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gulaghasi [49]
2 years ago
14

What is the length of CB in ABC

Mathematics
1 answer:
kkurt [141]2 years ago
8 0

There needs to be values to answer the question.

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Find the non-extraneous solutions of the square root of the quantity x plus 6 minus 5 equals quantity x plus 1.
denis23 [38]
(x+6)^(1/2)-5=x+1
(x+6)^(1/2)=x+6
((x+6)^(1/2))^2=(x+6)^2
x+6=x^2+12x+36
0=x^2+11x+30
(-11+(11^2-4(1)(30))^(1/2))/2
(-11+((1)^(1/2))/2
(-11+1)/2=-5
(-11-1)/2=-6
((-6)+6)^1/2-5=(-6)+1
(0^(1/2))-5=-5
-6 is non-extraneous
((-5)+6)^1/2-5=(-5)+1
(1^1/2)-5=-4
1-5=-4
-4=-4
-5 is non-extraneous

3 0
3 years ago
The number of endangered species in a jungle decreased from 75 to 30 in one year.
lys-0071 [83]
The percent of decrease would be 60%
7 0
2 years ago
Find an ordered pair that is a solution to the equation.
AveGali [126]

Answer:

(x,y) = (4,1)

Step-by-step explanation:

-4+5\cdot 1 = 5-4 =1

3 0
2 years ago
Read 2 more answers
I need to know number 5 just what it says thank you
Stels [109]

Answer:

C

Step-by-step explanation:

Okay! Time to use the Pythagoras theorem.

a^2 + b^2 = c^2

4^2 + 7^2 = x^2

16 + 49 = c^2

65 = c^2

Let's take the square root of both sides to get

c ~ 8.06

C

:)

5 0
3 years ago
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The sum of three consecutive even integers is 36. Let X represent the first integer X plus to represent the second integer and X
tatuchka [14]

x,\ x+2,\ x+4-\text{three consecutive even integers}\\\\\text{The equation:}\\\\x+(x+2)+(x+4)=36\\\\3x+6=36\ \ \ \ |-6\\\\3x=30\ \ \ \ |:3\\\\x=10\\x+2=12\\x+4=14

6 0
3 years ago
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