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vlada-n [284]
3 years ago
11

.............................

Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0

Answer:

B

Step-by-step explanation:

3/r=1/y-2/x

3/r=x-2y /xy

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Find the value of −12 + 8 −(−9). Question 20 options: 5 −13 −5 13
larisa86 [58]

Answer:

5

-12 + 8 = -4

-4 - (-9) = -4 + 9 = 5

Step-by-step explanation:

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2 years ago
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marusya05 [52]
The answer is B I believe
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Explain how to solve the equation and then check the solution.<br><br> 9 = q – 4
Vika [28.1K]

Assignment: \bold{Solve \ And \ Check \ Equation: \ 9=q-4}

<><><><><><><>

Answer: \boxed{\bold{q=13}}

<><><><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><><><>

[ Step One ] Switch Sides

\bold{q-4=9}

[ Step Two ] Add 4 To Both Sides

\bold{q-4+4=9+4}

[ Step Three ] Simplify

\bold{q=13}

[ Step Four ] Check Your Work

\bold{13 \ - \ 4 \ = \ 9}

[ Step Five ] Question: Is Equation Correct

\bold{Equation \ Is \ Correct, \ Therefore \ q=13}

<><><><><><><>

\bold{\rightarrow Mordancy \leftarrow}

5 0
3 years ago
Read 2 more answers
Simplify 7 + (−3) <br> A -10<br> B -4<br> C 4<br> D 10
ANEK [815]

Answer:

4

Step-by-step explanation:

The plus and minus sign cancel each other out so it becomes 7-3=4

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Answer:

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Step-by-step explanation:

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