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JulsSmile [24]
3 years ago
8

The multiplicative inverse of (-4)⁻² is (4)⁻². True False

Mathematics
1 answer:
timofeeve [1]3 years ago
3 0

Answer: false

Step-by-step explanation:

The exponents would have to have a different sign from each other (positive or negative), not the integer.

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-10(10x-12)=-9(-9x-2)-5
Viefleur [7K]

10(10x−12)=−9(−9x−2)−5
Step 1: Simplify both sides of the equation.
−10(10x−12)=−9(−9x−2)−5
(−10)(10x)+(−10)(−12)=(−9)(−9x)+(−9)(−2)+−5(Distribute)
−100x+120=81x+18+−5
−100x+120=(81x)+(18+−5)(Combine Like Terms)
−100x+120=81x+13
−100x+120=81x+13
Step 2: Subtract 81x from both sides.
−100x+120−81x=81x+13−81x
−181x+120=13
Step 3: Subtract 120 from both sides.
−181x+120−120=13−120
−181x=−107
Step 4: Divide both sides by -181.
−181x
−181
=
−107
−181
x=
107
181
Answer:
x=
107
181

7 0
3 years ago
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What does a obtuse angle look like
AfilCa [17]

Answer:

90 degrees and up

Step-by-step explanation:

3 0
3 years ago
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Thank you so much. (20 characters required)
padilas [110]
#3.
 √18²-5.7²    Second Choice

#4
l²=5²+4² = 25+16 = = 41
l=√41
l= 6.4

Second Choice

#5 Only A --- First choice

#7 6 ----- Third choice

#8 V= \pi r^2(h)=  \pi 10^2(3) = 314(3)=942  units³ ---Second choice


6 0
3 years ago
If you died with braces on would they take them off?
Lady bird [3.3K]

Answer:

Uhm, I don't think so could you payed for braces or your insurance paid for them.

6 0
3 years ago
Find the approximate solution of this system of equations. y=x^2+5x+3 y=square root2x+5
Anni [7]
We have that
y=x²<span>+5x+3
y=</span>√(<span>2x+5)

using a graph tool
see the attached figure

the solution is 
x=-0.175
y=2.156

therefore

the answer is the option
</span>B.) (-0.2, 2.1)

6 0
3 years ago
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