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vodka [1.7K]
3 years ago
10

Which equations illustrate the commutative property of addition?

Mathematics
1 answer:
steposvetlana [31]3 years ago
8 0
I believe it is A and D. All you have to do is add them all together and if both sides are the same then its a correct answer. 
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Please help me it would mean the world if you helped
mash [69]

Answer:

i think its y=-1x+-1

Step-by-step explanation:

7 0
3 years ago
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Six compared to 11 is the same as 84 compared to what number A.154 B.155 C. 145 D. 146
Alex777 [14]

Answer:

A

Step-by-step explanation:

\frac{6}{11}  =  \frac{84}{?}  \\  = 154

5 0
3 years ago
Given the formula A =pieab solve for a.
Romashka [77]

Answer:

a = A/πb

Step-by-step explanation:

To solve this subject of the formulae given that A = πab.

<u>solution</u>

A = πab

the next step is to look for a unique way to get rid of the variables disturbing "a" from standing alone. this variables are π and b, we need to detach dem from a

A = πab

divide both sides by πb

A/πb = πab/πb

A/πb = a

a = A/πb

therefore  the value of a in the fomular A = πab is evaluated to be  a = A/πb

5 0
3 years ago
AB and CD are straight line segments.
frutty [35]

Answer:

<h2>i) Angle AOC is 95° </h2>

Reason:- Angle AOC is equal to Angle DOB since they are Vertically Opposite Angles.

<h2>ii) Angle BOC is 85°</h2>

Reason:- Angle AOC + Angle BOC - 180° (they lie in a straight line so they are a linear pair. Sum of the angles will be 180°)

Angle AOC is 95°, So:-

95° + Angle BOC = 180°

Angle BOC= 180° - 95°

<h3><u>Angle BOC = 85°</u></h3>

<u></u>

<h2>iii) Angle DOE is 17°</h2>

Reason:- Angle AOE+ Angle DOE+ Angle DOB = 180° (they lie in a straight line so they're a linear pair. Sum of the angles will be 180°)

So,

68° + Angle DOE+ 95° = 180°

163° + Angle DOE = 180°

Angle DOE= 180° - 163°

<h3><u>Angle DOE is 17°</u></h3>
5 0
3 years ago
Complete the following statement of congruence
alex41 [277]

Answer:

Option A. Triangle STR

Step-by-step explanation:

we know that

If two triangles are congruent, then the corresponding sides and the corresponding angles are congruent

In this problem

If the two triangles of the figure are congruent

then

the corresponding sides are

MN and RS

NO and ST

MO and RT

and the corresponding angles are

∠N≅∠S

∠O≅∠T

∠M≅∠R

therefore

NOM≅STR

5 0
3 years ago
Read 2 more answers
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