 152.5

-3.5x = 152.5 - 198

-3.5x = -45.5

x = 13

y = 22 - 13 = 9

3 0
3 years ago
HURRY HURRY HELP MEeeeee
melisa1 [442]

Answer:

dividing by 100

Step-by-step explanation:

6 0
2 years ago
Divide £50 in the ratio of 1:4
NikAS [45]
Answer=10:40


Explanation:

Don’t know how to type the symbol in font of the 50 so I will substitute
£50=$50

So 1:4
Add it up
1+4=5

So 5 total units
$50=5
Divided by 5
$10=1 units

So 1:4=10:10 times 4=10:40
6 0
3 years ago
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