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Ann [662]
1 year ago
15

Maureen says that if a system of linear equations has three equations, then there could be exactly two solutions to the system.

Is
Maureen correct? Justify your reasoning.
Mathematics
1 answer:
shusha [124]1 year ago
5 0

Answer:

Yes, Maureen is correct. If a system of linear equations has three equations, then there could be exactly two solutions to the system. This is because, in general, a system of linear equations with three variables will have three equations. However, if two of the equations are the same, then there will only be two equations. In this case, there will be two solutions to the system.

Step-by-step explanation:

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What is the decay factor in the exponential decay function y=a (1-r) t
MrRissso [65]

Answer:

in this form, the "-r" would cause the result to decrease

I assume that the answer is "r"

if r = .1 (10 %) then 1-.1 = .9

if you have 100 items then y = 100(.9)^1 = 90

the total decreased by 10% ... y = 100(.9)^2 after 2 time periods

Step-by-step explanation:

5 0
2 years ago
What is 4.58 when approximated to the nearest hundredth
Ann [662]

Answer:

The answer would be 4.6

Step-by-step explanation:

4.58

8 is closest to 10 so round the 5 to 6.

6 0
3 years ago
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if the ratio of matts age to carlys age is 2/3, in ten years the ratio will be 4/5. how old is matthew?
Dima020 [189]
Matthew should be 14 yrs old
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3 years ago
Triangle DEF has vertices D(−4, 1), E(2, 3), and F(2, 1) and is dilated by a factor of 3 using the point (1, 1) as the point of
CaHeK987 [17]

Answer: D'(-14,1);\ E'(4,7);\ F'(4,1)

Step-by-step explanation:

Since the center of dilation is not at the origin, we can use the following formula in order to find the coordinates of the vertices of the triangle D'E'F':

D_{O,k}(x,y)=(k(x-a)+a, k(y-b)+b)

Where "O" is the center of dilation at (a,b) and "k" is the scale factor.

In this case you can identify that:

(a,b)=(1,1)\\k=3

Therefore, susbtituting values into the formula shown above, you get that the coordinates ot the resulting triangle D'E'F, are the following:

Vertex D' → (3(-4-1)+1,\ 3(1-1)+1)=(-14,1)

Vertex E' → (3(2-1)+1,\ 3(3-1)+1)=(4,7)

Vertex F' → (3(2-1)+1,\ 3(1-1)+1)=(4,1)

6 0
3 years ago
Please help,-----basic algebra. Find the value of x
iren [92.7K]

Answer:

134 degrees

Step-by-step explanation:

what you do, is see that they are alternate interior angles so all you do is subtract 46 from 180 so that makes 134.

5 0
3 years ago
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