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3 years ago

Step by step how to solve -2.3x=.46

1 answer:

7 0

-2.3 x = 0.46
Step 1:
Divide each side by -2.3 : x = - 0.46 / 2.3

Step 2:
To simplify the fraction,
divide -0.46 by 2.3 : x = - 0.2

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Find the solutions of the systems -6x-2y=8 and 7x-2y=-5

Daniel [21]

Answer:

y=4

x= 3/7

Step-by-step explanation:

2y=8

Divide both sides by 2

2y÷2=8÷2

A.) y=4

Substitute 4 for y

7x−2y=−5

7x+(−2)(4)=−5

Simplify both sides of the equation.

7x−8=−5

Add 8 to both sides

7x−8+8=−5+8

7x=3

Divide both sides by 7

7x÷7= 3÷7

x= 3

7 0

3 years ago

The total area of the polygon is 176 square feet. Find the value of x.

My name is Ann [436]

Answer:

x = 6 ft

Step-by-step explanation:

Total area of the given polygon = Area of triangle 1 + Area of rectangle 2 + Area of triangle 3

Area of triangle 1 = Area of triangle 3 = $\frac{1}{2}(\text{Base})(\text{Height})$

= $\frac{1}{2}(x)(8)$

= 4x square feet

Area of rectangle 2 = Length × Width

= 16 × 8

= 128 square feet

Total area of the given polygon = 4x + 128 + 4x

176 = 8x + 128

8x = 176 - 128

x = $\frac{48}{8}$

x = 6 ft

5 0

3 years ago

Read 2 more answers

What is being done to the variable in the equation = -40?

creativ13 [48]

Answer:

3rd one

Step-by-step explanation:

because of the cheese

3 0

3 years ago

Read 2 more answers

What is an equation of the line that passes through the points (6, -7) and (-6, 3)?

Mars2501 [29]

Two point form:
y-(-7)/3-(-7)=x-6/-6-6
Rearrange to get y=-5/6x -2 (slope intercept form)
or y= 5x+6y=-12 (standard form)

8 0

2 years ago

What inequality is equivalent to |x-4| <8?

Furkat [3]

Answer:

x<《-4,12》

Step-by-step explanation:

inequalities:

x-4<8, x-4>0

-(x-4)<8, x-4-<0

intersections:

x<12, x>4

x>-4, x<4

x<[4,12》

x<《-4,4》

x<《-4,12》

5 0

3 years ago