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3 years ago

(4x+2y=4 (6x +2y=8 Solve by elimination

Mathematics

1 answer:

lyudmila [28]3 years ago

7 0

Answer: Y=1

Step-by-step explanation:

<h2>Hope this helps</h2>

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Determine the value of a if one solution to the quadratic equation is x equals 5 + 3/2 I

Sindrei [870]

The value of a is $\frac{-9}{4}$

Step-by-step explanation:

1. Determine the other solution of x

If one value is 5 + $\frac{3}{2}$ then the other value is 5 - $\frac{3}{2}$

2. Use reverse technique to find the equation

(5 + $\frac{3}{2}$ ) (5 - $\frac{3}{2}$ ) = 0

25 - $\frac{-15}{2}$ + $\frac{15}{2}$ - $\frac{9x^{2} }{4}$ = 0

- $\frac{9x^{2} }{4}$ + 25 = 0

3. The equation is - $\frac{9x^{2} }{4}$ + 25 = 0

4. Find the value of a

a is the number with the variable $x^{2}$ therefore it is - $\frac{9}{4}$

Keyword: quadratic equation, solution

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8 0

3 years ago

How many solutions does the following equation have?

KatRina [158]

Answer:

Step-by-step explanation:

-5z +1 = -2z +10

-3z = 9

z=9/-3

Z= -3

7 0

2 years ago

I need to know the answer to this question

Softa [21]

The triangle: 4*4/2=8
The square: 4²=16
16+8=24

3 0

3 years ago

Andy has a collection of movie dvds. in andys collection 3/5 of the dvds are action 1/4 of the dvds are comedy. andy said that 4

Lerok [7]

If 3/5 are action and 1/4 are comedy then:

(3/5)+(1/4) are action or comedy

To add/subtract fractions you need a common denominator...

(3/5)*(4/4)+(1/4)(5/5)

(12/20)+(5/20)

17/20

So 17/20 (85%) of his collection are action or comedy not 4/9...

4 0

3 years ago

Scale drawing of a desk that is 48 by 12 plzzz help

zvonat [6]

Answer:

___________

| |

Step-by-step explanation:

It is 48 by 12

3 0

3 years ago