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11Alexandr11 [23.1K]
3 years ago
7

The two cones below are similar. What is the value of x?

Mathematics
2 answers:
Rama09 [41]3 years ago
6 0
It is B just put it in calculator and abs divided
balu736 [363]3 years ago
4 0
The awnser to you question is B 0.3.X is 7 times smaller than 2.2÷7
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How do i solve x squared = 4x -5
ICE Princess25 [194]

Answer:

x = 2 ±i

Step-by-step explanation:

x^2 = 4x-5

Subtract 4x from each side

x^2 - 4x = 4x-5 -4x

x^2 - 4x= -5

Complete the square

Take the coefficient of the x term, divide by 2 and square it

-4/2 =2   2^2 =4

Add 4 to each side

x^2 -4x+4 = -5 +4

The left side is (x-coefficient of the x term/2)^2

(x-2)^2 = -1

Take the square root of each side

sqrt((x-2)^2) = sqrt(-1)

x-2 = ±i

Add 2 to each side

x-2+2 = 2 ±i

x = 2 ±i

6 0
3 years ago
Help me please I don’t know what to do
Ymorist [56]
Apoligies, i’m not sure
3 0
2 years ago
What is the result when 2a-5 is subtracted from 3a+3
sleet_krkn [62]

Answer:

-a - 8

Step-by-step explanation:

2a - 5 - (3a + 3)

2a - 5 - 3a - 3

-a - 8

I hope this helps!

5 0
2 years ago
Read 2 more answers
Solve please. Correctly<br> -9 - 4p = -2(2 + 2p)
miskamm [114]

Answer: -13

hope it helps

6 0
3 years ago
If f​(x​)=x+11 and g(x)=3x^2​, find ​(f+​g)(x​) and ​(f+​g)(5​).
Stella [2.4K]
(f+g)(x) = f(x) + g(x) = x + 11 + 3x^2
(f+g)(5) = f(5) + g(5) = 5 + 11 +3(5^2) = 91
8 0
3 years ago
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