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Veseljchak [2.6K]
3 years ago
5

This is probably very easy but I totally forgot (look at picture)

Mathematics
2 answers:
zaharov [31]3 years ago
4 0

Answer:

I hope ive done this correctly

Fixed, i see where i went wrong, i done it backwards

Step-by-step explanation:

Darina [25.2K]3 years ago
3 0
Coordinates for new triangle -

P’(-1,1)
Q’(-3,3)
R’(-3,1)
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A family wants to build a rectangular garden on one side of a barn. If 600 feet of fencing is available to use, then what is the
vovangra [49]

Answer: (A) A=300l-l^{2}

               (B) Length varies between 1 and 150

               (C) Largest area is 22500ft²

Step-by-step explanation: Suppose length is l and width is w.

The rectangular garden has perimeter of 600ft, which is mathematically represented as

2l+2w=600

Area of a rectangle is calculated as

A=lw

Now, we have a system of equations:

2l+2w=600

A=lw

Isolate w, so we have l:

2w=600-2l

w = 300 - l

Substitute in the area equation:

A = l(300 - l)

A = 300l - l²

(A) <u>Function of area in terms of length is given by </u><u>A = 300l - l²</u>

(B) The practical domain for this function is values between 1 and 150.

(C) For the largest area, we need to determine the largest garden possible. For that, we take first derivative of the function:

A' = 300 - 2l

Find the values of l when A'=0:

300 - 2l = 0

2l = 300

l = 150

Replace l in the equation:

w = 300 - 150

w = 150

Now, calculate the largest area:

A = 150*150

A = 22500

<u>The largest area the fence can enclose is </u><u>22500ft².</u>

4 0
3 years ago
In each of the following equations, what is
timama [110]

The graph will cross at the coordinates (-2, 9)

<h3>How to solve equations?</h3>

y = 3x + 15

y = 3 - 3x

y = 3x + 15

Hence,

when x = 2

y = 3(2) + 15 = 21

when x = 0

y = 3(0) + 15 = 15

y = 3 - 3x

when x = 2

y = 3 - 3(2)

y = 3 - 6

y = -3

when x = 0

y = 3 - 3(0)

y = 3

Therefore, let's check if the equation will cross.

y = 3x + 15

y = 3 - 3x

using substitution,

3 - 3x = 3x + 15

3  - 15 = 3x + 3x

- 12 = 6x

x = -12 / 6

x = -2

y = 3 - 3(-2)

y = 3 + 6

y = 9

Therefore, the graph will cross at the coordinates (-2, 9)

learn more on equations here: brainly.com/question/19297665

#SPJ1

8 0
2 years ago
My daughter is struggling with perimeter and composite figures. Is this the right area to seek assistance.
RideAnS [48]

Answer: Yes absolutely I come here for help alot and the answers are well thought out the majority for the time, I'd love to help if you want

Step-by-step explanation:

5 0
2 years ago
What property was used in step 1 to arrive at step 2?
wariber [46]
The distributive property (the 5 is distributed to both the x and -7)
8 0
3 years ago
To participate in a baseball league, the required equipment for each player is a glove, a hat, and a pair of cleats. A glove cos
Leona [35]

Answer:

1222.2

explanation:

53.95 x 12 = 647.40

17.95 x 12 = 215.40

29.95 x 12 = 359.40

647.40 + 359.40 + 215.40 = 1222.2

6 0
3 years ago
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