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3 years ago

11

Negative three times the sum of two times a number and 1 is equal to 5.” Write an equation that represents the equation, then so

lve

1 answer:

Kamila [148]3 years ago

8 0

So, we need to consider what is being done.

So, lets start with the -3.

-3*

Now, lets see what's next

2 times a number is the same as saying 2x, then add one.

That is equal to five.

-3(-2x+1)=5

Now,

6x-3 = 5

6x = 8

x= 8/6

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Please answer this question!! <3 <4 <5 <6 <9

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The correct answer is option C which is the angle LMO is 50°

<h3>What is trigonometry?</h3>

The branch of mathematics sets up a relationship between the sides and the angles of the right-angle triangle termed trigonometry.

Given that:-

∠O = 70°

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As we know that the sum of the three angles are 180 degree applying this relation:-

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Therefore the correct answer is option C which is the angle LMO is 50°

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3 years ago

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3. What is the slope of the line through the points (2, 5) and (6, 13)?

White raven [17]

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3 years ago

GEOMETRY PROOFS!

yarga [219]

From the given figure ,

RECA is a quadrilateral

RC divides it into two parts

From the triangles , ∆REC and ∆RAC

RE = RA (Given)

angle CRE = angle CRA (Given)

RC = RC (Common side)

Therefore, ∆REC is Congruent to ∆RAC

∆REC =~ ∆RAC by SAS Property

⇛CE = CA (Congruent parts in a congruent triangles)

Hence , Proved

<em>Additional</em><em> comment</em><em>:</em><em>-</em>

SAS property:-

"The two sides and included angle of one triangle are equal to the two sides and included angle then the two triangles are Congruent and this property is called SAS Property (Side -Angle-Side)

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