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kherson [118]
3 years ago
7

Please help with this question

Mathematics
1 answer:
snow_lady [41]3 years ago
8 0

9514 1404 393

Answer:

  dy/dx = 2x +1

Step-by-step explanation:

The power rule can be used.

  d/dx(x^n) = n·x^(n-1)

Then the derivative of x² is 2x¹ = 2x, and the derivative of x = 1x⁰ = 1.

The derivative of the function is ...

  dy/dx = 2x +1

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Nonamiya [84]

Answer:

DESPERATE PLEASE ANSWER FAST

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Use the data to create a scatter plot.

Savings Account Balance for a Given Year

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Time (years)Savings account balance ($)

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2

3

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1

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2

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3

3600

4

4000

5

2200

6

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8

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Step-by-step explanation:

DESPERATE PLEASE ANSWER FAST

(please show picture)

Use the data to create a scatter plot.

Savings Account Balance for a Given Year

PointMove

UndoRedoReset

Time (years)Savings account balance ($)

1

2

3

4

5

6

7

8

9

10

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

0

Time (years)

Savings account balance ($)

1

1300

2

2500

3

3600

4

4000

5

2200

6

1800

7

3200

8

9000

4 0
3 years ago
Nick was surveying his field and saw some cows and ducks. Nick counted a total of 80 heads and
Tcecarenko [31]

Answer:

<u>44 cows and 36 ducks.</u>

Step-by-step explanation:

x is ducks and y is cows.

Assuming both have 1 head each, we can write:

x + y = 80.

Let's assume each x(cow) has 4 legs and each y(duck) has two legs.

Then we can add the numbers of legs:

2x + 4y = 248 legs

Now rearrange x + y = 80 to:

x = 80-y

and substitute:

2x + 4y = 248 legs

2(80-y) + 4y = 248 legs

160 - 2y + 4y = 248 legs

2y = 88 legs

<u>y = 44   [There are 44 cows]</u>

Use this value to find the number of ducks:

x + y = 80

44 + y = 80

<u>y = 36  [There are 36 ducks]</u>

========================

Check:

Do 44 cows and 36 ducks have a total of 248 legs?

4*44 + 2*36 = 248 ?

176 + 72 = 248?

<u>YES</u>

4 0
2 years ago
Solve by completing the square.<br> x^2-6x-23=0
zavuch27 [327]
Use the formula(b/2)^2 in order to create a new term. Solve for x by using this term to complete the square. The Answer is: x=3 +or- 4√2. Hope this helps
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3 years ago
5 Clear 1 Petrov ran 7 laps around a track. Each lap around the track is a distance of mile. What is the total distance Petrov r
arlik [135]

Answer: 36,960 ft

Step-by-step explanation:

Each lap around the track was a mile in distance.

Petrov therefore ran a total of 7 miles.

A mile is 5,280 feet.

If Petrov ran 7 miles in total, this distance in feet is:

= 7 * 5,280

= 36,960 ft

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3 years ago
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