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2 years ago

Brad buys a video game desk for four dollars there was a discount of 20% off what is the sale price

Mathematics

1 answer:

nikklg [1K]2 years ago

7 0

Answer:

$3.20

Step-by-step explanation:

The total amount is $4 for the video game desk.

100% = $4

10% = $0.40

20% = $0.40 + $0.40 = $0.80

Therefor the the sale price after the 20% discount is:

$4.00 - $0.80 = $3.20

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He coordinates of the vertices of a polygon are (−2, −2) , (−2, 3) , (2, 4) , (3, 1) , and (0, −2) .

Nitella [24]

Answer: The perimeter is 17.52

Step-by-step explanation:

1. You can plot the points, as you can see in the graph attached.

2. As you can see in the graph, the points are:

$A(-2,-2)\\B(-2,3)\\C(2,4)\\D(3,1)\\E(0,-2)$

And the lenghts AB and EA are:

$AB=5$

$EA=2$

3. To find the other lenghts, you can apply the formula for calculate the distance between two points:

$distance=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$

4. Thefore, you have:

$BC=\sqrt{(2-(-2))^{2}+(4-3)^{2}}=4.12\\CD=\sqrt{(2-3)^{2}+(4-1)^{2}}=3.16\\DE=\sqrt{(3-0)^{2}+(1-(-2))^{2}}=4.24$

5. The perimeter is:

$P=AB+CD+DE+EA\\P=5+4.12+3.16+4.24+2\\P=17.52$

7 0

3 years ago

19.5+24+7.5=19.5 +24= +24=

ozzi

Answer:

43.5=67.5

Step-by-step explanation:

19.5+24=43.5

43.5+7.5=51

19.5+24= 43.5

43.5+24=67.5

8 0

3 years ago

Read 2 more answers

A rectangle has a length that is 5 inches more than the width Its perimeter is 50 inches. Find the length

Crazy boy [7]

Answer:

Length is 30 width is 20

Step-by-step explanation:

50 divided 2 is 25. Add 5 to 25. Then you have two parts. 30 and 20.

They are your answers.

4 0

3 years ago

12 K. 2x + 15 4 м L x + 21

Papessa [141]

Answer:

Step-by-step explanation:

5 0

3 years ago

I need help as soon as possible

mojhsa [17]

1. It's a sine relationship => sinA = 25 / 34 => A = 47.

2.It's a cosine relationship => cosA = 26 / 35 => A = 42.

3 0

3 years ago