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Vesnalui [34]
3 years ago
11

I need some help! Evaluate the expression: -11²

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
6 0
-11^2 would be the same as -11*11 which would then equal -121
almond37 [142]3 years ago
3 0

Answer: -121

Step-by-step explanation:

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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]

5 0
3 years ago
Sir Ving Spoon earned $5,436 on his $7,550 certificate of deposit. If he had the CD for 12 years, what simple interest rate did
Lilit [14]

6% or 0.06 is the simple interest rate the bank pays him.

<u>Step-by-step explanation:</u>

Sir Ving Spoon earned $5,436 on his $7,550 certificate of deposit.

From this given information,

It can be determined that the Principal amount is $7550 and the interest amount is $5436.

The CD is for 12 years. Therefore, the number of years is 12.

<u>To find the interest rate (r) :</u>

Using the simple interest formula,

Interest = P×r×t

where,

  • P is the principal amount = $7550
  • r is the rate of interest.
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⇒ 5436 = 7550 × r × 12

⇒ 5436 = 90600 × r

⇒ r = 5436 / 90600

⇒ r = 0.06

Multiply by 100 to represent in rate %

⇒ r = 0.06 × 100

⇒ r = 6%

∴ 6% or 0.06 is the simple interest rate the bank pays him.

5 0
3 years ago
Explain what can happen if you line up the digits incorrectly when you rewrite additional problem
Natasha_Volkova [10]
So basiclly you will end up getting the wrong answer. For example 234+23.
If you lined it up incorrectly you might get 464. It is actually 257. This is wy you should line it up correctly.
~JZ
Hope it helps! Good Luck!

8 0
3 years ago
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SIZIF [17.4K]

Answer:

give me specfic measurments and ill give you the anwser

Step-by-step explanation:

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Solve for x. Plz helppppppo
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Answer:

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