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serg [7]
3 years ago
11

What is the area, in square units, of the shaded region? (nearest tenths place)

Mathematics
1 answer:
wariber [46]3 years ago
7 0

Answer:

169.6

Step-by-step explanation:

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Chase has 3 gallons of a solution that is 30% antifeeze that he wants to use to winterize his car. How much pure antifreeze shou
makvit [3.9K]

Let  x gallons be the amount of pure antifreeze that should be added to the 30% solution to produce a solution that is 65% antifreeze. Then the total amount of antifreeze solution will be x+3 gallons.

There are 30% of pure antifreeze in 3 gallons of solution, then

3 gallons - 100%,

a gallons - 30%,

where a gallons is the amount of pure antifreeze in given solution.

Mathematically,

\dfrac{3}{a}=\dfrac{100}{30},\\ \\a=\dfrac{3\cdot 30}{100}=0.9\ gallons.

Now in new solution there will be x+0.9 gallons of pure antefreeze.

x+3 gallons - 100%,

x+0.9 - 65%

or

\dfrac{x+3}{x+0.9}=\dfrac{100}{65},\\ \\65(x+3)=100(x+0.9),\\ \\65x+195=100x+90,\\ \\35x=105,\\ \\x=3\ gallons.

Answer: he should add 3 gallons of pure antifreeze.

8 0
3 years ago
Evaluation the expression using a model 2/3 dived by 1/2.
m_a_m_a [10]

Answer:la respuesta es 8/0

Step-by-step explanation:

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3 years ago
The rectangle below has an area of 81-x^281−x
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1

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1x1

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If you were given the function y=4x-3 and you had to find the Range, given the Domain: (1,3,5,7)
AysviL [449]

Answer:

option 4

Step-by-step explanation:

y = 4x-3

y = 4(1)-3

y = 1

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y = 17

y = 4(7)-3

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3 years ago
Whats the difference between a sequence and a series?
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A sequence is defined as an arrangement of numbers in a particular order. On the other hand a series is defiend as the sum of the elements of a sequence!

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