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aivan3 [116]
3 years ago
11

In the figure above abc is a square .. what is the value of x?

Mathematics
1 answer:
Len [333]3 years ago
4 0

If ABCD is a square, then m∠A = 90°.

Therefore we have the equation:

30° + 48° + x° = 90°

78° + x° = 90° |-78°

x° = 12°

Answer: 12

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<img src="https://tex.z-dn.net/?f=%5Csqrt%5Cfrac%7B9%7D%7Bx-4%7D" id="TexFormula1" title="\sqrt\frac{9}{x-4}" alt="\sqrt\frac{9}
Tatiana [17]

For this case we have that by definition of properties of powers and roots, it is fulfilled that:

\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}

n

a

m

=a

n

m

So:

\sqrt [4] {9 ^ {\frac {1} {2} x}} = 9 ^ {\frac {\frac {1} {2}} {4} x} = 9 ^ {\frac {1} {8} x}

4

9

2

1

x

=9

4

2

1

x

=9

8

1

x

So, we have to:

\sqrt [4] {9 ^ {\frac {1} {2} x}} = 9 ^ {\frac {1} {8} x}

4

9

2

1

x

=9

8

1

x

Answer:

9 ^ {\frac {1} {8} x}9

8

1

x

Option B

pa heart mo na at i reat mo ko at i follow

7 0
2 years ago
Evaluate for x = 3 and y = 4: x^-2y^2 / x^0y^3
luda_lava [24]

Answer:

the answer im getting is 8y^5x  sorry if its wrong

Step-by-step explanation:

https://www.symbolab.com/solver/step-by-step/4%3Ax%5E%7B-%7D2y%5E%7B2%7D%2Fx%5E%7B0%7Dy%5E%7B3%7D?or=input

5 0
3 years ago
The senior classes at High School A and High School B planned separate trips to the indoor climbing gym. The senior class at Hig
Airida [17]

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A van can carry 15 students and a bus can carry 966 students

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3 years ago
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Lerok [7]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
Please help!!! Circle theorems
il63 [147K]

Answer:

n+35=180

n=180-35

n=145

6 0
3 years ago
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