To factorise this quadratic, you need to find two numbers that add together to give -8 but also multiply to give 15. These two numbers can be identified as -3 and -5 as -3-5=-8 and -3×-5=15. Therefore, the factorised form is (x-3)(x-5). To find the solutions, write (x-3)(x-5)=0. Deal with each bracket individually:
x-3=0
x=3
x-5=0
x=5
So the two solutions are 3 and 5.
Answer:
X= 28 degree angle.
Step-by-step explanation:
If you add 85 +67, you get 152. Triangles' total degree sum up to 180. SImply subtract 152 from 180 and you get 28.
Hope this helps!
.026 because 2.6%*100 is 0.026
The second one, K
-15
because, for us to get a positive number in a fraction, when the denominator in negative, the numerator must also be negative.
so, -15, or anything less than -15 (when put into the numerator) will be equal to or greater than 3
Hope this helps!:)
Answer:
Each person paid $24.
Step-by-step explanation:
1. Find 20% of 40. Since 20% is equal to 1/5, we can divide 40 by 5 to get 8. Together they tipped $8.
2. We know that the total amount they paid was $48, so we divide that in half to get the answer. 48 divided by 2 is 24.