X+3x-2=6x-12 please help

Answers

Answer 1

Answer:
$x + 3x - 2 = 6x - 12 \n4x - 2 = 6x - 12 \n - 4x \: \: \: \: \: \: \: \: - 4x \n - 2 = 2x - 12 \n + 12 \: \: \: \: \: \: \: \: \: + 12 \n 10 = 2x \n / 2 \: \: \: / 2 \n 5 = x \n check \n x + 3x - 2 = 6x - 12 \n 5 + 15 - 2 = 30 - 12 \n 18 = 18$

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Julian measures the distance he drives to work each day using the odometer on his car, which measures distance in miles, accurate to the nearest tenth of a mile. Using that measurement, he claims that the exact distance he drives to work is 11.7 miles. Use complete sentences to explain why Julian’s claim is incorrect.

Answers

The claim is incorrect because the car's odometer is not perfectly accurate. A 10-minute he can measure to an accuracy of 1 mile, but is prone to error due to wear, calibration, measurement error and other factors. Additionally, factors such as tire pressure and changes in road conditions can affect the accuracy of odometer readings.

What is odometer of car?

An odometer is an in-vehicle device that measures the distance traveled by the vehicle. Displays the total number of miles or kilometers the car has traveled since the car was manufactured or the odometer was last reset. This measurement is important for several reasons. B. To track vehicle maintenance schedules, estimate fuel consumption, and determine vehicle resale value. Odometers typically use mechanical or electronic components to measure the distance traveled by a vehicle and display the information on the dashboard. However, as mentioned earlier, the accuracy of odometer readings depends on a number of factors.

To know more about the odometer

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A portrait without its frame has a height 1.5 times its width w, in inches. The width of the frame is 3 inches. Which of the following is an expression for the area of the framed portrait in terms of w

Answers

Answer:

Area = $1.5w^2+15w+36$

Step-by-step explanation:

Let the width of portrait be 'w'

Given:

Height of portrait without frame (h) = 1.5 times its width = $1.5w$

Width of the frame is 3 inches on all sides.

Area of the framed portrait is the total area of the portrait plus the area of the frame.

The figure representing the above scenario is shown below.

From the figure, area of rectangle ABCD is the area of the framed portrait.

From the figure,

AB = $3 + w + 3 = w + 6$

BC = $3 + h + 3 = h + 6 = 1.5w + 6$

Now, area of the rectangle ABCD is given as the product of the length AB and width BC. Therefore,

$Area=AB* BC\n\nArea=(w+6)(1.5w+6)\n\nArea=(w* 1.5w)+(w* 6)+(6* 1.5w)+(6* 6)\n\nArea=1.5w^2+6w+9w+36\n\nArea=1.5w^2+15w+36$

Therefore, the expression for the area of the framed portrait in terms of the width 'w' is given as:

Area = $1.5w^2+15w+36$

The area of the portrait without the frame will be $A=13.5=1.5w^2$ .

Given information:

A portrait without its frame has a height 1.5 times its width w, in inches.

The width of the frame is 3 inches.

Length of the frame will be,

$l=1.5w\nl=1.5* 3\nl=4.5$

So, the area of portrait without frame will be,

$A=l* w\nA=1.5w* w\nA=1.5w^2\nA=1.5* 9=13.5=1.5w^2$

Therefore, the area of the portrait without the frame will be $A=13.5=1.5w^2$ .

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Rewrite (w+4)+(-3) using associative property

Answers

(w+4)+(-3)
w+4-3
w+1
answer=w+1

the answer is -3w - 12
hope it helps
can l please have brainliest answer?

Please help thank youuu

Answers

Answer:

D: 61 degrees.

Step-by-step explanation:

right angles add up to 90 degrees.

Answer:

61 degrees

Step-by-step explanation:

29+x=90

x=90-29

x=61

The augmented matrix of a consistent system of five equa- tions in seven unknowns has rank equal to three. How many parameters are needed to specify all solutions?

Answers

Answer:

It is necessary four parameters.

Step-by-step explanation:

Since the augmented matrix of the consistent system has rank equal to three then the number of free variables is (number of unknows)-rank then there are 7-3=4 free variables. This means that are necessary four parameter to specify all solutions.

I need help! Please include an explanation.

Answers

Answer:

J. 144

Step-by-step explanation:

Perimeter of equilateral triangle is P = 16 + 16 + 16 = 48

Perimeter of square is P = x + x + x + x = 4x

since 4x = 48 => x = 48/4 = 12

Area of square = 12 x 12 = 144

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