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Anon25 [30]
3 years ago
15

A solution is extraneous if it makes either the logarithm's base or

Mathematics
1 answer:
Pie3 years ago
8 0
I think that this statement is true but i’m not very sure sorry :(
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Answer for x.<br><br> 1. 3x - 10 = -21<br><br> 2. -22 - 4x = 12
ra1l [238]

Answer:

3x - 10 = -21

add 10 on both side

3x-10+10=-21+10

3x=-11

divide both side by 3

3x/3=-11/3

x=-11/3

Step-by-step explanation:

2. -22 - 4x = 12

add 22 on both side

-22+22-4x=12+22

-4x=36

divide both side by -4

-4x/-4=36/-4

c=-9 is your answer

4 0
3 years ago
7) 2x + y = 7<br> What is the intercept
posledela

Answer:

2x + y = 7

x=7/2

y=7

Step-by-step explanation:

to find y itercept =0

to find x intercept=0

5 0
3 years ago
If a right angled triangle has 3 sides a,b and c when a=3,b=6 ,what is the value of c?​
Nataliya [291]

Answer:

c = 3√5 ≈ 6.708

Step-by-step explanation:

Use the Pythagorean Theorem because this is a right triangle.

a^2 + b^2 = c^2

3^2 + 6^2 = c^2

9 + 36 = c^2

45 = c^2

√45 = c

<u>c = 3√5 ≈ 6.708</u>

5 0
3 years ago
Using De-Moivre's theorem, prove that i^2= -1.​
Novosadov [1.4K]

Write i in trigonometric form. Since |i| = 1 and arg(i) = π/2, we have

i = exp(i π/2) = cos(π/2) + i sin(π/2)

By DeMoivre's theorem,

i² = exp(i π/2)² = exp(i π) = cos(π) + i sin(π)

and it follows that i² = -1 since cos(π) = -1 and sin(π) = 0.

3 0
3 years ago
URGENT !!!!!! Please answer correctly !!!!! Will be marking Brianliest !!!!!!!!!!!!!
Ganezh [65]
(6,-7)
This is because if the midpoint to one endpoint goes right 1 and up 5, then the other endpoint will be left 1 and down 5
3 0
3 years ago
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