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ArbitrLikvidat [17]
3 years ago
7

X + 3 = 15 Solve the equation and check for the solution

Mathematics
2 answers:
dangina [55]3 years ago
3 0

Answer:

x=12

Step-by-step explanation:

move the 3 to the other side to get x by itself.

check: 12 + 3 = 15

Alex17521 [72]3 years ago
3 0

Answer:

(Not sure)

x = 12

Step-by-step explanation:

x + 3 = 15

CLT

X = 15-3

× = 12

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Help my little sister wanted me to ask you guys
SVEN [57.7K]

Answer: 20 meters

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
The measure of angle C is 20.5 angles C and D are complementary angles Find m
Kobotan [32]

Answer:

69.5 if C and D both add up to 90, M=90 if both angles C and D were complementary to combine to a supplementary.

Step-by-step explanation:

You're trying to find m which is a variable for measurement for the "D" angle.

Info Given:

20.5 for angle C

Unknown for angle D

Both angles are Complementary.

_____________________________________________

I have 2 answers for this (The question was stated unclearly so I have 2 interpretations of this)

1st Answer:

If you're asking to solve for M but the C and D angles add up to 90 then do

90 - 20.5 = 69.5

2nd Answer:

We know that both angles are complementary which are 90-degree angles.

If we combine them then the angles add up to 180.

So C and D add up to form a Supplementary Angle.

20.5+69.5 + m = 180

Then M could possibly be 90.

5 0
2 years ago
Fie ∆ABC dreptunghic,m(unghiului B)=90°.Punctul M este mijlocul ipotenuzei.Stiind ca m(unghiului A)=30°si MC =3,2cm.Aflati perim
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Answer:

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Step-by-step explanation:

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4 years ago
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What grade is this taught in

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