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3 years ago

Paul tosses a quarter off the Main Street bridge into the St. John’s River. The

Mathematics

1 answer:

IRINA_888 [86]3 years ago

4 0

C because maximum height of a quarter

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A commercial aircraft gets the best fuel efficiency if it operates at a minimum altitude of 29,000 feet and a maximum altitude o

natita [175]

Answer:

$x\geq 29,000$ and $x\leq 41,000$

Step-by-step explanation:

Let

x -----> the altitude of a commercial aircraft

we know that

The expression " A minimum altitude of 29,000 feet" is equal to

$x\geq 29,000$

All real numbers greater than or equal to 29,000 ft

The expression " A maximum altitude of 41,000 feet" is equal to

$x\leq 41,000$

All real numbers less than or equal to 41,000 ft

therefore

The compound inequality is equal to

$x\geq 29,000$ and $x\leq 41,000$

All real numbers greater than or equal to 29,000 ft and less than or equal to 41,000 ft

The solution is the interval ------> [29,000,41,000]

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3 years ago

Its all one big question

Verdich [7]

Answer:

see explanation

Step-by-step explanation:

h(x) + k(x) = x² + 1 + x - 2 = x² + x - 1

(h + k)(2) = 2² + 2 - 1 = 4 + 2 - 1 = 5

h(x) - k(x) = x² + 1 - (x - 2) = x² + 1 - x + 2 = x² -x + 3

(h - k)(3) = 3² - 3 + 3 = 9 - 3 + 3 = 9

h(2) = 2² + 1 = 4 + 1 = 5

k(3) = 3 - 2 = 1

3h(2) + 2k(3) = (3 × 5) + (2 × 1) = 15 + 2 = 17

7 0

3 years ago

Read 2 more answers

1-2 Cos²25°÷(1-2sin²25)<br>

shusha [124]

Answer:

have a good one

Step-by-step explanation:

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2 years ago

What is h−(−2.22)=−7.851 someone please help me

telo118 [61]

Answer:

h=-10.071?

Step-by-step explanation:

7 0

3 years ago

Solve for x I’m the equation x^2 + 4x + 17 = -96

Pepsi [2]

X=2.12602916
By solving

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3 years ago