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Vaselesa [24]
3 years ago
12

2x^2+3x-5 pleaase help me fator this with a generric triangle ty

Mathematics
1 answer:
kherson [118]3 years ago
8 0

2x^2 + 3x - 5

2x^2 + 5x - 2x - 5

x(2x + 5) - 1(x - 5)

(2x + 5) (x - 1)

//Hope it helps.

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1/5 ( 15 + 10k ) = please help and make sure your answer is accurate.
astra-53 [7]
The answer is 3 + 2k

This is because multiplying by 1/5 is like dividing each term by 5

10k + 15 = 5 • (2k + 3)

8 0
3 years ago
A square garden plot measures 180 square feet. A second square garden plot measures 320 square feet. How many more feet of fence
REY [17]

The second garden plot will require 8√5 feet more fence than the first garden plot.

Further explanation:

In order to find the fence, we have to find the perimeter of both squares

So,

Area of Square 1: A1=180 square feet

Area of Square 2: A2=320 Square feet

Let x be the side of square 1:

Then,

A_1=x^2\\180=x^2\\Taking\ square\ root\ on\ both\ sides\\\sqrt{180}=\sqrt{x^2}\\x=\sqrt{2*2*3*3*5}\\x=\sqrt{2^2*3^2*5}\\x=2*3\sqrt{5}\\x=6\sqrt{5}

For second square:

Let y be the side of second square

A_2=y^2\\320=y^2\\Taking\ square\ root\ on\ both\ sides\\\sqrt{320}=\sqrt{y^2}\\y=\sqrt{2*2*2*2*2*2*5}\\y=\sqrt{2^2*2^2*2^2*5}\\y=2*2*2\sqrt{5}\\y=8\sqrt{5}

Perimeter of First Square:

P_1=4x\\=4(6\sqrt{5})\\=24\sqrt{5}\ feet

Perimeter of Second Square:

P_2=4y\\=4(8\sqrt{5})\\=32\sqrt{5}\ feet

The smaller perimeter will be subtracted from larger perimeter to find that how much more fence will be needed.

P_2-P_1=32\sqrt{5}-24\sqrt{5}\\=(32-24)\sqrt{5}\\=8\sqrt{5}\ feet

The second garden plot will require 8√5 feet more fence than the first garden plot.

Keywords: Radicals, Operations on Radicals

Learn more about radicals at:

  • brainly.com/question/13219835
  • brainly.com/question/1836777

#LearnwithBrainly

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3 years ago
List the domain and range if the relation {(0,2),(4,3),(5,5),(4,7)}
lyudmila [28]
(x,y)

domain is inputs (normally x or first number)
range is outputs from the given domain (normally y or second number)

domain is just all the first numbers
range is all the second numbers
ignore repeats


domain: {0,4,5}
range: {2,3,5,7}
5 0
3 years ago
Read 2 more answers
A triangle can have two right angles.<br> a. True<br> b. False
Alina [70]
No, a triangle cannot have 2 right angles. So, FALSE.
7 0
4 years ago
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If you flip a coin 4 times, what is the probability of flipping heads 4 times?
finlep [7]
1/2 chance per flip
 1/2 times 4 is 1/8
its 1/8 chance or 12.5%
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