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asambeis [7]
2 years ago
11

X-3 / 4 = x/2 please shows the steps :)

Mathematics
1 answer:
ELEN [110]2 years ago
4 0

\\ \rm\longmapsto \dfrac{x-3}{4}=\dfrac{x}{2}

\\ \rm\longmapsto 2(x-3)=4x

\\ \rm\longmapsto x-3=\dfrac{4x}{2}

\\ \rm\longmapsto x-3=2x

\\ \rm\longmapsto x-2x=3

\\ \rm\longmapsto -x=3

\\ \sf\longmapsto x=-3

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a counter top is in the shape of a trapizoid . the lengths of the base is 70 1/2 and 65 1/2 inches long. the area of the counter
Grace [21]
I attached a photo of the work below :-) 

Area of a trapezoid= [(a+b)÷2]h
1,224 in²= [(65.5 in+70.5in)÷2]h
1,224in²= (136÷2)h
1,224 in²= 68h
(1,224 in²÷68)= 68h÷68 (elimination)
h= 18 inches

4 0
3 years ago
Triangle ABC is shown on the coordinate grid. The coordinates of each vertex of the triangle are integers.
Aleksandr [31]

Answer:

m=-4/3

Step-by-step explanation:

Rise/run

it goes up -4 units and over 3

-4/3

6 0
2 years ago
It took a plane 2 hours to go from Dallas to NY with the head wind and 1.5 hours to get back with the tail wind. If the speed of
vladimir2022 [97]

Answer:

360 miles

Step-by-step explanation:

let speed of plane be x

speed of wind be c

Also note D = RT, where

D is distance and R is rate and T is time

<u>For First Leg:</u>

we can write:

(x - c) * 2 = D

2x - 2c = D

<u>For Second Leg:</u>

we can write:

(x+c)*1.5 = D

1.5x + 1.5c = D

We can equate and write:

2x - 2c = 1.5x + 1.5c

0.5x = 3.5c

We know Speed of Wind, c, is 30, so we have:

0.5x = 3.5(30)

0.5x = 105

x = 105/0.5 = 210 [speed of airplane]

We know distance is

D = 2x - 2c

D = 2(210) - 2(30)

D = 420 - 60

D = 360 miles

The distance is 360 miles

6 0
3 years ago
50-3n what is the value of n
zavuch27 [327]

Step-by-step explanation:

50-3n

or,50=3n

or,50/3=n

or,n=16.67

Thus,the value of n is 16.67.

4 0
3 years ago
I xant solve for the value of K
exis [7]
K = -3x^2/5 -5x -3 + px/5. I hope that helps.
4 0
3 years ago
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