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1 answer:
Answer:
D. =
Step-by-step explanation:
You have to make sure that the proportions of both figures are matched correctly. These are the pairings:
AB is like VW but bigger.
CB is like XW but bigger.
AE is like VZ but bigger.
CD is like XY but bigger.
ED is like ZY but bigger.
Thus, the only correct comparison would have been =
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Answer:
897 liters
Step-by-step explanation:
The motor oil is composed of 8 liters of natural oil and 5 liters of synthetic oil. This means there is a ratio of 8/5. We have 552 liters of natural oil to y liters of synthetic. This is the ratio 552/y. Create a proportion that compares the two ratios.
Solve by cross multiplying.
8y = 5(552)
8y = 2,760
y= 345
345 liters of synthetic oil.
Together 552+345= 897 liters of motor oil.
Answer:
The treatment decays by half each week.
Step-by-step explanation:
The decay function is given by:
Here,
<em>y</em> = final value
<em>a</em> = initial value
<em>r</em> = decay rate
<em>t </em>= time
The decay function for one medications to treat dogs for fleas is:
Here the decay rate is:
The treatment decays by half each week.