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FrozenT [24]
3 years ago
7

What's the answer ?????

Mathematics
1 answer:
kow [346]3 years ago
4 0
Okay, so all this question wants you to do is plug in 2 for x and solve for your output, aka y.

y = -4x² - 8

when x = 2....
y = -4(2)² - 8

y = -16 - 8
y = -24

so, when your input is 2, your output is -24.
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Can a rational number + a rational number = irrational number
zalisa [80]

Answer:

no

Step-by-step explanation:

its just like a positive number + a positive number cannot equil a negitive number.

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3 years ago
What is the reciprocal of 3/4
stepan [7]
4/3 because you flip the fraction around.
3 0
4 years ago
PLEASE HELP FAST!! I MIGHT GIVE BRAINLIEST TO FASTEST AND ACCURATE
goldenfox [79]

Answer:

1/6

Step-by-step explanation:

We want to find how long it takes for the bacteria to lose half its size. We can do this by taking one point of the bacteria and finding how long it takes to go to half its size. When t=0, 9300 * (1/64)^t = 9300 * 1 = 9300 as anything to the power of 0 is 1. Therefore, we can solve for t when the end result of the bacteria is 9300/2= 4650, making our equation

4650 = 9300 * (1/64)^t

divide both sides by 9300

1/2 = (1/64)^t

First, we can tell that 2^6 = 64*. Because of this, we can say that (1/2)^6 = 1^6/2^6 = 1/64, so (1/64)^(1/6) = 1/2. We know this because

(1/2)^6 = 64

take the 6th root of both sides

(1/2) = (64)^(1/6)

. This means that t=1/6, so the bacterial culture loses 1/2 of its size every 1/6 seconds

* if this is harder to figure out, e.g. 3 and 729, we can plug (log₃729) into a calculator

3 0
3 years ago
A spinner has many equal sections of different colors. The probability that the spinner will not land on a
olchik [2.2K]

Answer:

B 66%

Step-by-step explanation:

100% (total) - 34% (P(not landing on blue)) = 66%

3 0
3 years ago
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Grace [21]

Answer:

<h2>5,321.9</h2>

Step-by-step explanation:

V=πr2h=π·112·14≈5321.85796

The original formula to find the volume of a cylinder is:

<em>V=πr2h</em>

7 0
3 years ago
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