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3 years ago

Help someone I’ll give brainlist

Mathematics

2 answers:

uranmaximum [27]3 years ago

8 0

Answer: I think B

Step-by-step explanation: Hope it helped! :)

sattari [20]3 years ago

5 0

Answer:

Step-by-step explanation:

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Pls help, I really need this answer!!!!

podryga [215]

If you think about it, an octagon is made up of 8 triangles. So you first find the area of one triangle then multiply it by 8 for the total area:
A=1/2bh
A=1/2(9.9)(12)
A=59.4

59.4 x 8= 475.2

Therefore the total area for the octagon should be 475.2 units^2

Hope this helps !

5 0

3 years ago

Find all solutions of the equation algebraically. Use a graphing utility to verify the solutions graphically. (Enter your answer

Anuta_ua [19.1K]

Answer:

The solutions of the equation are 0 and 0.75.

Step-by-step explanation:

Given : Equation $16x^4 - 24x^3 +9x^2 =0$

To find : All solutions of the equation algebraically. Use a graphing utility to verify the solutions graphically ?

Solution :

Equation $16x^4 - 24x^3 +9x^2 =0$

$x^2(16x^2-24x+9)=0$

Either $x^2=0$ or $16x^2-24x+9=0$

When $x^2=0$

$x=0$

When $16x^2-24x+9=0$

Solve by quadratic formula, $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\frac{-(-24)\pm\sqrt{(-24)^2-4(16)(9)}}{2(16)}$

$x=\frac{24\pm\sqrt{0}}{32}$

$x=\frac{24}{32}$

$x=\frac{3}{4}$

$x=0.75$

The solutions of the equation are 0 and 0.75.

For verification,

In the graph where the curve cut x-axis is the solution of the equation.

Refer the attached figure below.

7 0

3 years ago

Solve 1/2(24) + 1/3(9)

lara31 [8.8K]

Answer:

=15

Step-by-step explanation:

1/2(24)+1/3(9)

=12+1/3(9)

=12+3

=15

6 0

3 years ago

Read 2 more answers

A bag contains 42 red, 45 green, 20 yellow, and 32 purple candies. You pick one candy at random. Find the

Zina [86]

Answer:

97/139

Step-by-step explanation:

You add every thing but red so 45+20+32 which equals 97, so 97 is your numerator and to get the denominator you add all the numbers together so 42+45+20+32 which equals 139.

4 0

3 years ago

Just gotta get the last few done

vampirchik [111]

(x-6)^2 is the answer

4 0

3 years ago

Read 2 more answers