Answer:
x+y =-6 you can write this equation
Answer:
(4,-2.5)
Step-by-step explanation:
first one is x cordination...it is under the 4
second one is Y cordination..its between -2 and -3
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Obtuse angle
Which is a angle between 90 and 180 degrees. Add all of them up you’ll get 105 which is in between 90 and 180.
To figure out the percentage you got correct, we need to set up fractional proportions.
We already have one fraction, 14/20.
Since we are looking for a percentage, we need to have a maximum total percentage that represents the total score.
100% is the maximum percentage for any total.
So we have our fractional proportions set;
14/20 : x/100
To solve for this, we need to cross multiply the numerator (top number) of one fraction by the denominator (bottom number) of the other fraction.
Let's try this!
14 • 100 = 1400
20 • x = 20x
Now that we have our products, set them as an equation.
20x = 1400.
To solve for x, we need to divide both sides by 20.
20x / 20 = x
1400 / 20 = 70.
You are left with:
x = 70.
Your answer is:
If you get 14/20 on a test, you would get 70% of the questions correct.
I hope this helps!
Answer:
2 and 6
Step-by-step explanation:
2+6=8. 6-2=4.