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ryzh [129]
3 years ago
10

Evaluate each expression if a = 12, b = 9, and c = 4.

Mathematics
1 answer:
Vinil7 [7]3 years ago
7 0

Answer:

168

Step-by-step explanation:

2c(a+b) = 2 . 4 . (12 + 9) = 2 . 4 . 21 = 8 . 21 = 168

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Ellie has a points card for a movie theater. She receives 50 rewards points just for signing up. She earns 10.5 points for each
Alika [10]

Answer:

14 visits

Step-by-step explanation:

According to the scenario, calculation of the given data are as follows,

Signup rewards = 50 points

Each visit reward = 10.5

Total points needed = 190

Let, number of visits = x

So, we can calculate number of visits by using following formula,

50 + (10.5 × X) = 190

10.5X = 190 - 50

10.5X = 140

X = 140 ÷ 10.5

X = 13.33 or 14 visits.

Hence, she needs to make 14 visits in order to earn a free movie ticket.

7 0
3 years ago
A figure with 6 edges.<br> How many edges does this figure have?<br><br> It has <br> edges.
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Hexagon has six edges. The figure you're trying to figure out is hexagon I guess.

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6 0
3 years ago
Help me plz I would really appreciate it!
LenKa [72]
  • Given,
  • x =  \frac{7}{9}  \:  \:  \: y =  \frac{5}{6}   \\  \\   - 2y + x \\  =  - 2( \frac{5}{6} ) +  \frac{7}{9}  \\  =  -  \frac{5}{3}  +  \frac{7}{9}  \\  =   \frac{ - 15 + 7}{9}  \\  =  \frac{ - 8}{9}

Hope you could get an idea from here.

Doubt clarification - use comment section.

7 0
2 years ago
Remember to simplify your answer (make improper fractions mixed numbers) 3 : 4. 5 ​
AleksandrR [38]

Answer:

1:1.5

Step-by-step explanation:

i dont know if thats the answer u want but ye

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3 years ago
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