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sesenic [268]
2 years ago
8

Simplify: √(9 − 4√5)

Mathematics
2 answers:
mote1985 [20]2 years ago
6 0

the answer is

0.2360679775

gizmo_the_mogwai [7]2 years ago
3 0

Answer:

11.18

Step-by-step explanation:

√(9 − 4√5)

Remove the outer square root by squaring the equation

√(9-4√5)²

square cancel the square root

9-4√5

5√5

11.18

You might be interested in
Find an equation of the circle with center at (-9,2) and passing through (2,-2) in the form of (x-A)^2+(y-B)^2=C where A,B,C are
Gelneren [198K]
The center going through (-9,2) gives you A and B
(x - - 9)^2 + (y - 2)^2 = r^2
(x + 9)^2 + (y - 2)^2 = r^2

Going from the center to the given point gives you the radius. We need the r^2 which is the way the distance formula works: it will give you r^2. c = r^2

d^2 = (x2 - x1)^2 + (y2 - y1)^2
x2 = -9
x1 = 2
y2 = 2
y1 = -2
r^2 = (-9 - 2)^2 + (2 - - 2)^2
r^2 = (- 11 ) ^2 + (4)^2
r^2 = 121 + 16
r^2 o= 137
So we get
(x + 9)^2 + (y - 2)^2 = 137
4 0
3 years ago
How do I solve this problem? The green dots can be moved
olganol [36]

Answer :

Points at (1, 3) and (3, 3) and (2, 1)

Explanation:

The original graph (dashed) is an absolute value function meaning f(x) = |x|

<u>Given:</u> y = 2f(x - 2) + 1

f(x - 2) means you plug in x - 2 for x in f(x) function

the new graph equation is: y = 2|x - 2| + 1

  • The graph will shift up 1 because +1
  • The graph will shift right because -2
  • The graph has a scale factor of 2
  • The graph is V shaped because it is an absolute value graph

Learn more about Absolute Value here: brainly.com/question/729268

<u>Visual:</u>

8 0
2 years ago
WHOEVER ANSWERS THIS FIRST WITHIN 10 MINUTES GETS VOTED BRAINLIEST
user100 [1]

Answer:

least

x

second least

-1/x

second greatest

x-1

greatest

1-x

Step-by-step explanation:

just put -14 where x is and put it in the calculator.

6 0
2 years ago
Friday’s high temperature was −1°C. The low temperature was −5°C. What was the difference between the high and low temperatures?
Digiron [165]

Answer:

-4C

Step-by-step explanation:

-1 (-4) = -5

4 0
3 years ago
Please please help meeee
Daniel [21]

Answer:

1.5 km

Step-by-step explanation:

Length of pool = 25m

no.of lengths. = 60

Total length of he swim s = 25m* 60

= 1500m

You know , 1000m = 1km ,

so,

He swims 1500m/1000m

= 1.5 km

4 0
2 years ago
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