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3 years ago

2(4x-5)=2(4+3x) What the Equation PLZ HELPPP

Mathematics

1 answer:

Bezzdna [24]3 years ago

3 0

Answer:

x = 9

Step-by-step explanation:

ur welcome

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HELP PLEASE!!! 10 PTS!!

allsm [11]

Answer:

m∠DEC = 78°

Step-by-step explanation:

Given information: AC = AD, AB⊥BD, m∠DAC = 44° and CE bisects ∠ACD.

If two sides of a triangles are congruent then the opposite angles of congruent sides are congruent.

AC = AD (Given)

$\angle ADC\cong \angle ACD$

$m\angle ADC=m\angle ACD$

According to the angle sum property, the sum of interior angles of a triangle is 180°.

$m\angle ADC+m\angle ACD+m\angle DAC=180$

$m\angle ACD+m\angle ACD+44=180$

$2m\angle ACD=180-44$

$2m\angle ACD=136$

Divide both sides by 2.

$m\angle ACD=68$

CE bisects ∠ACD.

$m\angle ACE=m\angle DCE=\dfrac{\angle ACD}{2}$

$m\angle ACE=m\angle DCE=\dfrac{68}{2}$

$m\angle ACE=m\angle DCE=34$

Use angle sum property in triangle CDE,

$m\angle CDE+m\angle DCE+m\angle DEC=180$

$68+34+m\angle DEC=180$

$102+m\angle DEC=180$

Subtract 102 from both sides.

$m\angle DEC=180-102$

$m\angle DEC=78$

Therefore, the measure of angle DEC is 78°.

6 0

3 years ago

If f(x)=7x-3, what is the value of x when f(x)=1

frosja888 [35]

Set up your equation:
1 = 7x - 3

Add 3 to both sides:
7x = 4

Divide both sides by 7:
x = 4/7

Hope this helps!

3 0

2 years ago

Why don't ants get sick

sveticcg [70]

Answer:

because they have little anty bodies.

Step-by-step explanation:

i don't know

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3 years ago

Graph the function f(x)= -{x}

matrenka [14]

Step-by-step explanation:

Source: Desmos.

Graph represents the function: f(x)= -{x}

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2 years ago

Whats the answer for y - 6 > -7

lakkis [162]

Answer:

y>−1

Step-by-step explanation:

y-6>-7

Add 6 to both sides

y-6+6 > -7+6

Simplify

y>-1

7 0

2 years ago

2(4x-5)=2(4+3x) What the Equation PLZ HELPPP​

2(4x-5)=2(4+3x) What the Equation PLZ HELPPP