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disa [49]
3 years ago
14

Solve by completing the square. ​ x2+12x+4=0 ​​​​​​​

Mathematics
1 answer:
Vitek1552 [10]3 years ago
3 0

Answer:

Step-by-step explanation:

2x+12x+4=0

14x+4=0

14x=-4

 x= -4/14

 x=-2/7

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Answer:

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3 years ago
komal went on vacation and bought three shirts for $11.21 each she paid $2.40 for a keychain and $6.47 for a mug. she also spent
mash [69]

The total amount of money which komal spent during her vacation is

$65.67

Given, Komal bought 3 shirts for $11.21 each.

She also spent her money on a keychain for $2.40 and a mug for $6.47.

After that she spent $23.17 for getting her picture developed.

How much in total she spend her money = ?

Money spent on shirts:

Cost for one shirt =  $11.21

cost for three shirts = 3 × 11.21

= $33.63

Now add the amount of all the items Komal bought for herself.

Total money spent = cost price of shirts + cost price for a keychain + cost price for a mug + cost price for getting a picture developed.

Total money spent = 33.63 + 2.40 + 6.47 + 23.17

Total money spent = $65.67

Hence the total money Komal spent is $65.67.

learn more about Solving expressions here:

brainly.com/question/4344214

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5 0
2 years ago
This is my very first trig problem and I'd like to know how to tackle this. Please explain how I can do problems like these in t
Paha777 [63]

\tan(50°)  =  \frac{QR}{PQ} \Leftrightarrow QR = PQ \tan(50°) = 8.1 \tan(50°) \approx9.65 \\  \cos(50°)  =  \frac{PQ}{PR} \Leftrightarrow PR =  \frac{PQ}{\cos(50°)}  = \frac{8.1}{\cos(50°)} \approx12.6

5 0
3 years ago
Max is training for a marathon. He runs 2 laps per minute. How many laps can he run in 8 minutes?
muminat

16 laps

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6 0
3 years ago
If a ladder reaches 10 feet up on a wall while the base is 3 feet away how tall is the ladder
Artyom0805 [142]

Answer:

Side a = 10.44031

Side b = 10

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Angle ∠B = 73.301° = 73°18'3" = 1.27934 rad

Angle ∠C = 16.699° = 16°41'57" = 0.29146 rad

4 0
3 years ago
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