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3 years ago

30° 40° X= 20 60 100

Mathematics

1 answer:

bija089 [108]3 years ago

6 0

Answer:

I mean I got 70° but 60° is closer so That is my theory correct me if im wrong :))!

Step-by-step explanation:

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Solve. d + 8 < 35 A d < –27 B d < 27 C d < –43 D d < 43

Murrr4er [49]

Hello there! :)

Answer:

$\boxed{D$

*THE ANSWER MUST HAVE A POSITIVE SIGN!*

Step-by-step explanation:

First, you subtract by 8 from both sides of an equation.

$d+8-8$

Then, you subtract by the numbers from left/right.

$35-8=27$

$\boxed{D$ , is the CORRECT/FINAL ANSWER!

Hope this helps you!

Have a nice day! :)

:D

-Charlie

Thanks!

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3 years ago

Can you help answer this question

Darina [25.2K]

1:b
2:f
3:e
4:c
5:a
6:g
7:d
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3 years ago

Find all real solutions and show work: 2x^3-3x^2+18x-27=0

Amiraneli [1.4K]

Given:

The given equation is

$2x^3-3x^2+18x-27=0$

To find:

All the real solutions.

Solution:

We have,

$2x^3-3x^2+18x-27=0$

It can be written as

$x^2(2x-3)+9(2x-3)=0$

$(2x-3)(x^2+9)=0$

Using zero product property, we get

$(2x-3)=0$ and $(x^2+9)=0$

$2x=3$ and $x^2=-9$

$x=\dfrac{3}{2}$ and $x=\pm\sqrt{-9}$

We know that $x=\pm\sqrt{-9}$ is an imaginary number because there is a negative sign under the square root.

Therefore, $x=\dfrac{3}{2}$ is the only real solution of the given equation.

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3 years ago

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ziro4ka [17]

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3 years ago

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Vilka [71]

Answer:

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Step-by-step explanation:

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