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3 years ago

Use an in and out chart to graph the linear equation x+y=4

Mathematics

1 answer:

tester [92]3 years ago

7 0

Answer:

1+3=4

this is because x y are not equal so they are not equal numbers

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The average (arithmetic mean) ages, in years, of the people in group A and group B are 41 and 36, respectively. The average age,

Oxana [17]

Answer:

3/5

Step-by-step explanation:

avg in A = 41

avg in B = 38

combined avg of A and B = 36

Let a = number of people in group A.

Let b = number of people in group B.

The total number of people = a + b.

The sum of all ages in group A is 41a.

The sum of all ages in group B is 36b.

The sum of all ages in the combined group A and B is 38(a + b).

41a + 36b = 38(a + b)

41a + 36b = 38a + 38b

3a = 2b

a/b = 2/3

a/b + 1 = 2/3 + 1

a/b + b/b = 2/3 + 3/3

(a + b)/b = 5/3

b/(a + b) = 3/5

5 0

3 years ago

Which pair is a solution of y=x-4?

kompoz [17]

The first one is the answer

4 0

3 years ago

Read 2 more answers

What is the algebriac expression for 5 less than y

Anna71 [15]

Most likely what they mean is

y-5=0

4 0

3 years ago

Which graph shows f(c)=0.5|x+3|-2

iVinArrow [24]

The graph that shows f(c)=0.5|x+3|-2 has been added in the attachment.

<h3>How to solve for the graph</h3>

We are given the equation to be f(x) = 0.5|x + 3| – 2

This equation above is an absolute value equation that was entered into a graphing calculator

The absolute value equation is represented by the values

f(x) = a|x - h| + k

in the equation above, h and k are the vertex of the graph

when we compare the absolute value equation with the equation we have in the question, we would have h = +3 and k = -2

Hence we would say that the vertex is 3 , -2.

When the graph was plotted, the vertex is the point that shows that meeting at a point in the point 3, - 2 are shown as the vertex also