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Hatshy [7]
2 years ago
11

Simplify the expression.13[6^2/(5^2-4^2)+9] 181 169 26 585

Mathematics
1 answer:
Zina [86]2 years ago
7 0
So 5^2 -4^2 is 25-16 which is 9
6^2/9 is 36/9 which is 4 +9 is 13
13(13) is 169
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Select the best answer for the question
kozerog [31]
X=9 this is the answer for question 19

6 0
3 years ago
Solve by square rooting : 3(X+2)^2:8​
dolphi86 [110]

The value of x is √8/3 - 2

Step by step explanation:

The given equation is

3(x+2)^2=8

To find x,

(x+2)²= 8/3

By taking square root on both sides

x+2= √8/3

x=√8/3 -2

x= -0.37

Thus the square root for the given value is -0.37

3 0
3 years ago
Please could I have some help :)
nirvana33 [79]

Answer:

a) x = 128 degrees

b) Angle APD is the arc angle, which is equal to the central angle x subtended by the arc.  Therefore angle APD = 128 degrees (and not 116 degrees)

Step-by-step explanation:

Given:

attached diagram

ABC is a straight line

Solution:

a) Find x

ABC is a straight line

angle ABD = supplement of CBD = 180-CBD = 180-116 = 64 degrees.

x is the central angle of the arc APD

so angle ABD is the inscribed angle which equals half of the arc angle =>

angle ABD = x/2 = 64 degrees

Solve for x

x/2 = 64

x = 2*64

x = 128 degrees

b.

Angle APD is the arc angle, which is equal to the central angle x subtended by the arc.  Therefore angle APD = 128 degrees (and not 116 degrees)

5 0
3 years ago
Read 2 more answers
Write the following value in scientific notation: 0.00000000004589.
Y_Kistochka [10]

Answer:

4.589×10to the power of -11

Step-by-step explanation:

3 0
2 years ago
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Find the constant of variation if x and y vary directly and x = 6 when y= -2/3 ?
elena-14-01-66 [18.8K]

Answer:

a.

k= 5/22

Step-by-step explanation:


3 0
3 years ago
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