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algol13
3 years ago
10

Evaluate the function. f(x)=-x^2+x F= -1

Mathematics
1 answer:
noname [10]3 years ago
6 0

Answer:

f(-1)=(-1)²+-1=1-1=0

i think it is your answer

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The length of a rectangular field is 7 m less than 4 times the width. The perimeter is 136 m. Find the width and length
cestrela7 [59]

Answer:

Width: 15 Length: 53

Step-by-step explanation:

7 0
3 years ago
Mr. Black bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of Mr. Black's
miss Akunina [59]

Answer:

$36.94

Step-by-step explanation:

Okay, so. This is what we do. There is two magazines and they cost 9.95 each multiply 9.95 times 2

9.95 x 2 = 19.90

Okay, then he buys a book for 14.95 we add 19.9. and 14.95

19.90 + 14.95 = 34.85

Then we have a sales tax of 6% we would multiply 34.85 time 6%

34.85 x 6% = 2.09

Then we would add. 34.85 + 2.09

34.85 + 2.09 = 36.94

Therefore your answer is $36.94

Hope this helps!!!

3 0
3 years ago
Read 2 more answers
Which is greater -3.7 or -3 2/5
lara [203]

Answer:

-3 2/4 is greater that -3.7

Step-by-step explanation:

2/4 is 0.4 and when dealing with negatives so the lower negative is the closest to 0 so the smaller negative is the greatest.

8 0
3 years ago
A meteorologist is monitoring the atmospheric pressure as his height above sea level varies. The meteorologist determines that t
Burka [1]

Answer:

The function p(n) is represented by p(n) = 103\cdot (0.88)^{n}.

Step-by-step explanation:

Statement indicates that atmospheric pressure decreases exponentially when height above sea level is increased. This fact is represented by the following model:

p(n) = p_{o}\cdot r^{n} (Eq. 1)

Where:

p_{o} - Atmospheric pressure at sea level, measured in kilopascals.

r -Atmospheric pressure decrease rate, dimensionless.

n - Height above sea level, measured in kilometers.

p(n) - Current pressure, measured in kilopascals.

If we know that p_{o} = 103\,kPa and r = 0.88, the function p(n) is represented by:

p(n) = 103\cdot (0.88)^{n}

4 0
3 years ago
Chaim tried to prove that AUTS ~ AUDE in the following figure, but his proof is wrong.
omeli [17]

Answer:

it’s A it is not given the ST and DE are parallel

Step-by-step explanation:

7 0
3 years ago
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