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hoa [83]
3 years ago
13

X + y = 3

Mathematics
2 answers:
igomit [66]3 years ago
7 0
The answer is A) x=2

hoa [83]3 years ago
6 0
Answer: x=2
step by step explanation:
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your school is sponsoring a pancake dinner to raise money for a field trip. You estimate that 200 adults and 250 children will a
kumpel [21]
Equation is: 200x + 250y = 3800
Put x = 0
then 250y = 3800
y = 3800 / 250
y = 15.2

Now, Put y = 0
200x = 3800
x = 3800/200
x = 19

So, the coordinates are: (19, 0) & (0, 15.2)
We will mark those coordinates & draw the line from origin. Graph is done

Hope this helps!
5 0
3 years ago
What is 63000 in standard form
Vitek1552 [10]
6.3 x 10^4


Hope this helps ^-^
5 0
3 years ago
If two angles are abtuse then they must be congruent
guajiro [1.7K]

Answer:

False

Step-by-step explanation:

An obtuse angle is an angle greater than 90 and smaller than 180.

Both 120 and 135 are obtuse angles.

But they are not congruent.

8 0
2 years ago
For the function in the graph, find the values of f(-4), f(-1), and f(1).​
Ray Of Light [21]

Answer:

f(-4) = -1

f(-1) = -4

f(1) = 4

Step-by-step explanation:

We need to find the y value for the x values

f(-4) means find the y value for x= -4

f(-4) = -1

f(-1) = -4

f(1) = 4

6 0
2 years ago
Students in a world geography class want to determine the distances between cities in Europe. The map gives all
galina1969 [7]

Using a proportional relationship, we have that:

  • a) The constant of proportionality is of 0.625, hence the equation is: y = 0.625x.
  • b) The distance of two cities that are 5 miles apart is of 8 kilometers.
  • c) When they are 200 kilometers apart, we have that the distance in miles is of y = 0.625(200) = 125.

<h3>What is a proportional relationship?</h3>
  • A <em>proportional relationship</em> is a function in which the <u>output variable is given by the input variable multiplied by a constant of proportionality</u>, that is:.

y = kx

  • In which k is the constant of proportionality.

Item a:

From the graph, when x = 8, y = 5, hence:

y = kx

5 = 8k

k = \frac{5}{8}

k = 0.625

The constant of proportionality is of 0.625, hence the equation is: y = 0.625x.

Item b:

From the graph, when y = 5, x = 8, hence:

  • The distance of two cities that are 5 miles apart is of 8 kilometers.

Item c:

When they are 200 kilometers apart, we have that the distance in miles is of y = 0.625(200) = 125.

You can learn more about proportional relationship at brainly.com/question/13550871

4 0
2 years ago
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