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HACTEHA [7]
3 years ago
7

Find the solutions of the quadratic equation –9x2 + 49 = 0.

Mathematics
1 answer:
stich3 [128]3 years ago
7 0

Answer:

x=49/18

Step-by-step explanation:

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I went to a restaurant and gave the waitress a $15 tip. If the tip was 20% of the dinner how much was the dinner?
prohojiy [21]

Answer:

Dinner only: $75

Dinner and Tip: $90

Step-by-step explanation:

If the tip was $15, and the tip was 20% of the price of dinner, then dinner was $75.

You can find this out by doing 15/20%, which should give you 75.

If the question requires you to add up the price of dinner and the tip, then the total price would be $90

7 0
3 years ago
1.2x-4y=28 solve for y
Gnesinka [82]
2x -4y= 28
⇒ -4y= 28 -2x
⇒ y= (28 -2x)/ (-4)
⇒ y= 28/(-4) -(2x)/ (-4)
⇒ y= -7 + 1/2x

The final answer is y= -7 + 1/2x~
4 0
3 years ago
Is 5/7 greater than 1/8?
slamgirl [31]
1/8 is greater because say you have 1/8 of a pizza you will get a bigger piece but if you had 5/7 it will be be 5 tiny pieces. so 1/8 is greater than 5/7
6 0
3 years ago
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SCORPION-xisa [38]

Answer:

81 degrees

Step-by-step explanation:

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Use AAS to prove the triangles congruent..........
andriy [413]
Hey there, 29levelupchaye2!

Angles B and G are congruent because they are alternate interior angles since they are in between two parallel lines.

Angles ACB and HFG are congruent because they are alternate exterior angles since they are both outside two parallel lines cut by a transversal.

Thank you for using Brainly.
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