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dem82 [27]
3 years ago
9

What is x? It is not 180. 18x-7+9x-2=180

Mathematics
1 answer:
alexandr402 [8]3 years ago
8 0

Answer:

x=7

Step-by-step explanation:

Step 1-  simplify both sides of the equation

step 2- add 9 to both sides

step 3- divide both sides by 27

final answer will get you x=7

have good day ((:

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Identify and calculate the area and perimeter for this polygon.
Sergio039 [100]

Answer:

Step-by-step explanation:

The given figure is a trapezoid. The perimeter of a plane figure is expressed as the the distance around the figure. Therefore

Perimeter = a2 + b2 + a1 + b1

Perimeter = 4.7 + 5.8 + 8.5 + 6.89 = 25.89 feet

The formula for determining the area of a trapezoid is expressed as

Area = 1/2(a + b)h

Where

a and b are the length of The bases are the 2 sides of the trapezoid which are parallel with one another.

h represents the height of the trapezoid.

From the diagram,

a = 4.7 feet

b = 8.5 feet

h = 5.8 feet

Area = 1/2(4.7 + 8.5)5.8

Area = 1/2 × 13.2 × 5.8

Area = 38.28 feet²

8 0
3 years ago
Hannah buys some shoes in sale marked 40% off she pays 27 for the shoes what price were the shoes the shoes orginally
mezya [45]

Given:

The price of shoes after discount = 27

Discount % = 40%

To find:

The original price of shoes before discount.

Solution:

Let x be the original price of shoes before discount.

The price of shoes after 40% discount is

\text{New price}=x-\dfrac{40}{100}\times x

\text{New price}=x-0.4x

\text{New price}=0.6x

The price of shoes after discount = 27

27=0.6x

\dfrac{27}{0.6}=x

45=x

Therefore, the original price of the shoes is 45.

5 0
3 years ago
Ms.O'Leary pays $969.50 to stay one week in a hotel what is the room rate per day
Alik [6]
Take $969.50 and divide it by 7, for the week. You should end up with an answer of $138.50, if I did my math correctly. 
7 0
3 years ago
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Jose ran 7 out of 10 days. What percent of the days did she run?
Otrada [13]
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8 0
3 years ago
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What is the difference between a two-dimensional sketch and an isometric sketch?
Nitella [24]
<span>I believe it is that a two-dimensional sketch doesn't include depth however the isometric sketch does</span>
7 0
4 years ago
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