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Darya [45]
3 years ago
6

Which rational expression is equal to a positive whole number when evaluated?2 ^1/28 ^1/312 ^1/415 ^1/5

Mathematics
1 answer:
madreJ [45]3 years ago
3 0
<span>2 ^1/2
8 ^1/3  = (2³)^1/3 = 2
12 ^1/4
15 ^1/5

</span>
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Geometry! Please help. See image. BRAINLIEST!
Nadya [2.5K]

Answer:

B. r_{x-axis}(x,y) \circ R_0,90\degree)

Step-by-step explanation:

The vertices of triangle ABC have coordinates A(5,2) B(2,4) and C(2,1).

The mapping for reflection in the x-axis is

(x,y)\to (x,-y)

When we reflect triangle ABC in the x-axis, we obtain

A1(5,-2) B1(2,-4) and C1(2,-1).

The mapping for 90 degrees clockwise rotation about the origin is

(x,y)\to (y,-x)

When we rotate the resulting triangle through 90 degrees clockwise above the origin, we obtain;

A2(-2,-5) B2(-4,-2) and C2(-1,-2).

The vertices of triangle A''B''C'' also have coordinates A''(-2,-5) B''(-4,-2) and C''(-1,-2).

Hence the rule that describes the composition of transformation that maps ABC to A''B''C'' is

R_0,90\degree \circ r_{x-axis}(x,y)

The correct choice is B.

7 0
3 years ago
A shop is having a 10% off sale. Find the sale price of a cap which normally costs $12?
Ganezh [65]

Answer:  $10.8

Step-by-step explanation:  To do this, we need to find 90% of $12 because the cap is 10% off. We can do this by multiplying 12 by 0.9.  12 x0.9 = 10.8.

4 0
1 year ago
Answer it please ↓↓
aliya0001 [1]

Step-by-step explanation:

hope this helps to u......

8 0
3 years ago
in a triangle, a 32° angle is between two sides of 6 feet and 8 feet. what is the length of the thrid side, in feet?​
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Answer:

4.3 feet

Step-by-step explanation:

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