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Arlecino [84]
3 years ago
9

How many solutions does the following system of equations have?

Mathematics
1 answer:
True [87]3 years ago
6 0
We will use a method of substitution.
y = 5/2 x + 2 
2 y = 5 x + 4   ⇒  2 ( 5/2 x + 2 )= 5 x + 4
5 x + 4 = 5 x + 4
0 x = 0            ⇒  x, y ∈ R
Answer: D)   
This system has infinitely many solutions.
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5.
Marysya12 [62]
The function has a maximum at (1, 3).

_____
You know it is not a minimum because the coefficient of the squared term is negative.

You know the vertex is (1, 3) because you match the pattern to
.. y = a(x -h)^2 +k
which has its vertex at (h, k).

3 0
3 years ago
If 32^2c=8^c+7 whay is the value of c ?
natima [27]
32^(2c)=8^(c)+7
2^10c=2^3c+21 im gonna assume 7 is in the exponent
10c=3c+21
7c=21
c=3
7 0
3 years ago
Read 2 more answers
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nadezda [96]
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6 0
3 years ago
Read 2 more answers
Apply the distributive property to factor out the greatest common factor,<br> 60 - 40y =
ASHA 777 [7]

Answer:

GCF = 20

Step-by-step explanation:

he answer would be 20 so then you would get (3-2y) as a final answer

7 0
3 years ago
In a board game, students draw a number do not replace it, and then draw a second number. Determine the probability of each even
murzikaleks [220]

The figure depicting the board game is attached below.

Answer:

Step-by-step explanation:

Kindly note that selections done without replacement.

Count of numbers on the board game = 8

Count of odd numbers = (1, 9, 1) = 3

Count of digit 6 = 3

Probability = required outcome / Total possible outcomes

P(picking an odd number) = 3 / 8

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Numbers left on board game = 8 - 1 = 7

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Hence,

P(picking an odd number then, a 6) = 3/8 * 3/7 = 9 / 56

7 0
3 years ago
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