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2 years ago

Using quadratic formula find xx+5x+5

Mathematics

1 answer:

inessss [21]2 years ago

5 0

Answer:

Solve the equation for x by finding a , b , and c of the quadratic then applying the quadratic formula.

Step-by-step explanation:

Exact Form:

x = -5±√ 5/2

Decimal Form:

x = − 1.38196601 … , − 3.61803398 …

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A total of 30000 tickets were sold for a concert of this amont 1/4 were sold for $1500 each 1/3 at $ 1000 each and the rest at $

Vinvika [58]

Answer:

12,600

Step-by-step explanation:

1/3 = 4/12

1/4 = 3/12

Together they equal 7/12

The different is 5/12

5/12 = .416666 =.42

.42 x 30,000 = 12,600

8 0

2 years ago

Why are chemical sense called behavioral barriers

iren [92.7K]

Answer:because it works different when you smell a chemical sense from then if you smell a regular sese.

Step-by-step explanation:

A regula sense like a fart might smell bad. But a chemical sense can burn your nostrils and burn you nose hairs causing you not to have good sent or to never smell again

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3 years ago

Select the two values of x that are roots of this equation.

makkiz [27]

Answer:

$\implies x = (-2) \qquad or\qquad x = \dfrac{-3}{2}$

Step-by-step explanation:

Given :-

A quadratic equation is given to us.
The equation is 2x² + 7x +6=0

And we need to find out the roots of the given equation. We can use the middle term splitting method to find out the roots as ,

Given equation :-

$\implies 2x^2 + 7x +6=0$

Step 1: Find out the factors of 12 :-

We will choose the two factors such that their sum equals to the coefficient of x i.e. 7 .The factors are , 1×12 , 2×6 , 3×4 .

And 3 + 4 = 7. So we will break the middle term into 3x and 4x .

Step 2 : Breaking the middle term :-

$\implies 2x^2 + 3x+4x +6=0$

Step 3: Take out common from terms :-

$\implies x(2x + 3) +2(2x +3)=0$

$\implies ( x +2)(2x+3)=0$

Step 4 : Equate them with 0 :-

$\implies x = (-2) \qquad or\qquad x = \dfrac{-3}{2}$

Hence the correct options are C and D .

5 0

2 years ago

Need help with this math. find the Slope of a line That contains the points (5,6) (1, 4).

stira [4]

Answer:

The slope can 1/2 or 0.5

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

The length of a rectangle is twice its breadth. If its perimeter is 60 cm, find the length and the breadth of the rectangle

Vaselesa [24]

Answer:

Length is 20 cm
Breadth is 10 cm

Step-by-step explanation:

<h3>According to the Question</h3>

It is given that,

Length of rectangle is twice as its breadth
Perimeter of Rectangle = 60cm

We have to calculate the length and

breadth of the rectangle.

Let the breadth be x cm.

then,

Length be 2x cm.

Calculating the length and breadth-

Perimeter of Rectangle = 2(Length+breadth)

By putting the value we get-

→60 = 2(2x+x)

→60 = 2(3x)

→60 = 6x

→x = 60/6

→ x = 10 cm

Since, breadth is 10 cm.

Therefore, Length = 2x = 2×10 = 20 cm.

Hence, the length and breadth of rectangle is 20 cm & 10 cm respectively.

3 0

3 years ago

Read 2 more answers