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kupik [55]
3 years ago
9

solve the following quadratic equation by completing the square. if you need to round to the nearest tenth. x² - 20x = -75

Mathematics
1 answer:
lesantik [10]3 years ago
5 0
The Answer should be either x=15 or x=5 I got both.
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Show your work<br> 2) Is(-3,-7) a solution to<br> 4x – 8y &lt; 24<br> Show your work
asambeis [7]

Answer: false, 44 is not less than 24

Step-by-step explanation:

Substitute-3 for x and -7 for y.

4(-3)-8(-7)<24

-12+56<24

44<24

3 0
4 years ago
ILL MARK BRAINLIEST HELP!!!!
stepan [7]

Answer:

30

Step-by-step explanation:

let EFH = x

Let GFH = y

x + y = 90

x = 2y

Substitute: 2y + y = 90

3y = 90

y = 30

5 0
3 years ago
Please help I’m very confused
KATRIN_1 [288]

Hello! The interquartile range would be 5°

You must subtract Quartile one from quartile 3 to find iqr

3 0
4 years ago
What is 3 divided by 6 Keep change flip?
marin [14]

Step-by-step explanation:

Multiply by the reciprocal, also sometimes referred to as "Keep, Change, Flip." Here is how it works. You rewrite the division question as a multiplication question by flipping the second fraction over. Next, keep the first number, change the division to multiplication and then flip the second fraction over.

7 0
3 years ago
Help me plss!!!!!!!!!!​
Westkost [7]

Answer:

You just take the product of 0.2 and 0.6. The answer is 0.12 miles.

6 0
3 years ago
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