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Kitty [74]
3 years ago
13

Juan bought a used bike from his uncle $20.6 each month for 2 years. What was the total amount Juan paid for the bike?

Mathematics
1 answer:
Serggg [28]3 years ago
8 0

Answer:

$494.40

Step-by-step explanation:

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3x + 10 >28 inequality
ratelena [41]

Answer:

x > 6

Step-by-step explanation:

Given

3x + 10 > 28 ( subtract 10 from both sides )

3x > 18 ( divide both sides by 3 )

x > 6

5 0
3 years ago
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1/8 convert to decimal
Hitman42 [59]

Answer:

.125

Step-by-step explanation:

4 0
3 years ago
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Find the discriminant and the number of real roots for this equation.
Margaret [11]

Our discriminant is 0 so, 4x^2 + 12x + 9 = 0 has one real root.

Option C is correct.

Step-by-step explanation:

we need to find the discriminant and the number of real roots for the following equation:

4x^2 + 12x + 9 = 0

The discriminant is found by using square root part of quadratic formula:

b^2-4ac

where b =12, a=4 and c=9

Putting values:

=b^2-4ac\\=(12)^2-4(4)(9)\\=144-144\\=0

To find out the number of real roots using discriminant we have following rules:

  • if discriminant b^2-4ac >0 then 2 real roots
  • if discriminant b^2-4ac =0 then 1 real root
  • if discriminant b^2-4ac <0 then no real roots

Since our discriminant b^2-4ac is 0 so, 4x^2 + 12x + 9 = 0 has one real root.

Option C is correct.

Keywords: discriminant

Learn more about discriminant at:

  • brainly.com/question/8196933
  • brainly.com/question/9328925
  • brainly.com/question/4853862

#learnwithBrainly

6 0
3 years ago
Describe what this food chain shows
nataly862011 [7]

Answer:

Food chain shows how energy transferred from one living organ to another via food. most important to learn how food chain works so that we know what are the important living organisms that make up the food chain and how ecology is balanced

6 0
3 years ago
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Complete the proof.....
Zigmanuir [339]

Answer:

Step-by-step explanation:

From the given attachment to the question, the following can be deduced.

1. M is the midpoint of GH, given that M is the definition of midpoint.

2. GM ≅ MH, given that x = 2. So that,

GM = 5x = 5(2)

      = 10

MH = 3x + 4 = 3(2) + 4

      = 10

Thus, GM ≅ MH

3. GM = MH is the definition of congruence. This implies that they are similar.

4. 5x = 3x + 4, by substitution property of equality.

Since, x = 2 then;

5(2) = 3(2) + 4

10 - 10

5. 2x = 4, given that x = 2.

6. GH = GM + MH, by division property of equality.

3 0
3 years ago
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