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astraxan [27]
3 years ago
9

How do i solve this

Mathematics
2 answers:
galina1969 [7]3 years ago
6 0
Here, hope you can understand it lol

REY [17]3 years ago
3 0

Multiply -2 with 2 so the 2 is out of the equation. Then you should get 4 - m = 10. Subtract -4 from 4 and cross our 4 bevause it cancels 4 out and subtract -4 from 10. When you subtract 10 and 4 you get 6. M= 6 is the answer.



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Elizabeth has a swimming pool at home. She wants to build a deck all the way around her rectangular swimming pool. The width of
galben [10]

Using the perimeter of a rectangle, it is found that she can make a deck of 122 ft wide.

<h3>What is the perimeter of a rectangle?</h3>

The perimeter of a rectangle of length l and width w is given by:

P = 2(l + w)

In this problem:

  • She has enough wood to build a deck that is 280ft, hence P = 280.
  • The length is of 10 feet, hence l = 10.
  • Considering that the deck's width will be added to the actual width of 8 feet, we have that w = 8 + w.

Then:

P = 2(l + w)

280 = 2(10 + 8 + w)

36 + 2w = 280

2w = 244

w = \frac{144}{2}

w = 122

She can make a deck of 122 ft wide.

You can learn more about the perimeter of a rectangle at brainly.com/question/10489198

7 0
2 years ago
You estimate that a jar contains 68 marbles. The actual number of marbles is 60. Find the percent error. Round your answer to th
ANEK [815]

Answer:

27.2

Step-by-step explanation:

Hello!! I for got how to solve this but, I think it is:

68 x 0.60 = 40.8

68 - 40.8 = 27.2

5 0
3 years ago
The graph of f(x) = x2 is translated to form g(x) = (x – 2)2 – 3. Which graph represents g(x)?
cupoosta [38]

Answer:

See attached picture

Step-by-step explanation:

When functions are transformed there are a few simple rules:

• Adding/subtracting inside the parenthesis to the input shifts the function left(+) and right(-).

• Adding/subtracting outside the parenthesis to the output shifts the function up(+) and down(-).

• Multiplying the function by a number less than 1 compresses it towards the x-axis.

• Multiplying the function by a number greater than 1 stretches it away from the x-axis.

The equation for g has been subtracted inside the parenthesis by 2 which will shift the graph 2 units to the right.

The equation for g has also been subtracted outside the parenthesis by 3 which will shift the  graph 3 units down.

The graph is shown in black while f(x) is show in purple in the attached picture.

5 0
4 years ago
Read 2 more answers
X + y = 2
liraira [26]

Answer:

D. (3,-1)

Step-by-step explanation:

x + y = 2  \:  \:  \:  \:  \:  \: ..(1) \\ 2x - y = 7 \:  \:  \:  \: ..(2)

from equation 1 we get,

x = 2 - y

now,

put \:  \:  \:  \: x = 2 - y \:  \:  \: in \: (2)

we get,

2(2 - y) - y = 7 \\ 4 - 2y - y = 7 \\ 4 - 3y = 7 \\  - 3y = 7 - 4 \\  - 3y = 3  \\  \\ y =  \frac{3}{( - 3)}  \\  \\ y =  - 1

now,

put \:  \:  \:  \: y =  - 1 \:  \:  \:  \: in \: (1)

we get,

x + ( - 1) = 2 \\ x - 1 = 2 \\ x = 2  + 1 \\ x = 3

hence, the value of x = 3 and y = (-1)

8 0
3 years ago
I WILL GIVE 15 POINTS! The park road is 6 kilometers long. The distance from the East Entrance to the Nature Center is 8 kilomet
natali 33 [55]

Answer:

48 km.

Step-by-step explanation:

Multiply 6 and 8, you get 48.

7 0
3 years ago
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