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3 years ago

Please answer and quick I will mark u the most Brainly!!!! Fasttt pleaseee

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

6 0

I cant see the question .

motikmotik3 years ago

6 0

Answer:

answer what??????

Step-by-step explanation:

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The solution to -2[1 - 4x] = 3x + 8 is

kvasek [131]

Answer: " 14 " .

________________________

→ " x = 14 " .

________________________

Step-by-step explanation:

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First, let us simplify the expression on the "left-hand side" of the equation:

→ -2(1 −4x) ;

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Note the "distributive property of multiplication" :

→ a(b + c) = ab + ac .

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As such, we can rewrite:

→ -2(1 − 4x) = (-2)(1) + (-2)(-4x) ;

= - 2 + 8x ;

↔ 8x − 2 ;

________________________

Now, rewrite the entire expression:

→ 8x − 2 = 3x + 8 ;

________________________

Subtract "(3x)" from each side of the equation;

and add "2" to each side of the equation:

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→ 8x − 2 − 3x + 2 = 3x + 8 − 3x + 2 ;

to get:

→ 5x = 10 ;

Now, divide each side of the equation by "5" ;

to isolate "x" on side of the equation;

& to solve for "x" ;

________________________

→ 5x/5 = 10/5 ;

to get:

________________________

→ x = 2 .

________________________

Now, let us check our work:

________________________

Plug in "2" for all "x-values" into the original equation;

to see if the equation holds true;

that is, to see if each side of the original equation given has the same value;

when "x = 2" :

________________________

Note the given equation:

________________________

→ -2[1 − 4x] = 3x + 8 ;

________________________

Start with the left-hand side:

→ -2[1 − (4*2)} = -2(1 − 8) = -2(-7) = 14 .

Now, continue with the right-hand side:

→ 3(2) + 8 = 6 + 8 = 14 .

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→ 14 =? 14 ??? ; Yes!

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Hope this is helpful to you!

___________________________________

5 0

3 years ago

You have 100$ in savings account and plan to deposit 20$ each month. Write and graph a linear equation that represents the balan

Nataly_w [17]

Answer:y=20x+100

Step-by-step explanation:

7 0

3 years ago

PLS ANSWER QUICK The science center has 200 people in attendance on Monday. The center expects Saturday’s attendance to be 140 p

Rzqust [24]

Answer:

solution

100%=200

140%=?

=280

4 0

3 years ago

Find the slope of the line. Write your answer in simplest form.

Masja [62]

Answer:

1/6

Step-by-step explanation:

The rise is 1 and the run is 6

7 0

3 years ago

Find the distance from point C to point D.

sineoko [7]

The tangent or tanθ in a right-angle triangle is the ratio of its perpendicular to its base. The distance from point C to point D is 258.8 meters.

<h3>What is Tangent (Tanθ)?</h3>

The tangent or tanθ in a right-angle triangle is the ratio of its perpendicular to its base. it is given as,

$\rm Tangent(\theta) = \dfrac{Perpendicular}{Base}$

where,

θ is the angle,

Perpendicular is the side of the triangle opposite to the angle θ,

The base is the adjacent smaller side of the angle θ.

The distance from point C to D is equal to the distance from point A to B. Therefore, the height of the building can be written as,

Tan(25°) = AB / BC

Tan(25°) × 555 m = AB

AB = 258.8 meters

Hence, the distance from point C to point D is 258.8 meters.

Learn more about Tangent (Tanθ):

brainly.com/question/10623976

#SPJ1

3 0

2 years ago