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2 years ago

Triangle E has a perimeter of 125 inches. Two of

Mathematics

1 answer:

aivan3 [116]2 years ago

3 0

Answer:

44 inches

Step-by-step explanation:

perimeter of triangle = length of side 1 + length of side 2 + length of side 3

length of side 1 = 26

length of side 2 = 55

125 = 26 + 55 + length of side 3 = 81 + length of side 3

subtract 81 from both sides to get the length of side 3

length of side 3 = 44 inches

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The vertex of this parabola is at (3,5) when the y-value is 6 the x value -1 what is the coefficient of the squared term in the

ale4655 [162]

Answer:

1/16

Step-by-step explanation:

Here,

Vertex =(3,5)

x= -1, y=6

Simply,eqn of parabola is given by ax^2+bx+c=y

So, coefficient of squared term (x^2) is 'a'

Therefore, we've to find the value of a

Moving on to solution:

a-b+c=6 ___(i) (by putting the given values of x and y in eqn of parabola )

We know that,

Vetex=(-b/2a, ( 4ac-b^2)/4a)

(3,5) = (-b/2a , (4ac-b^2)/4a)

Equating corresponding sides,we get

3= -b/2a

b=-6a___(ii)

Again,

5=(4ac-b^2)/4a

5=(4ac/4a) - (b^2/4a)

5= c- (36a^2/4a) (by putting value of b from eqn ii )

5= c-9a___(iii)

Now,moving back to the first eqn

a+6a+5+9a=6

16a=1

therefore,a=1/16

Hence ,the required value of coefficient of squared term is 1/16.

I tried my best to give clear explanation as much as I know. It's just we've have to find the value of a . For that, you can use any method you find easier.

3 0

3 years ago

Triangles S U V and R U W are connected at point U. Angles S U V and W U T are right angles. The length of hypotenuse S V is 2 x

azamat

<h2>THE ANSWER IS D. 5</h2>

my answer is too short so just ignore this part but I can promise the answer is five.

3 0

3 years ago

Read 2 more answers

Solve Please |4x-1|= 7

OverLord2011 [107]

Answer:

Step-by-step explanation:

$|4x-1|=7\iff4x-1=7\ \vee\ 4x-1=-7\qquad\text{add 1 to both sides}\\\\4x=8\ \vee\ 4x=-6\qquad\text{divide both sides by 4}\\\\x=2\ \vee\ x=-\dfrac{6}{4}\\\\x=2\ \vee\ x=-1.5$