A $220 tablet is on sale at half price for $110. You have a coupon for 20% off the sale price. If you use your coupon to buy the tablet, what percent of the original price will you pay?

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Answer 1

Answer: ok so $220 is the original price
$110 is the sale price
20% is applicable for the sale price

$110×0.2 (20%= $(20)/(100)$ = 0.2)
= $22

Original price × $(n)/(100)$ = 22
220 × $(n)/(100)$ = 22
$(n)/(100)$ = 0.1
n = 100×0.1
n=10%
We pay 10% of the original price.
Check: 220 × 0.1 (10%= $(10)/(100)$ = 0.1)
=$22

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a) Windows on the International Space Station are shown below. Suppose the long base of the window is 15.2 feet and the short base is 11.2 feet. The perpendicular height from one base to the other base is 8.4 feet. Draw one of the trapezoid-shaped windows on grid paper and label its dimensions. Describe the process you would use to find the area of one trapezoid-shaped window. (2 points)

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The area of a trapezoid is calculated by the formula = (1/2)*(sum of parallel sides)*(perpendicular distance between them).

The diagram of the window is provided along with the dimensions.

What is a trapezoid? How do we calculate its area?

A trapezoid is a quadrilateral with a necessary one pair of parallel lines.

The area of a trapezoid is calculated by the formula = (1/2)*(sum of parallel sides)*(perpendicular distance between them)

How do we solve the given question?

We are said about the windows on the International Space Station, that its long base is 15.2 feet, the short base is 11.2 feet and the perpendicular height between them is 8.4 feet. By the given information we can say that the given window is of trapezoid shape.

The diagram with dimensions is provided in the solution.

To find the area of the trapezoid we will use the discussed formula,

The area of a trapezoid is calculated by the formula = (1/2)*(sum of parallel sides)*(perpendicular distance between them)

∴ Area = (1/2)*(15.2 + 11.2)*(8.4)

or, Area = 0.5*26.4*8.4 = 110.88 square feet

∴ Area of the window = 110.88 square feet.

Learn more about Trapezoids at

brainly.com/question/369033

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Answer:

The formula is Area = base+base/2 x height.

Step-by-step explanation:

This means that we need to add both bases, then divide that by 2. The quotient of that gets multiplied by the height, and you have your answer.

I need help I’m really struggling

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Answer:

Last choice. √14/√14

Step-by-step explanation:

Multiplying by the reciprocal of the denominator would "cancel" the denominator, but To rationalize the -√14, you have to multiply it by √14 and you need an equivalent of 1 to keep the terms equal. So the numerator and denominator have to be multiplied by the same thing.

Point K is graphed on a number line at 3. Point L is 11 units away from point K on the number line.What could be the coordinates of point L?

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3+/-11
add 11 to 3
11+3=14
minus 11 from 3
3-11=-8

the coordinate could be 14 or -8

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Answer:

Short personal messages

Step-by-step explanation:

Which statement best describes the area of the triangle shown below? A coordinate grid is shown with a triangle.. The base is 4 units, and the height is 4 units. A It is one-half the area of a rectangle of length 4 units and width 2 units.B.It is one-half the area of a square of side length 4 units.
C.It is twice the area of a rectangle of length 4 units and width 2 units.
D.It is twice the area of a square of side length 4 units.

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Answer:

The answer is B.It is one-half the area of a square of side length 4 units.

Step-by-step explanation:

Given a coordinate grid shown with triangle of measurements with base 4 units and height also 4 units.

We have to find the area of triangle which can be calculated as

⇒ $Area=(1)/(2) * base * height$

= $(1)/(2)* 4 * 4=8squareunits$

we have to choose the statement describes the area of the triangle evaluate above.

Option A: Not matched ∵equals to $(1)/(2)$ [area of rectangle of length 4 units width 2 units]= $(1)/(2)* 4 * 2=4 sq units$

Option B: matched : given one-half the area of a square of side length 4 units.

⇒ $(1)/(2)* 4 * 4=8 squnits$

Option C : Not matched : It is twice the area of a rectangle of length 4 units and width 2 units

⇒ $2* length* breadth=2* 4* 2=16 sq units$

Option 4 : Not matched : It is twice the area of a square of side length 4 units.

⇒ $2* 4 * 4=32 squnits$

So, the correct option is B. It is one-half the area of a square of side length 4 units.

Answer:The answer is B.

I just took the test and got it right!!

Step-by-step explanation:

Have a great day guys!

What is it’s determinant?Does the determinant depend on the variables?
Make a conjecture.

Answers

The determinant of the given matrix is 8+4xz-8y. Therefore, the determinant depends on the variable.

What is determinant?

Determinants are considered as a scaling factor of matrices. They can be considered as functions of stretching out and the shrinking in of the matrices. Determinants take a square matrix as the input and return a single number as its output.

The given matrix is

$\left[\begin{array}{ccc}1&x&y\n0&2&z\n0&0&4\end{array}\right]$