3 years ago

What is this formula?

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

5 0

Answer:

This is the quadratic formula that is used to solve quadratic equations.

PSYCHO15rus [73]3 years ago

5 0

Answer:

quadratic formula

Step-by-step explanation:

$x = \frac{-b + / - \sqrt{b^{2} - 4ac } }{2a}$ is called the quadratic formula

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10 more than a number w is -2.6

OLEGan [10]

What kind of question is that? That’s a statement.

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3 years ago

Read 2 more answers

Triangle FGH is an equilateral triangle.FH=6x+1,FG=3x+10,and GH=9x-8

Lena [83]

Answer:

Acute triangle

x = 3

GH = 19

Step-by-step explanation:

7 0

3 years ago

Hector took out a small loan of $900 for 15 months. The simple interest rate on the loan was 15%. How much will he pay in intere

Liula [17]

So you have to find 15 percent of 900 which would be 135

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4 years ago

HELP PLEASE!

olasank [31]

Answer

Find out the Area of a triangle .

To proof

Formula

Area of Triangle

$= \frac{1}{2}\times( {x_1(y_{2}-y_{3}) +x_{2}(y_{3} - y_{1})+x_{3}(y_{1}-y_{2})})$

Now vertices are D(3, 3) , E(3, −1) , and F(−2, −5) .

$= \frac{1}{2} (3\times(-1 +5) + 3\times(-5-3)-2\times(3+1))$

Solving the above

$= \frac{1}{2}(3\times4+3\times-8 -2\times4)$

$=\frac{1}{2} (12-24-8)\\ =\frac{1}{2} (-32+12)\\=\frac{1}{2} (-20)$

= -10 units²

(Neglected the negative sign as area cannot be negative.)

= 10 units ²

Area of a triangle is 10 units ²

Hence proved

6 0

4 years ago

Solve the system by graphing . Check your solution . Attach your graph in the file upload

beks73 [17]

Here! :) i hope this helps bunny!

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3 years ago