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zaharov [31]
3 years ago
12

I'm too dumbo to answer this, can anyone help?​

Mathematics
1 answer:
tatyana61 [14]3 years ago
7 0
I think that’s (0,2) not sure
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B) Two less than the square of a number​
Furkat [3]
??? Where’s the rest of that problem
8 0
3 years ago
Determine the equation of the circle graphed below. <br><br> ( please help me )
shepuryov [24]

Answer:

(x - 3)² + (y + 5)² = 10

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here (h, k) = (3, - 5 ) , then

(x - 3)² + (y - (- 5) )² = r² , that is

(x - 3)² + (y + 5)² = r²

r is the distance from the centre to a point on the line

Calculate r using the distance formula

r = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = (3, - 5) and (x₂, y₂ ) = (6, - 4)

r = \sqrt{(6-3)^2+(-4+5)^2}

  = \sqrt{3^2+1^2}

  = \sqrt{9+1}

   = \sqrt{10} ⇒ r² = (\sqrt{10} )² = 10

(x - 3)² + (y + 5)² = 10 ← equation of circle

6 0
3 years ago
The fastest that a seahorse can travel is 2,640 feet per hour. What is its top speed in miles per hour?
KiRa [710]
There are 5280 feet in a mile. Knowing this, we can make the conversion from 2640 feet per hours to miles per hour:

(2640/5280)/1 hour = 0.5 miles / hour

-T.B.
3 0
3 years ago
Read 2 more answers
Help me plz mathhh ill give brainliest
NISA [10]

Answer:

afb= 90

cfd= 62

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
suppose the nightly rate for a three star hotel in paris is thought to be bell-shaped and symmetrical with a mean of 160 euros a
Westkost [7]

Answer:

95.44%

Step-by-step explanation:

Mean rate (μ) = 160 euros

Standard deviation (σ) = 8 euros

For any given rate, X, the z-score is:

z=\frac{X-\mu}{\sigma}

For X = 144 euros:

z=\frac{144-160}{8}\\ z=-2

For X= 176 euros

z=\frac{176-160}{8}\\ z=2

In a standard distribution, a z-score of -2 corresponds to the 2.28th percentile, while a z-score of 2 corresponds to the 97.72th percentile.

Therefore, the percentage of hotels with rates between 144 and 176 euros is:

P=97.72-2.28\\P=95.44\%

8 0
4 years ago
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