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Lesechka [4]
3 years ago
12

Which of the following ordered pairs is a solution of 2x-y=-9?

Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0
(4,-1)......................
Ann [662]3 years ago
3 0

Answer:

(4,-1)

Step-by-step explanation:

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Find the surface area of a pentagon
fenix001 [56]
So hmm notice the picture below

what you really have is, 2 pentagons and 5 rectangles, stacked up to each other at the edges

so.. .the surface area of the figure, will be, the area of those 5 rectangles added together plus the area of those 2 pentagons

now... notice, each rectangle is a 12x8
now.. to get the pentagons area, keep in mind, the area of a regular polygon is  1/2 * apothem * perimeter

you have the apothem, is given, one side is 12 units long, the perimeter is all sides added together, thus 12+12+12+12+12

so.. get the area of each of the rectangles and those pentagons, sum them up, and that's the surface area of the figure

7 0
4 years ago
A garden store purchased a lawn mower and marked it up 160% from the original cost of $82.67. A week later, the store placed the
crimeas [40]

The discount price of the lawn mower purchased by the store is  $193.45.

<h3>What is the discount price?</h3>

The first step is to determine the selling price of the lawn mower.

Selling price = ( 1 + 1.60) x $82.67 = 214.94

Now determine the price after the discount has been applied.

Discount price = (1 - 0.1) x 214.94 = $193.45

To learn more about how to calculate discounts, please check: brainly.com/question/26061308

3 0
2 years ago
Here is a map of a town.
gtnhenbr [62]

Answer:

The distance between park and museum is 12km.

Step-by-step explanation:

Given that the map shows 1cm represents 3km. In this question, the distance between park and museum is 4cm so in order to find the real-life distance, you have to multiply by 4 :

1cm = 3km

4cm = 3km \times 4

4cm = 12km

7 0
3 years ago
(z-24) divided by 8+2
hjlf

Answer:

z=-24

Step-by-step explanation:

(z-24)/8+2

(z-24)/10

((z-24)/10)10  Multiply both sides by 10

10(z-24) Distribute

10z-240 Divide both sides by 10

z=-24

7 0
3 years ago
D)<br> 6<br> 4<br> 2<br> 24<br> 6<br> 61-4-2<br> -2<br> -4<br> -65<br> 6
Ivanshal [37]
Ok just a wait a minute
5 0
3 years ago
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