Answer:
021110321....1.12...1.1.631.6301
Step-by-step explanation:
You don't multiply liters of gasoline by distance.
They are<u> directly proportional </u>- the more gasoline you have the longer is the dictance you can go.
So it's <u>cross multiply</u>.
Another examlpe:
you are paid by hour for your work. The more hours you have worked, the more you are paid:
hours payment
2 h $36
5 h x
You would multiply 10•70 if they were inversely poportional values
For example:
1. speed and time of ride by given distance {the greater the speed the less time you need for a ride}
speed time
10 m/s 75 s
8 m/s x
2. price and kolos of apples - the higher the pice the less of kilos you can buy by given cash
price kilos of apples
$2 8
$4 x
How come it’s a right triangle, I think you do a2+b2=C2. Therefore, you do 9.4 times 9.4 and then 15.1 times 15.1. So it will be 9.4 + b2=15.1. 88.36+ b2=228.01. Then you subtract that and it will be 139.65. Then you do square roots because you are trying to get rid of the second power. And the final answer is 11.81736011. How they told you to round it to the nearest tenth, I will be 11.8. I think this is the answer.
Answer: (-6,-5)
Step-by-step explanation:
2x - 2y = -2 ............ equation 1
3x - y = -13 ................ equation 2
solving by substitution method
from equation 2 , make y the subject of the formula, we have
y = 3x + 13 .............. equation 3
substitute equation 3 into equation 1 , we have
2x - 2 (3x + 13 ) = -2
2x - 6x - 26 = -2
-4x - 26 = -2
-4x = -2 +26
-4x = 24
x = 24/-4
x = -6
substitute x = -6 into equation 3 to get the value of y , we have
y = 3(-6) + 13
y = -18 +13
y = -5
8.000.000 = 800 ten thousands
hope helped