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Advocard [28]
2 years ago
9

Find x in the equation, 4(3x+1)=28

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
7 0

Assignment: \bold{Solve \ Equation: \ 4\left(3x+1\right)=28}

<><><><><><><>

Answer: \boxed{\bold{x=2}}

<><><><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><><><>

[ Step One ] Divide Both Sides By 4

\bold{\frac{4\left(3x+1\right)}{4}=\frac{28}{4}}

[ Step Two ] Simplify

\bold{3x+1=7}

[ Step Three ] Subtract 1 From Both Sides

\bold{3x+1-1=7-1}

[ Step Four ] Simplify

\bold{3x=6}

[ Step Five ] Divide Both Sides By 3

\bold{\frac{3x}{3}=\frac{6}{3}}

[ Step Six ] Simplify

\bold{x=2}

<><><><><><><>

\bold{\rightarrow Mordancy \leftarrow}

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What is the equation of the line that is perpendicular to the given line and passes through the point (5,3)
Pani-rosa [81]

perpendicular lines have a slope that is a negative reciprocal


A) 4x-5y=5

subtract 4x

solve for y

-5y = -4x+5

divide by -5

y = 4/5 x+5   slope is 4/5  perpendicular slope is -5/4

y -y1 =m(x-x1)  point slope form of a line

y-3 = -5/4 (x-5)

B)  5x+4y = 37

subtract 5x

4y =-5x +37

divide by 4

y =-5/4 x +37/4  slope is -5/4 perpendicular slope is 4/5

y -y1 =m(x-x1)  point slope form of a line

y-3 = 4/5 (x-5)

C)4x+5y=5

subtract 4x

5y = -4x +5

divide by 5

y = -4/5 x +1

y =-4/5 x +1  slope is -4/5 perpendicular slope is 5/4

y -y1 =m(x-x1)  point slope form of a line

y-3 = 5/4 (x-5)

D)5x-4y=8

subtract 5x

-4y = -5x+8

divide by -4

y = 5/4 x-2

y =5/4 x +-2 slope is 5/4 perpendicular slope is -4/5

y -y1 =m(x-x1)  point slope form of a line

y-3 = -4/5 (x-5)



6 0
3 years ago
Find The difference 25(d−10)−23(d+6) is
Vesna [10]

Answer:

2d-388 or 2(d-194)

Step-by-step explanation:

25(d-10)-23(d+6)

25d-250-23d-138

25d-23d-250-138

2d-250-138

2d-388

factor out or simplify,

you get 2(d-194)

8 0
2 years ago
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If someone tells you your body temperature is 98.6°, what scale is being used? How do you know?
Alla [95]

Answer:

Fahrenheit

Step-by-step explanation:

When I am getting my temperature checked, it is usually checked in Fahrenheit, and my temperature is around 98.6 degrees.

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3 years ago
Solve. 2(2z – 4) = 4​
Oxana [17]

Answer:

z = 3

Step-by-step explanation:

1) Divide both sides by 2.

2z - 4 =  \frac{4}{2}

2) Simplify 4/2 to 2.

2z - 4 = 2

3) Add 4 to both sides.

2z = 2 + 4

4) Simplify 2 + 4 to 6.

2z = 6

5) Divide both sides by 2.

z =  \frac{6}{2}

6) Simplify 6/2 to 3.

z = 3

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2 years ago
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Dima020 [189]

Answer:

x^2 -12x+36

Step-by-step explanation:

x^2 – 12x

Take the coefficient of x

-12

Divide by 2

-12/2 = 6

Square it

6^2 = 36

We need to add 36 to make x^2 -12x a perfect square trinomial

x^2 -12x+36

8 0
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