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Eduardwww [97]
3 years ago
10

25 points :) please help! Of you do I really really appreciate it!

Mathematics
1 answer:
MissTica3 years ago
6 0
Answer: Jessica wants 120 plants in her garden.

Explanation:
Lets find the area of the triangle first:
Tip: the formula can be base x height divided by 2 so you cant get confised about 1/2bh.

Any side of the triangle can be a base, once u find a base, there will always be one corresponding height.

In this case, the base is 12 feet
And the height is 5 feet because that side is perpendicular/corresponding to the base, meaning that the side connects to the base in a 90 degree angle.

So we have this:
12 x 5/2 = 30
The area of the triangle is 30 square feet.

Now, if Jessica wants 4 plants for each square foot of area, we do this:
4 x 30 = 120

Co.mment me if u have any questions
MARK BRAINLIEST PLS TY
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There are 3 ways of solving a simultaneous problem, substitution method, elimination method and Gauss-Jordan method. I'm gonna use the substitution method since it's easier and i think it would suit your level more.

First let's try solving for y since it's easier to start with.

Firstly we have to find an equation for x:

x-2y=2\\x-2y+2y=2+2y\\x=2+2y

Great, now we can use the substitution method to find the value of y using the first equation:

2x+3y=11\\2(2+2y)+3y=11\\4+4y+3y=11\\7y=7\\y=1

Now we know that y=1 we can solve the first equation we made:

x=2+2y\\x=2+2(1)\\x=4

And the answer is x=4 , y= 1\\(4,1)

Double check:

2x+3y=11\\2(4)+3(1)=11\\8+3=11\\11=11\\\\x-2y=2\\(4)-2(1)=2\\2=2

And that's our final answer! (4,1)

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3 years ago
pe ling needs 2 yards of fabric for a craft project. she has 3 feet already.how many niches of fabric does she still need?
Lostsunrise [7]
Pe Ling would need 36 inches to get 2 yards.
5 0
4 years ago
Read 2 more answers
Can someone help me with this
Alexxandr [17]

Answer:

B

Step-by-step explanation:

the perimeter (P) of a rectangle is calculated as

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   = 6\sqrt{15} + 2\sqrt{15}

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2 years ago
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fredd [130]

Answer: 40%

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3 years ago
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Answer:

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Step-by-step explanation:

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