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kogti [31]
3 years ago
5

Please help it is TIMED.

Mathematics
2 answers:
Sergio039 [100]3 years ago
8 0

Answer

A cuz b and c make zero sense


lions [1.4K]3 years ago
4 0

Answer:

message it will be easy er to explain

Step-by-step explanation:


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Zoey needs at least $30 to buy a gift. She has $12. Which inequality could Zoey use to find out how much more money (m) she need
melisa1 [442]

Answer:

The answer is C

Step-by-step explanation:

She only could use 30 ≤ 12 + m to solve for how much more money she needs. m > 18

4 0
3 years ago
Help please
kifflom [539]

Answer:

1. false

2. false

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Step-by-step explanation:

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3 years ago
Using the discriminant, describe the nature of the roots for the equation <br> 49x^2 − 28x + 4 = 0.
scZoUnD [109]

Answer:

Put the equation in standard form by bringing the 4x + 1 to the left side.

7x2 - 4x - 1 = 0

We use the discriminant to determine the nature of the roots of a quadratic equation. The discriminant is the expression underneath the radical in the quadratic formula: b2 - 4ac.

b2 - 4ac In this case, a = 7, b = -4, and c = -1

(-4)2 - 4(7)(-1)

16 + 28 = 44

Now here are the rules for determining the nature of the roots:

(1) If the discriminant = 0, then there is one real root (this omits the ± from the quadratic formula, leaving only one possible solution)

(2) If the discriminant > 0, then there are two real roots (this keeps the ±, giving you two solutions)

(3) If the discriminant < 0, then there are two imaginary roots (this means there is a negative under the radical, making the solutions imaginary)

44 > 0, so there are two real roots

4 0
3 years ago
What three that are equivalent to 4:3.
stich3 [128]
Three that are equivalent are 12:9 8:6 28:21
5 0
3 years ago
Any help will be great!
son4ous [18]

Answer:

180

Step-by-step explanation:

75% times 240 would be 180

6 0
3 years ago
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