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Kipish [7]
3 years ago
6

Are the lines parallel? y = 4x + 4 and y = -4x - 2 *

Mathematics
1 answer:
Charra [1.4K]3 years ago
8 0

Answer:

no

Step-by-step explanation:

For two lines to be parallel they must never intersect

Another way of putting this is that the slopes have to be the same

they are not

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B) Complete the table to show the total amount of calories Mary will burn for
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For 0 minutes she can burn 0 calories

For 10 minutes she can burn 20-40 calories

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I hoped this helped!

Have a great day/night! :)

7 0
3 years ago
What is the equation of the line passing through ( -5, -3 ) and perpendicular
Artist 52 [7]

Answer:

y = 7/5x + 4

Step-by-step explanation:

use the slope from the equation -5/7 and take the negative reciprocal to get the perpendicular slope = 7/5. Then use the equation y=mx+b. Plug in x and y from the point given and the new slope and solve for b.

(-3) = (7/5)(-5) + b, (-3) = -7 + b, add 7 to both sides. b = 4. Rewrite the equation now to be y = 7/5x + 4

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3 years ago
What is a simpler form of the expression 8n + 5n
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Answer:

13n

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Add them together. They are like terms.

7 0
4 years ago
Read 2 more answers
What are the least and greatest fractors of 45? of 36? of 60?​
anzhelika [568]

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The LCM for 45,36,60 is 180

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8 0
3 years ago
A teacher decides to purchase a new car and considers two options. Option one is the new Zoomba for $60,000 with an expected dep
Lady bird [3.3K]

The teacher chose option 2, the Starfish and it was valued at $35,200 after two months.

Step-by-step explanation:

Step 1; The Zoomba is priced at $60,000 and has an expected depreciation of 2% per month. So the annual depreciation is 12 months * 2% per month = 24% per year. The teacher plans to keep either car for two years do total depreciation is 2 years * 24% depreciation per year = 48 % in two years.

Value of car after two years = Buying price - Depreciation amount

= $60,000 - 48% of $60,000 = $60,000 - 0.48*$60,000 = $31,200

The car will be valued at $31,200 after two years. To determine how much value it has retained we divide the value in two years to the current value i.e $31,200 divided by $60,000 which equals 0.52 (52% of initial price)

Step 2; The Starfish is priced at $40,00 and will depreciate $200 every month. For a year it will depreciate 12 months * $200 per month = $2,400 a year. So for a total of two years a depreciaition of $4,800.

Value of car after two years = Buying price - Depreciation amount

= $40,000 - $4,800 = $35,200

The car will be valued at $35,200 after two years. To see the retained value we divide the depreciated value by the current value i.e. $35,200 divided by $40,000 which equals 0.88 (88% of the initial price)

Step 3; Of the two options, the Starfish retains more of its value over two years. So the teacher chose the Starfish over the Zoomba.

7 0
4 years ago
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