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JulijaS [17]
3 years ago
11

For a game, Tony has a rectangle drawn on a piece of paper that has an area of 18 in.^2. What should he do to the dimensions in

order to have a similar rectangle that's area is only 2 in.^2?
options:

Divide them by nine.

Divide them by six.

Divide them by three.

Multiply them by three.
Mathematics
2 answers:
san4es73 [151]3 years ago
8 0

We have to divide the dimensions by 9 to get a similar rectangle that's area is only 2 in.^2

<em><u>Solution:</u></em>

Given that,

For a game, Tony has a rectangle drawn on a piece of paper that has an area of 18 in.^2

In order to have a similar rectangle that's area is only 2 in.^2

Thus, we need to find the scale factor

Let "c" be the scale factor

Let "x" be the area of original rectangle

Let "y" be the area of dilated rectangle

Therefore,

c = \frac{y}{x}\\\\c = \frac{2}{18}\\\\c = \frac{1}{9}

Therefore, we have to divide the dimensions by 9 to get a similar rectangle that's area is only 2 in.^2

lapo4ka [179]3 years ago
4 0

Answer:

Divide them by three.

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Which angles are supplementary to each other?
Rus_ich [418]

Answer:

Angle 4 and Angle 1 are supplementary to each other.

Step-by-step explanation:

A line is 180°. Because angle 4 and angle 1 and right next to each other and they share a straight line, both of their angles should add up to 180°, making these two angles supplementary.

I hope this was helpful to you! If it was, please rate and press thanks! Have a fantastic day!

6 0
2 years ago
Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9. x = –1 or 15 x = 1 or 7 x = 4 plus-or-minus S
Scrat [10]

Answer:

x = 4 ± \sqrt{73}

Step-by-step explanation:

Given

(x - 12)(x + 4) = 9 ← expand the left side using FOIL

x² - 8x - 48 = 9 ( ad 48 to both sides )

x² - 8x = 57

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 57 + 16

(x - 4)² = 73 ( take the square root of both sides )

x - 4 = ± \sqrt{73} ( add 4 to both sides )

x = 4 ± \sqrt{73}

4 0
3 years ago
Read 2 more answers
When sample size increases Group of answer choices
Olenka [21]

Answer:

Option A)

Confidence interval decreases

Step-by-step explanation:

If we increase the sample size, then,

  • The standard error of the interval decrease.
  • If the standard error increase, the margin of error of the interval decrease.
  • If the margin of error decreases, the width of the confidence level decreases, hence, the confidence interval become narrower.

Thus, the correct answer is

Option A)

Confidence interval decreases

3 0
2 years ago
I don't get how to solve for x with prathesis
Brums [2.3K]
Just remember that something outside the parentheses applies to everything inside.

Examples:

3 times (x + 2) . . . . . means . . . . . 3 times 'x'  <u>plus</u>  3 times 2

a (b + c) . . . . . means . . . . . ab  <u>plus</u>  ac

4 (w + x + y + 2) . . . means . . . 4w + 4x + 4y + 8

When somebody gives you an equation that has parentheses in it,
the first thing you're always supposed to do is get rid of them. 
With the examples I just gave you, you know how to do that now.


5 0
3 years ago
What is the solution to -2|2.2x - 3.3| = -6.6
lana66690 [7]

Answer:

the answer would be x = 3, 0

Step-by-step explanation:

as much as I would like to, I'm really not that good at explaining things

7 0
3 years ago
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