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STALIN [3.7K]
3 years ago
9

Evaluate.

qrt{81} " align="absmiddle" class="latex-formula">
.......
​
Mathematics
1 answer:
loris [4]3 years ago
5 0

Answer:

Step-by-step explanation:

First find factors of 81

3 81

3 27

3 9

3 3

1

81 = 3×3×3×3

81 = 3^4

Taking squareroot

∴ -√81 = -√3^4

= -3^2

= -9

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the angles of a triangle are in the ratio 3:4:5. what is the degree measure of the smallest angle of the triangle?
Alik [6]
A triangle interior angles add up to 180

so we have 3:4:5
the ratio of the angles
 3+4+5=12
therefor 180=12 units
divide by 12
15=1 unit
subsitute
find the smallest unit
3
3 times 15=45
answer is 45 degrees
6 0
3 years ago
I need help !!!!!!!!!!!!!!!
koban [17]
Angle B= 45 degrees
Angle A = 45 degrees

A and B are congruent since they are alternate exterior angles
5x-15 = 2x +21
5x = 2x +36
3x=36
X=12
B)
2x12+21 = 45
A)
5x12-15 =45
3 0
3 years ago
Read 2 more answers
What is the value of x? Also show work pls
drek231 [11]

Answer:

x = 34

Step-by-step explanation:

The angles are corresponding angles and corresponding angles are equal if the lines parallel

2x+3 = 71

Subtract 3 from each side

2x+3-3 = 71-3

2x = 68

Divide by 2

2x/2 = 68/2

x = 34

4 0
3 years ago
What is 1/12 of 162.56
butalik [34]
The answer would be 13.546

you would do 162.56 divided by 12.
4 0
3 years ago
What is the slope of the line represented by the equation y = -x-3?
wariber [46]

Answer:

(C) 1/3

Step-by-step explanation:

The slope intercept form: y = mx + b.

Note:

m = slope

b = y-intercept

x & y = (x , y) for the points.

You are trying to get the y-intercept of the following function given:

f(x) or y = (-2/9)x + (1/3)

1/3 is your answer, or (C), for 1/3 replaces the <em>b</em> inside the equation.

If you really need the slope, the slope of the following equation is (-2/9), which replaces the <em>m</em> inside the equation.

~

5 0
4 years ago
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