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siniylev [52]
2 years ago
6

Find p and q, if Definition area is [3;10]

Mathematics
1 answer:
miss Akunina [59]2 years ago
5 0

\\ \tt\longmapsto y=\sqrt{-x^2+px+q}

  • Put(3,10)

\\ \tt\longmapsto y^2=-x^2+px+q

\\ \tt\longmapsto 10^2=-(3^)2+3p+q

\\ \tt\longmapsto 100=-9+3p+q

\\ \tt\longmapsto 3p+q=109

  • Use hit and trial method.

Let p,q be (27,28)

Apply

\\ \tt\longmapsto 3(27)+28=81+28=109

Verified

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K(x) = X +-6<br> k(3) =
mina [271]

Answer:

-3

Step-by-step explanation:

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7 0
3 years ago
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Module 1: directions: respond to this question to demonstrate your understanding of the topic/content. be sure to provide adequa
olya-2409 [2.1K]

The slope intercept form of the line whose points are (1,5) and (-2,-4) is y=3x+2.

Given two points of a line (1,5) and (-2,-4).

We have to form an equation in slop intercept form.

Equation is relationship between two or more variables which are expressed in equal to form.Equations of two variables looks like ax+by=c.

Point slope form of an equation is y=x+mc where m is slope of the line.

From two points the formula of equation is as under:

(y-y_{1})=(y_{2} -y_{1} )/(x_{2} -x_{1} )*(x-x_{1})

where (x_{1} ,y_{1} ) and (x_{2} ,y_{2} ) are the points.

Putting the values of x_{1}=1, x_{2}=-2, y_{1}=5 and y_{2}=-4.

y-5=(-4-5/-2-1)*(x-1)

y-5=-9/-3*(x-1)

y-5=3(x-1)

y-5=3x-3

y=3x-3+5

y=3x+2

Hence the slope intercept form of the line having points (1,5)(-2,-4) is y=3x+2.

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4 0
2 years ago
If z = 2, find the value of: a. 6z2–2z+5<br> b. 64–5z
Ludmilka [50]

Answer:

25 and 54

Step-by-step explanation:

(a)

6z² - 2z + 5 ← substitute z = 2

= 6(2)² - 2(2) + 5

= 6(4) - 4 + 5

= 24 - 4 + 5

= 20 + 5

= 25

(b)

64 - 5z ← substitute z = 2

= 64 - 5(2)

= 64 - 10

= 54

4 0
2 years ago
(PLEASE HELP!!!)<br><br> What is g(5) equal to?<br><br> G(t)= -21+3t<br><br> G(5)= ____
Elina [12.6K]
The answer should be g=3t-21/t
6 0
3 years ago
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A triangle has side lengths of 24 in., 32 in., and 40 in. Is the triangle acute, obtuse, or right? A) right. B) obtuse. C) acute
statuscvo [17]
The answer is:  [A]:  "right [triangle]" .
________________________________________________
Explanation:
________________________________________________
Given:  Side lengths:
________________________________________________
  " <span>24 in., 32 in., and 40 in " ;  
________________________________________________
Divide each side length by "8" ; 
</span><span>
24 in. / 8 = 3 in. ; 

32 in. / 8 = 4 in. ;  and
 
40 in. / 8 = 5 in. . 
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3 in . , 4, in,  5 in. ;  is a "right triangle" ; 

since:  3</span>² + 4² = 5² ;

→  9 + 16 = 25 ; 

according to the Pythagorean theorem:  " a² + b² = c² " .
_________________________________________________
8 0
3 years ago
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