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Dmitrij [34]
2 years ago
6

Use the Substitution Method, what is the point of intersection for the following system:

Mathematics
1 answer:
Wittaler [7]2 years ago
8 0

Answer:

2x + 2(x - 3) = 18 \\ 2x + 2x - 6 = 18 \\ 4x = 24 \\ x = 24 \div 4 = 6 \\ y = x - 3 = 6 - 3 = 3

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AC is diagonal of square ABCD, and the length of AC is 4. What is the area of the square?
dybincka [34]
Option d.
as we know the corner of a square is always 90°. So we can apply that (side of the square)^2+(side of the square)^2 = (diagonal of the side)^2

(side of the square)^2+(side of the square)^2 = 16
16/2=8
8=(side of the square)^2
side of square= squareroot of 8
area of square= squareroot of 8^2=8
hence answer is 8

8 0
3 years ago
Xin graphs the equation y =4x - 6.
Art [367]

Answer:

Both D and E are true statements.

Step-by-step explanation:

When you have the base form of slope-intercept form:

y = mx + b

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8 0
3 years ago
A store is having a sale on walnuts and chocolate chips. For 9 pounds of walnuts and 7 pounds of chocolate chips, the total cost
vfiekz [6]

Answer:

Walnuts = $1.75 per pound

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Step-by-step explanation:

In photo, is working out.

6 0
4 years ago
What is the best answer to this question, y=3×+6?<br> What's the y intercept?
Alchen [17]
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5 0
3 years ago
What formula is used to find 44% of 8?<br><br>​
-BARSIC- [3]
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6 0
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