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3 years ago

Use two unit multipliers. to convert 400 inches to yardsshow all the work

Mathematics

1 answer:

poizon [28]3 years ago

4 0

400 inches equals to 11.11 yards.

Step-by-step explanation:

Let,

Yards = x

It can be first converted into inches then yards.

As,

1 inch = $\frac{1}{12}$ foot

And,

1 foot = $\frac{1}{3}$ yards

Therefore, we will multiply them at same time.

$400*\frac{1}{12}*\frac{1}{3} = x\\\frac{400*1*1}{12*3} = x\\x= \frac{400}{36} \\x= 11.11$

400 inches equals to 11.11 yards.

Keywords: Multiplication, conversion.

Learn more about conversion at:

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3 years ago

What are the values of x and y? (9x - 19y) (5x - 17) (3x + 3)º X = y =

TEA [102]

Answer: x = 10 and y = 3

Step-by-step explanation:

Due to the x rule, (5x - 17) = (3x + 3)

If we add 17 to both sides:

5x = 3x + 20

Take away 3x from both sides

2x = 20

Divide by 2:

X = 10

This means that (5x - 17) = (3x + 3) = 33

Since all angles must add to 360, the top angle = (360- (33*2)) /2

(360-66) /2

294 /2

147

This shows that 9x - 19y = 147

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Minus 90 both sides

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Y = 3

So, x = 10 and y = 3

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2 years ago

Yun was trying to factor 7x^2-14x7x

disa [49]

the width of Yun's area model is 7x units or ( x-2 )units .

Step-by-step explanation:

Here we have , Yun was trying to factor 7x^2-14x. He found that the greatest common factor of these terms was 7x and made an area model: What is the width of Yun's area model. Let's find out:

We know that area of rectangle :

⇒ $Area = length(width)$ .........(1)

Now , According to question we have

⇒ $Area = 7x^2-14x$

⇒ $Area = 7x(x-2)$

Comparing this equation to equation (1) we get that :

⇒ $width = 7x$ or , $width =x -2$

Therefore , the width of Yun's area model is 7x units or ( x-2 )units .

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3 years ago

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3 years ago

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The answer to the problems and how to solve it.

swat32

Let x and y represent angles 1 and 2, respectively. The given relations tell you

... x + y = 180 . . . . the sum of measures of a linear pair is 180°

... y = 2x + 6 . . . . angle 2 is 6 more than twice angle 1

One way to solve these is to add twice the first equation to the second.

... 2(x + y) + (y) = 2(180) + (2x +6)

Now, subtract 2x

... 3y = 366

... y = 122 . . . . divide by the coefficient of y

The measure of angle 2 is 122°.

3 0

3 years ago

Use two unit multipliers. to convert 400 inches to yardsshow all the work​

Use two unit multipliers. to convert 400 inches to yardsshow all the work