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uysha [10]
3 years ago
7

URGENT MATH HELP!

Mathematics
1 answer:
lesya [120]3 years ago
5 0
The answer is: [A]:
________________________________

<span>0.21 mm × 0.03937 in./mm = 0.0083 inches
_________________________________</span>
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I don't understand this I have spent many points on this same question so this time I will be giving brainliest for the first co
Marrrta [24]

Given:

|3+4 i|+|3-4 i|+|-3+4 i|+|-3-4 i|

Solution:

Complex formula:

|a+b i|=\sqrt{(a+b i)(a-b i)}=\sqrt{a^{2}+b^{2}}

Let us simplify one by one.

|3+4 i|=\sqrt{3^{2}+4^{2}}

           =\sqrt{25}

|3 + 4i| = 5

|3-4 i|=\sqrt{3^{2}+(-4)^{2}}

           =\sqrt{25}

|3 - 4i| = 5

|-3+4 i|=\sqrt{(-3)^{2}+4^{2}}

           =\sqrt{25}

|-3 + 4i| = 5

|-3-4 i|=\sqrt{(-3)^{2}+(-4)^{2}}

           =\sqrt{25}

|-3 - 4i| = 5

Substitute these in the given expression:

|3+4 i|+|3-4 i|+|-3+4 i|+|-3-4 i|=5+5+5+5

                                                                  =20

The solution of the expression is 20.

8 0
3 years ago
HELP ANSWER THIS ONE QUESTION FOR ME PLEASE
Alekssandra [29.7K]

Answer:

y=2x+4

Step-by-step explanation:

8 0
3 years ago
If logx (8x-3) -logx 4=2, the value of x is
Vaselesa [24]

Answer:

x = 1/2 and 3/2

Step-by-step explanation:

The given equation is logₓ (8x-3) - logₓ 4 = 2

Then we have to determine the value of x.

logₓ [\frac{(8x-3)}{4}] = 2    [ since log a - log b = log (\frac{a}{b}) ]

Now x^{2}=\frac{(8x-3)}{4}   [if log_{a}b = c then a^{c} = b]

4x² = 8x -3

4x² - 8x + 3 = 0

(2x)² - 2(4x) + (4-4) + 3 = 0

[(2x)² - 2 (4x) + 4 ] - 1 = 0

(2x - 2)² = 1

(2x - 2)² = ± 1 ⇒

2x - 2 = 1       and      2x - 2 = -1

x = 3/2                        2x = 1

                                    x = 1/2

Therefore, x = 1/2 and 3/2 are the answers.

3 0
3 years ago
What is the slope of the line whose equation is 4x – 6y = 12?
zhannawk [14.2K]
4x - 6y = 12...in y = mx + b form, the slope will be in the m position. So lets turn this equation into y = mx + b form.

4x - 6y = 12....subtract 4x from both sides
-6y = -4x + 12...now divide both sides by -6
y = (-4/-6)x + 12/-6
y = 2/3x - 2...y = mx + b.....slope(m) = 2/3 <==
4 0
3 years ago
Find the inverse of the radical function.<br><br> Enter the correct answer in the box.
choli [55]

The inverse of the given function is y = x³ + 2

<h3>Finding inverse of a radical function</h3>

Given the radical function below expressed as;

f(x) = ∛x-2

This can be written as;

y = ∛x-2

Replace y with x

x = ∛y-2

Take the cube of both sides

x³ =y - 2

y = x³ + 2

Hence the inverse of the given function is y = x³ + 2

Learn more on inverse of a function here: brainly.com/question/3831584

#SPJ1

7 0
2 years ago
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