MATHEMATICS HIGH SCHOOL

-x + 2 + 5x= 10 (x - 4) solve for x

Answers

Answer 1
Answer:

Answer:

7

Step-by-step explanation:

-x+2+5x=10(x-4)

4x+2=10x-40

2+40=10x-4x

42=6x

42/6=6x/6

7=x
Answer 2
Answer:

Answer:

x = 7

Step-by-step explanation:

-x + 2 + 5x = 10 (x - 4)

=> 4x + 2 = 10x - 40

=> 4x - 10x = -40 - 2

=> -6x = -42

=> 6x = 42

=> x = 42/6

=> x = 7

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What is (-4.8y + 20.1) - (12.7y + 9.3)?

Answers

(-4.8y + 20.1) - (12.7y + 9.3)= -4.8y + 20.1 - 12.7y - 9.3=\n \n=-17.5y+10.8
(-4.8y + 20.1) - (12.7y + 9.3) =

= -4.8y + 20.1 - 12.7y - 9.3 =

= -17.5y + 10.8


Quadrilateral ABCD is located at A(−2, 2), B(−2, 4), C(2, 4), and D(2, 2). The quadrilateral is then transformed using the rule (x − 2, y + 8) to form the image A'B'C'D'. What are the new coordinates of A', B', C', and D'? Describe what characteristics you would find if the corresponding vertices were connected with line segments.

Answers

The new coordinates are A(-4, 10), B (-4, 12), C (0, 12) and D (0, 10). If you were to connect these, it would take the shape of a rectangle. 

Find two consecutive whole numbers that 51 lies between.

Answers

Hello,

Let n and n+1 the numbers

n<=51<=n+1
51<=51<=52
50<=51<=51
2 solutions n=50 or n=51.

Choose the equation of the vertical line passing through the point (−4, 2).y = −4

x = −4

y = 2

x = 2

Answers

Answer:

Equation would be  x = - 4 .

Step-by-step explanation:

Given :  vertical line passing through the point (−4, 2).

To find : Choose the equation of the vertical line .

Solution : We have given that  point (−4, 2).

We know that vertical line always passes through the x axis .

Here, line passes through at x = -4  which has no slope .

Therefore , equation would be  x = - 4 .
Vertical line has no slope. so only look at the x value. x=-4.

If y varies directly with x and x=4 when, y=20, find k, the constant of variation.

Answers

Direct variation means [ y = k x ]

Given . . . 20 = k 4

k = 20/4 = 5 .

Can someone help me solve this

Answers

cosine = adjacent / hypotenuse so that is the trig ration we use here:-

cos M = 32/41 =  0.78049

m < M = 38.69 degrees to nearest hundredth
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