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3 years ago

The answer to the picture please

Mathematics

1 answer:

Vinil7 [7]3 years ago

8 0

the required ans is 3√b+b/3b

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What are the solutions to this quadratic equation x2+6x-5=0

marishachu [46]

Answer:

See Below.

Explanation:

Quadratic Form:

$a {x}^{2} + bx + c$

Quadratic Formula:

$x = \frac{ - b + - \sqrt{ {b}^{2} - 4ac} }{2a}$

Based on the information given from the question, we can deduce:

a = 1

b = 6

c = -5

Now we can substitute all these values into the formula to find x.

$x = \frac{ - 6 + - \sqrt{ {6}^{2} - 4(1)( - 5)} }{2(1)} \\ = - 3 + \sqrt{14} \: or \: - 3 - \sqrt{14}$

8 0

1 year ago

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Convert 18 centimeters per second to meters per hour. hint: 1 m = 100 cm

denis-greek [22]

Answer:

The answer to your question is 648 m/h

Step-by-step explanation:

$\frac{18 cm}{s} \frac{1 m}{100 cm} \frac{3600 s}{1 h}$

$\frac{(18)(1)(3600)}{(1)(100)(1)}$

$\frac{64800}{100}$

= 648 m/h

3 0

3 years ago

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Simplify this expression x² x x x x

cupoosta [38]

Although x ² and x both have the variable x, you can’t add them together. So x + x + x + x is 4x and we just leave x ² the same. So the simplified expression is x ² + 4x. I hope this helped!!

7 0

3 years ago

he equation a = a equals StartFraction 180 left-parenthesis n minus 2 right-parenthesis Over n EndFraction. represents the angle

irina1246 [14]

Answer:

give more info ;)

Step-by-step explanation:

8 0

2 years ago

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What is the distance between the points (21 , 13) and (3 , 13) in the coordinate plane?

Oxana [17]

Answer:

$\displaystyle d = 18$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Identify

Point (21, 13)

Point (3, 13)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(3-21)^2+(13-13)^2}$
[√Radical] (Parenthesis) Subtract: $\displaystyle d = \sqrt{(-18)^2+(0)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{324+0}$
[√Radical] Add: $\displaystyle d = \sqrt{324}$
[√Radical] Evaluate: $\displaystyle d = 18$

5 0

3 years ago