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sasho [114]
3 years ago
13

Consider the parabola with a focus at the point (4,0) and directrix y = 3.

Mathematics
1 answer:
satela [25.4K]3 years ago
7 0

Answer:

answer of your questions

Step-by-step explanation:

The process of obtaining the equation is similar, but it is more algebraically intensive. Given the focus (h,k) and the directrix y=mx+b, the equation for a parabola is (y - mx - b)^2 / (m^2 +1) = (x - h)^2 + (y - k)^2.

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The cost price of a box and a pen is Rs 120. The box is sold at 10% profita the pen is sold at 10% loss. If the selling price of
matrenka [14]

Answer:

3.803% Profit

Step-by-step explanation:

First let us calculate total sales, then calculate the total cost, and then divide the two.

Sale: 120*1.1=132 and 52*.9=46.8

Cost: 120 and 52

Profit equation:

\frac{Net sales-COGS}{Net Sales} =Profit

\frac{(132+46.8)-(120+52)}{(132+46.8)}

Simplify:

\frac{6.8}{178.8} =.03803 or 3.803% Profit

5 0
3 years ago
Which statement is true about -14 and -8 ?
VladimirAG [237]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
If you vertically stretch the exponential function f(x) = 2X by a factor of 5, what
Aleksandr [31]
The answer to your question is A
8 0
3 years ago
Please help explanation if possible
Nookie1986 [14]

Answer:

y=-3x+5

Step-by-step explanation:

concepts: y=mx+b is slope intercept equation formula

m=slope

b= y intercept

Therefore we need to find the slope and y intercept

first find slope

m=\frac{y2-y1}{x2-x1}

let y2 be 2

let y1 be -4

let x2 be 1

let x1 be 3

\frac{2-(--4)}{1-3}

6/-2 = -3

m=-3

slope is -3

y= -3x+ b

we need find y intercept now

just plug in (1,2) into that equation

2=-3(1)+b

b=5

y=-3x+5

5 0
3 years ago
Round 3.46 to the nearest integer
mestny [16]

Answer: 3.5 integers can be in decimals too. and any number counts as an integer except for 0

3 0
2 years ago
Read 2 more answers
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