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nasty-shy [4]
3 years ago
5

Which expressions are equivalent to -7+3(-4e-3)

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

The answer is letter A.

-7+3(-4e-3)

−7+3((−4)(2.718282)−3)

=−48.619382

-4(3e+4)

−4((3)(2.718282)+4)

=(−4)((3)(2.718282)+4)

=(−4)((3)(2.718282))+(−4)(4)

=−32.619382−16

=−48.619382

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Write the trig form of the complex number <br> 18i
ehidna [41]

The trigonometric form of the complex number given in the task content is; 18(isin(π/2)).

<h3>What is the trigonometric form of the complex number?</h3>

If follows from the task content that the complex number whose trigonometric representation is to be determined is; 18i.

Hence, It follows that the trigonometric form is;

= 18(cos(π/2) + isin(π/2)). where; cos(π/2) = 0.

Hence, we have;

= 18(isin(π/2)).

Read more on complex numbers;

brainly.com/question/10662770

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5 0
2 years ago
Find the area of an octagon with a radius of 11 units. Round your answer to the nearest hundredth. NO LINKS
xeze [42]

Answer:

342.24 units²

Step-by-step explanation:

The area of one of the 8 triangular sections of the octagon is ...

A = (1/2)r²·sin(θ) . . . . . where θ is the central angle of the section

The area of the octagon is 8 times that, so is ...

A = 8·(1/2)·11²·sin(360°/8) = 242√2

A ≈ 342.24 units²

8 0
3 years ago
Find the value of x when 6 - 3x = 5x - 10x + 8.<br> The value of x is
Lapatulllka [165]

Answer: x=1

Step-by-step explanation:

6-3x=5x-10x+8

6−3x=−5x+8

−3x=−5x+8−6

−3x=−5x+2

−3x+5x=2

2x=2

x=1

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Superbowl Weekend! ;3

- Cutiepatutie ☺❀❤

3 0
3 years ago
CAN SOMEONE HELP ME PLEASE ASAP!?
Andrews [41]

Answer: 69

Step-by-step explanation:

The two angles are a linear pair, which means that they lie on the same line. Therefore, you just have to substract angle 1 with 180.

180-111=69

5 0
3 years ago
Can someone please help me answer this?
Lina20 [59]
DEF = BAC : x = 15 <==

once u allign ur triangles, u will see that there is a scale factor of 1.5.
6 * 1.5 = 9

1.5(x - 5) = 15
1.5x - 7.5 = 15
1.5x = 15 + 7.5
1.5x = 22.5
x = 22.5/1.5
x = 15 <==

6 0
3 years ago
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