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ryzh [129]
2 years ago
9

Find the value of ln(-7).

Mathematics
1 answer:
const2013 [10]2 years ago
4 0

Answer:

A

Step-by-step explanation:

Here, we want to find the value of ln (-7)

ln is same as Log to base e and mathematically , we have it for positive numbers only

For that of negative numbers, we get undefined results

However, by the use of special mathematical

methods, we have the answer for ln (-7) as;

1.94591015 + 3.14159265 i

As we can see, for the second part, the value for the coefficient of the complex number is pi and thus, we have the correct option as A

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What is 3.14x2/1000x3.14
Maksim231197 [3]

Answer:

→3.14 \times  \frac{2}{1000} \times 3.14 \\→ 3.14 \times 0.002 \times 3.14 \\→  \boxed{0.0197192}✓

<h3><u>0.0197192</u> is the right answer.</h3>
7 0
3 years ago
I need help now please
loris [4]

Answer: 8 sq units

Step-by-step explanation:

4 sq units in middle, two triangles on sides are half of four, add two triangles to make whole 4

4 0
3 years ago
Triangle BAD is a rotation of triangle DCB around point E by 180 degrees.
Andrews [41]

Taking point <em>Z </em> as the origin, the coordinates of the points on ΔBAD are

given by changing the sign of the coordinates of points in ΔDCB.

  • The angle that is congruent to ∠DBA is; <u>D. ∠BDC</u>

Reasons:

The given parameters are;

Triangle ΔBAD is the image of ΔDCB following a rotation of 180°.

Required:

The angle congruent to ∠DBA.

Solution:

Given that the rotation of triangle DCB is 180°, we have that the

coordinates of a point (x, y) in ΔDCB is (-x, -y) in ΔDBA.

Therefore, side DC is parallel to side AB

Which gives;

∠DBA is congruent to ∠BDC by alternate interior angles theorem.

∠DBA ≅ ∠BDC

The angle that is congruent to ∠DBA is; option <u>D. ∠BDC</u>

<u />

Learn more about rotation transformation here:

brainly.com/question/4738741

5 0
2 years ago
Mr. Levy needs to purchase paper towels. The regular price of the paper towels is $6.99 but they are on sale for 40% off. He als
ivann1987 [24]

Answer:

Mr. Levy will pay 40% of the price, which is $2.80.

Step-by-step explanation:

Hope this helps!

7 0
3 years ago
Pls help me with this question will mark brainiest.
olga2289 [7]

Answer:

B and c

Step-by-step explanation:

because the y =5 and more

6 0
3 years ago
Read 2 more answers
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