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raketka [301]
3 years ago
13

The equation of a parabola is 18(y−5)2=x+3 .

Mathematics
1 answer:
Bad White [126]3 years ago
6 0
<span>1/8(y−5)²=x+3
(y-5)² = 8(x+3)

The formula of parabola in standard form
(y-k)² = 4p(x-h),  (h, k) - vertex,  (h+p, k) focus
For our parabola 
vertex (-3,5)
4p=8
p=2
This is a horizontal parabola because y².
So to find the coordinates of the focus we need to add to x coordinate of vertex.
</span>(-3+2, 5) = (-1,5) focus
Correct answer is  (-1,5).<span>


</span>
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Describe one error that was made in the preparation of the
pashok25 [27]

Answer:

  the axis labels are inconsistent with the graph title

Step-by-step explanation:

The independent variable is described as "% protein digested", and the dependent variable is described as "time." The graphed values suggest that these are reasonable descriptors for the data being plotted.

The title, however, says the data points are "percentage digestion per hour". This is in disagreement with the axis labels, and is inconsistent with the shape of the curve. (If the title is to be believed, the digestion rate is such that more than 100% of <whatever> has been digested after 10 hours.)

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<em>Additional comment</em>

Another error is the vertical axis is graduated as though it were linear, but it is decidedly non-linear. Equivalent distances on the graph are shown for differences of 10%, 5%, 10% and 25%. That is the scale varies by a factor of 5 from one part of the graph to another.

8 0
2 years ago
5x = -25 what is the answer of x
Sliva [168]

Answer:

x= -5

Step-by-step explanation:

just use a calculator

5 0
3 years ago
A special deck of cards has ten cards. Four are green, three are blue, and three are red. When a card is picked, its color of it
nata0808 [166]

Answer:

P(A) = 3/20

Step-by-step explanation:

P(A)=P(blue)P(head)=(3/10)(1/2)=3/20

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So in total

P(A) = P(blue)*p(head) = (3/10)*(1/2) = 3/20 = 0.15

8 0
3 years ago
Michael is 17 years old than john. In 4 years the sum of their ages will be 49. Fins Michaels present age.
alexandr1967 [171]
Wouldnt it be 21 idk dont pay attention to me lol
3 0
3 years ago
Read 2 more answers
Need help please. Thanks in advance
S_A_V [24]
3x+4=10
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3x=6
Divide both sides by 3
X=2

Sides = 10,10,5


Problem 5. 4x+1=29
Subtract 1 from both sides
4x=28
X=7
7 0
2 years ago
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