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ICE Princess25 [194]
3 years ago
5

Solve each quadratic equation. Show your work. 14. (2x – 1)(x + 7) = 0

Mathematics
2 answers:
melisa1 [442]3 years ago
5 0
<span>(2x – 1)(x + 7) = 0

2x-1=0
2x=1
x=1/2
x=0.5

x+7=0
x= -7
</span>
ahrayia [7]3 years ago
5 0
Solve your equation step-by-step.

(2x−1)(x+7)=0

Simplify both sides of the equation.

2x2+13x−7=0

Factor left side of equation.

(2x−1)(x+7)=0

Set factors equal to 0.

2x−1=0 or x+7=0

x=1/2 or x=−7

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Answer:$728

Step-by-step explanation:

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3 years ago
Idk what it is asking.
Oksi-84 [34.3K]

Answer:

Jumbo burger with fried is 75%

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3 years ago
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The measure of angel a is one half the measure of angle c. The measure of angle B is 90 find the measure of angel a
rosijanka [135]

Note: This is the answer if you are talking about a triangle because you didn't specify that.

A=30°

I'm going to assume this is a triangle so if I'm wrong tell me in the comments. If it is a triangle all the angles should add up to 180 degrees. We already know that one is 90 so the other two angles have to add up to 90 (since 90+90=180). C is twice as much as A. So 1/3 of 90 is A and 2/3 of 90 is C. <em>A would be 30°</em>. In summary A=30° B=90° C=60°. Hopefully I understood your question correctly and this helped you. Also sorry it took a while to answer.

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slavikrds [6]

Answer:

8.31m

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7 0
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