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ohaa [14]
3 years ago
8

7x - 4y = -5 ordered pair

Mathematics
1 answer:
Roman55 [17]3 years ago
3 0

Answer:

Step-by-step explanation:

You may invent a value for x, substitute that value into the given equation and thereby calculate y:

If 7x - 4y = -5 and x = 0, then -4y = -5 and y = 5/4.  The corresponding ordered pair is (0, 5/4).  Other x values may be chosen at random and the same operations performed so as to find other possible ordered pairs corresponding to 7x -4y = 5.

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Generate six Pythagorean triples using any method discussed during class. Explain each method you use.
Yuri [45]

Answer:

1) (3,4,5)

2) (6,8,10)

3) (8,15,17)

4) (10,24,26)

5) (5,12,13)

6) (33,56,65)

Step-by-step explanation:

There are many ways of generating Pythagorean triples (a,b,c), one of the easiest ones is to take two natural numbers n and m, and we will have:

a = n² - m²,

b = 2nm,

c = n² + m²

Then (a, b, c) is a Pythagorean triple.

So, we're going to generate 6 Pythagorean triples using this method.

1. m= 1 and n = 2

⇒a = 2² - 1² = 3

b =2(1)(2) = 4

c= 1² + 2² = 5

and the triple is (3,4,5)

2. Now for m = 1 and n = 3

⇒a = 3²-1² = 8

b= 2(3)(1) =6

c = 1²+3² = 10

and the triple is (6,8,10)

3. Now for m = 1 and n = 4

⇒a = 4²-1²=15

b=2(1)(4)=8

c= 4²+1²=17

And the triple is (8,15,17)

4. Now for m = 1 and n =5

⇒a = 5²-1²=24

b=2(1)(5)=10

c= 5²+1²=26

and the triple is (10,24,26)

5. m = 2 n = 3

⇒a = 3²-2²= 5

b= 2(2)(3)=12

c= 3²+2²= 13

And the triple is (5,12,13)

6. m= 4 n = 7

⇒a= 7²-4²=33

b=2(7)(4)=56

c= 4²+7²= 65

And the triple is (33,56,65)

4 0
3 years ago
in a three digit number, the sum of the digits in the units and the hundreds positions is equal to the number of tens. One more
Nastasia [14]
964 is correct i did the math rn
3 0
2 years ago
Read 2 more answers
If 3x+2=6 what is the value of x
salantis [7]

Answer:

x=1.33

Step-by-step explanation:

3x+2=6

3x=4

x=\frac{4}{3}

x=1.33

to check your answer

3 x 1.33 + 2=6

3.99+2=6

5.99=6

6=6

3 0
3 years ago
What’s the correct answer for this?
kkurt [141]

Answer:

B.

Step-by-step explanation:

In the attached file

5 0
4 years ago
Read 2 more answers
Which expression is equivalent to 3√x^5?
Elanso [62]
∛x^5 y
= (x)^5/3 y^1/3

answer
B. second option

6 0
3 years ago
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