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2 years ago

What is the answer of 2/3+12a

Mathematics

2 answers:

viktelen [127]2 years ago

3 0

2(1/3+6a)
this is the answer

Nata [24]2 years ago

3 0

Answer:

-1/4

Step-by-step explanation:

2/3+12a=0

3+12a=3×0

3+12a=0

12a=-3

a=-3/12

a=-1/4

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a multiplication that corresponds to each division 10 divided by 5=?, b. 4.5 divided by 3, 1/2 dvided by 4=?

katen-ka-za [31]

Answer:

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2*5=10

4.5 divided by 3=1.5

3*1.5=4.5

1/2 divided by 4=1/8

4*1/8=4/8=1/2

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2 years ago

What's the anwser to 5 6 7

ExtremeBDS [4]

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crimeas [40]

Answer:

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Step-by-step explanation:

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2 years ago

Given PA=13 in. and CB=15 in.<br><br> What is CA ?

alexandr1967 [171]

Triangles CPA and CPB are both right triangles. They share a leg, so that leg in one triangle is congruent to that leg in the other triangle. We are given that PA is congruent to PB by the hash marks on the diagram. Thus two legs and an included angle are congruent between the triangles.

... ∆CPA ≅ ∆CPB by the SAS postulate

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If sin theta = -1/2 and lies in the third quadrant, what is the cos?

never [62]

Sin angle that equals the 1/2 value is the 30 degree on the 1st Quadrant.

The angle of 30 degree on the 3rd Quadrant is equivalent to (formula and circle in the 1st photo) 180 + 30 = 210°.

So theta = 210° (3rd Quadrant) = 30° (1st Quadrant).

$cos \: 30\degree = \sqrt{3} \div 2$

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3 years ago