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hodyreva [135]
2 years ago
10

What are the zeros of the function below? Check all that apply

Mathematics
1 answer:
vovangra [49]2 years ago
3 0

Answer:

-7. is the answer so tick it mark me brainlist

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Researchers wanted to see which species of lizard (A, B, or C) is most likely to survive a bacterial infection. So they infected
Slav-nsk [51]

Answer:

A) attached below

B) 0.61

C) 0.47

Step-by-step explanation:

Given data:

Total number of lizards infected = 38

Of the 15 species B lizards 40% survived

For specie C one more survived than died

Out of the 24 lizards that died 1/3 were species A

<u>A) contingency table </u>

attached below

<u>B) Determine the proportion of these lizards in this study that were either specie A or Specie B </u>

P ( A or B ) = ( 8 + 15 ) / 38 = 0.605 ≈ 0.61

<u>C) determine the probability that specie C lizard did not study </u>

P ( not surviving  | C ) = 7 / 15 = 0.466 ≈ 0.47

7 0
2 years ago
I need help FAST!!! 10pts
Katena32 [7]
The answer is 0.7 kilometers
5 0
3 years ago
Read 2 more answers
Original price of a hotel: $240.00 per night.
lawyer [7]

Answer:

$ 929

Step-by-step explanation:

Given: Original price of stay in hotel= $240 per night

           Discount= 25%

           Total taxes and fee = 29%

Now, finding the price of stay for four night.

Using unitary method to solve:

As we know original price of hotel stay per night is $240

∴ Price of four night stay at original price is 240\times 4 = \$ 960

Next, 25% discount given on the price of four night stay.

∴ 960 - \frac{25}{100} \times 960 = 960 - 240

= \$ 720

∴Price of four night hotel stay after discount is \$ 720

Now, 29% taxes and fees been added to the price.

Price of hotel stay after discount + Taxes paid.

720 + ( \frac{29}{100} \times 720) = 720 + 209

= \$ 929

∴ \$ 929 is the price to be paid for four night stay at hotel after discount and taxes.

5 0
3 years ago
Which function in vertex form is equivalent to f(x) = 4 + x2 – 2x?
Alexus [3.1K]
<h3>Answer:</h3>

option A

f(x) = (x – 1)2 + 3

<h3>Step-by-step explanation:</h3>

Given in the question a function,

f(x) = 4 + x² – 2x

Step 1

f(x) = 4 + x² – 2x

here a = 1

        b = -2

        c = 4

Step 2

x = -b/2a

h = -(-2)/2(1)

h = 2/2

h = 1

Step 3

Find k

k = 4 + 1² – 2(1)

k = 3

Step 4

To convert a quadratic from y = ax² + bx + c form to vertex form,

y = a(x - h)²+ k

y = 1(x - 1)² + 3

y = (x - 1)² + 3

6 0
2 years ago
How many units<br> above the x-axis<br> is the point<br> located at (9, 6)?<br> pls help
svetlana [45]

Answer:

6 units above the x-axis

Step-by-step explanation:

The pair (9,6) are a set of coordinates that indicate how far away from the origin (0,0) the point is.

The coordinates are written (x,y) where 'x' is how far to the left or right of the y-axis (vertical) the point is. The 'y' is how far above or below the x-axis (horizontal) the point is.

So in this case, the set of (9,6) means that the point is located at 9 units to the right of the origin and the y-axis and 6 units above the x-axis

4 0
2 years ago
Read 2 more answers
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