75.2515 rounded to the tenth place is 80 Is this right??
2 answers:
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The total profit received for all mobile phone manufacturers for all carriers was 1.54 billion
Step-by-step explanation:
Given,
Profit received = 32%
Total profit received = $4.8 billion
Amount of profit received for mobiles = 32% of total profit
Amount received =
Amount received =
Amount received = 1.536 billion
Rounding off
Amount received = 1.54 billion
The total profit received for all mobile phone manufacturers for all carriers was 1.54 billion
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Answer:
Step-by-step explanation:
We'll call the 2 numbers x and y. Starting with the last part of that first sentence "one number is 10 times the other number" can be written, in algebraic form:
y = 10x
Now on to the first statement about the numbers: "twice their sum" is 2(x + y) and "equals their product" is = xy. Putting that all together:
2(x + y) = xy and we know that y = 10x so
2(x + 10x) = x(10x) and
and
and
x(10x - 22) = 0 so
x = 0 or 10x - 22 = 0 which makes
x equal to
So x = 2.2 and y = 22.