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charle [14.2K]
2 years ago
11

Which of the following is a pair of equivalent radical expressions?

Mathematics
2 answers:
Harlamova29_29 [7]2 years ago
6 0
B. The square root of 180 and 3 the square root of 20 are equal
zmey [24]2 years ago
5 0
B is the answer because hanckamxxhajansjaakamskxnsnsjs
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Work out the size of angle x ​
Naily [24]

Answer:

50

Step-by-step explanation:

42+123=165

165+50=215

215+145=360

5 0
3 years ago
Read 2 more answers
Each of 5 boys randomly chooses a watch from 12 different styles. What is the probability that at least 2 boys choose the same t
aleksley [76]

Answer:

Ok. So we have 12 different styles of watches to choose from, so that means that the total number of combinations of styles for 5 boys is 12*12*12*12*12, since each boy has his pick of 12 options.

The way to answer this question is by way of the complementary rule: We want the number of ways that the boys can all have different styles. So the first boy to pick has 12 options available to him, the second boy has 11 options available to him, the 3rd boy has 10 options available to him, so on and so forth.

So the probability that the boys all have different watches is (12*11*10*9*8)/12^5= .3819.

To find the probability that at least two boys have the same style would just be 1 -.3819 = 6181

7 0
2 years ago
Point g is located at (3,6) on the coordinate plane. Point G is reflected over the x-axis to create point G'. Point G' is then r
dmitriy555 [2]

-Answer:

(-3. -6)

Step-by-step explanation:

G (3,6)

x axis reflect

G' (3, -6)

y axis reflect

G'' (-3. -6)

6 0
2 years ago
What is the answer to 11 - ( - 13)
AleksandrR [38]

Answer:

24

Step-by-step explanation:

Two negatives make a positive.

11 + 13 = 24

4 0
3 years ago
Read 2 more answers
Can you pls solve this???
Molodets [167]
Since the exterior angle of a triangle is equal to the sum of the interior opposite angles, angle 5 = 90 + angle 1.

Given that angle 5 = 147, 147 = 90 + x.
x = 57 degrees.

So, angle 1 is 57 degrees.
5 0
3 years ago
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