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OleMash [197]
3 years ago
14

1. 8x-2y = -24

Mathematics
1 answer:
mel-nik [20]3 years ago
7 0

Answer:

8x-2y = -24

Step-by-step explanation:

Slope = 34

Y-intercept = 7

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Use the substitution method to solve the given system of equations. Write your answer as an ordered pair, (x, y).
Gnoma [55]

Answer:

(-3, -2)

Step-by-step explanation:

Look at the second equation, we can easily rearrange it to make x the subject.

x - 4y = 5

x = 4y + 5

Now lets put that into the second equation

2x - 2y = -2

2(4y + 5) - 2y = -2

6y + 10 = -2

6y = -12

y = -2

Now lets find x!

x = 4y + 5

x = 4(-2) + 5

x = -3

Now lets format the answer like the question says (ordered pair)

(-3, -2)

Recap: We used substitution and made an equation to work out one of the variables first, then found the second variable using the first.

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3 years ago
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At which points does the graph of f(x)=2x−4 cross the x-axis and y-axis?
blagie [28]

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x = 0 : y = 0 - 4 = - 4 ⇒ (0, - 4 )

y = 0 : 2x - 4 = 0 ⇒ 2x = 4 ⇒ x = 2 ⇒ (2, 0 )


6 0
3 years ago
A rectangular park is 5/6 miles wide and 1 5/7 miles long. What is the area of the park?
zysi [14]
1 3/7 or 10/7 I took the test aswell
3 0
3 years ago
I really need help with this question!
ololo11 [35]
Same as all the other ones like this.

Since the two figures are similar . . .

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Which statements are true about the reflections symmetry of a regular heptagon?
lakkis [162]

Answer:

some statements that are true are :

Step-by-step explanation:

it has only 1 line of reflectional symmetry.

a line of symmetry will connect 2 vertices.

a line of symmetry will connect a vertex and a midpoint of an opposite side.

it has 7 fold symmetry.

a line of symmetry will connect the midpoints of 2 opposite sides.

3 0
2 years ago
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