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ehidna [41]
3 years ago
14

Why was it important to establish the Clean Air Act? Select three options.

SAT
2 answers:
Ipatiy [6.2K]3 years ago
8 0
The answers are one four and five
Dafna1 [17]3 years ago
5 0

Answer:

The answer is 1,4 and 5.

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Among all pairs of numbers whose difference is 14 find a pair whose product is as small as possible
zvonat [6]

The pair two numbers whose difference is 14 and the product is as small as possible (i.e. -49) are (-7,7)

<h3>What are word problems?</h3>

In mathematical concepts, word problems involve a crucial understanding of the problem and knowing which mathematical method and arithmetic operations are best suited to solving the problem.

If we assume that the smaller number should be = a and the larger number = a + 14.

Thus, their product (X) can be expressed as:

= a(a+14)

= a² + 14a

The smallest possible value implies the minimum value, i.e.

\mathbf{\dfrac{dX}{da} = 2a + 14}

Thus,

2a + 14 = 0

a = - 14/2

a = -7

Therefore, we can conclude that the pair of two numbers whose difference is 14 and the product is as small as possible (i.e. -49) is (-7,7).

Learn more about word problems here:

brainly.com/question/21405634

7 0
1 year ago
Use the drop-down menus to complete the statements. At the age of eighteen, all male citizens are required to. A citizen receive
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(At the age of eighteen, all male citizens are required to-) register with Selective Service.-

(A citizen receives a summons from a US court to report for-). Jury service-

(The three most common types of taxes that citizens must pay are income, sales, and taxes.) Federal income, payroll, Social security and medicare and state income taxes.

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2 years ago
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Bob is conducting a study to determine what percentage of women over age 25 have children. He surveys 100 women and analyzes the
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Answer:

1/25

Explanation:

100 OUT THE 25 AGES ARE THE CORRECT STUD'S

8 0
3 years ago
All of the following areas are covered as part of the ACT except:
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I would say the best answer is A

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How do tectonic plates move with other plates
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Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again
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