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Elis [28]
3 years ago
6

Could you please show work :)

Mathematics
1 answer:
ira [324]3 years ago
6 0

Answer:

x= 12/7

Step-by-step explanation:

3x+4x=12

Step 1: Simplify both sides of the equation.

3x+4x=12

(3x+4x)=12(Combine Like Terms)

7x=12

7x=12

Step 2: Divide both sides by 7.

7x  7 = 12 7 x= 12 7

12/7

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Geometry - Triangle d) In the given figure, BE = EC and CE is the bisector of ZACB. Prove that ZBEC = ZACD. E B D С​
Llana [10]

Answer:

Let m∠BCE = x

Then m∠ACE = x as well since CE is bisecting ∠ACB.

  • m∠ACD + x + x = 180° ⇒
  • m∠ACD = 180° - 2x

Consider ΔBEC

<u>Since BE = EC, the opposite angles are congruent:</u>

  • ∠BCE ≅ ∠CBE

<u>Then:</u>

  • m∠CBE = m∠BCE = x

<u>Find the angle BEC:</u>

  • m∠BEC = 180° - (x + x) = 180° - 2x

<u>Comparing the above we see that:</u>

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  • proved

8 0
2 years ago
Trigonometric ratios, Side length. 15 points AND brainliest.
Oduvanchick [21]

Answer:

Side GI= 2

Step-by-step explanation:

Photo attached, used SOH CAH TOA method.

8 0
3 years ago
Which expressions are equivalent to 10 over 10 to the 3/4 power?
lianna [129]

Answer:

10 power 10 4/4

10 power 1/4

power 3 root 10 power 4

4 ROOT 10

Step-by-step explanation:

3 0
2 years ago
Which sets of three numbers could represent the lengths of the sides of a right triangle? 12, 15, 21
castortr0y [4]

Look at the pictures! :)

HOPE THIS HELPED! HAVE A GREAT DAY! :)

6 0
3 years ago
Which of the following equations describe the line shown below? <br><br>Check all that apply.
WITCHER [35]
Here, first we need to calculate the slope of the line, 
Here, Coordinates = (-6, 2) (-1, -4)
m = y2 - y1 / x2-x1
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Second coordinate: y + 4 = -6/5 (x + 1)

In short, Your Answers would be Option C & D

Hope this helps!
6 0
3 years ago
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