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torisob [31]
2 years ago
12

Simplify (4/5)^-2. Show your work! PLEASE HELP ASAP! 40 POINTS!

Mathematics
1 answer:
Olenka [21]2 years ago
5 0

Answer: (16/25)

Step-by-step explanation: That's -(4/5) x -(4/5) = (16/25). It's that answer because a negative times a negative equals a positive. The exponent in the problem is telling you to multiply -4/5 times itself 2 times.

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Two angles are supplementary. One is 56° more than three times three times the other. Find the measures of the angles.
kaheart [24]
Supplementary means they equal 180 when added. Therefore:

X+56+3x=180
Combine common units
4x+56=180
Subtract 56 from both sides
4x=124
Divide by 4
X=31

Now we know the smaller angle is 31 degrees. Now we plug that into the larger angle:
3(31)+56
93+56
149

The larger angle is 149 degrees.

I hope this Helps!
8 0
3 years ago
Anyone know the answer ?
vodomira [7]
Hello
Rational Numbers
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3 years ago
There are 15 boys and 15 girls at a party. Each boy shakes hands with exactly five people and each girl shakes hands with exactl
vlabodo [156]

Answer:

180 I think

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4 0
3 years ago
Read 2 more answers
Can someone answer these!
vitfil [10]

4×2=8

9x5=45

answer: 8/45

6 0
2 years ago
When she subtracts 4 from both sides, Startfraction one-half EndFraction x equals negative StartFraction one-half EndFraction x.
timama [110]

The value of x in the equation 1/2x = -1/2x when 4 is subtracted from both sides is 0(not defined)

Subtraction of fraction

Startfraction one-half EndFraction x equals negative StartFraction one-half EndFraction

1/2x = -1/2x

  • Subtract 4 from both sides

1/2x - 4 = -1/2x - 4

(x-8) / 2 = (-x-8) / 2

(x - 8) / 2 = (-x-8) / 2

  • cross product

2(x - 8) = 2(-x - 8)

2x - 16 = -2x - 16

2x + 2x = -16 + 16

4x = 0

Learn more about fraction:

brainly.com/question/11562149

#SPJ1

7 0
2 years ago
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