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4 years ago

Help i have confusing?

Mathematics

2 answers:

STatiana [176]4 years ago

6 0

Answer:

Commutative Property, the third one is Associative Property

Step-by-step explanation:

Alecsey [184]4 years ago

6 0

Answer:

Associative property

Step-by-step explanation:

On the second line, two of the numbers are switched, this is associative property, which is the numbers in an addition or multiplication problem can be put into any order because you will get the same answer

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Ndiba left the hardware store and drove toward the train station. Willie left one hour later driving 10 mph faster in an effort

sasho [114]

Total timeof Ndiba =1+3=4hours

$\boxed{\sf Distance=Speed(Time)}$

Let

Ndibas speed be x
Willies speed=x+10

Both travelled same distance

$\\ \sf\longmapsto 4x=3(x+10)$

$\\ \sf\longmapsto 4x=3x+30$

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2 years ago

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astraxan [27]

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3 years ago

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Luda [366]

Answer:

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Step-by-step explanation:

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3 years ago

Determine whether the triangles are similar. or not.

mr Goodwill [35]

Answer:

Step-by-step explanation:

We know that ∠ $ABE$ ≅ ∠ $DBC$ because they are vertical angles, so that's one pair of congruent angles. However, we can't compare ∠ $BAE$ and ∠ $DCB$ as they have different measures, so we'll have to find the measure of either ∠ $AEB$ or ∠ $BDC$ . Let's go with the former. Using the fact that the sum of the measures of the interior angles of a triangle is $180$ °, we know that $m$ ∠ $AEB=180-(53+42)=180-95=85$ °. Now, we know that ∠ $AEB$ ≅ ∠ $DCB$ because their measures are equal. That's another pair of congruent angles. Therefore, the angles are similar by $AA$ . Hope this helps!

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3 years ago

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wariber [46]

Answer:

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Step-by-step explanation:

sin 255 = −0.965925826289068

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3 years ago

Read 2 more answers