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3 years ago

2(x + 3)^2 = 50

Mathematics

1 answer:

nadya68 [22]3 years ago

7 0

$2(x + 3)^2 = 50\\
(x+3)^2=25\\
x+3=5 \vee x+3=-5\\
x=2 \vee x=-8$

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Archy [21]

Answer: 2450.44 ft

Step-by-step explanation:

Formula for SA of a cylinder: A=2*pi*r*h+2*pi*r^2

Formula for radius: diameter/2

Plug height, 17, radius, 13, and pi, 3.14, into the formula above.

= 2450.44 ft

3 0

3 years ago

Use the quadratic formula to solve the equation

azamat

Answer:

Step-by-step explanation:

12−5+6=0

using the Quadratic Formula where

a = 1, b = -5, and c = 6

=−±2−4‾‾‾‾‾‾‾‾√2

=−(−5)±(−5)2−4(1)(6)‾‾‾‾‾‾‾‾‾‾‾‾‾‾√2(1)

=5±25−24‾‾‾‾‾‾‾√2

=5±1‾√2

The discriminant 2−4>0

so, there are two real roots.

Simplify the Radical:

=5±12

=62=42

which becomes

hope this helps :)

7 0

3 years ago

9a + 8 - 20-3-50<br> Answer

dem82 [27]

Answer:

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Step-by-step explanation:

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3 years ago

What is the quotient

olasank [31]

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3 years ago

This figure is 14 of a circle.

Wittaler [7]

Answer:

The perimeter of a quarter of a circle with radius 2 inches is 7.1 inches.

Step-by-step explanation:

Given : A quarter of a circle with radius labeled 2 in.

Quarter of circle means fourth part of a circle (as shown in image by shaded part).

We have to find the perimeter of this shaded quarter of circle.

Perimeter is the sum of the dimension of the given figure.

Perimeter of circle is $2\pi r$

Since, we are given Quarter circle so its perimeter $\frac{2}{4} \pi r+r+r=\frac{1}{2} \pi r+r+r$

Perimeter of given figure = $\frac{1}{2} \pi r+r+r$

Perimeter of given figure = $\frac{1}{2}\cdot 3.14 \cdot 2+2+2=3.14+4=7.14$

Thus, the perimeter of a quarter of a circle with radius 2 inches is 7.1 inches.

6 0

3 years ago

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