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2 years ago

Does the line 3y + x = 5 pass through the point (2, 7)?

1 answer:

5 0

Well just plug the two points in... y=7 x=2

3(7) + 2= 5
is that true or not?

3(7)
21
21+2= 23

23 is not equal to 5... so no it does not pass through the point (2,7)

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Find the area of a triangle with a =33, b =51, and c =42.

PolarNik [594]

Answer:

d. 690.1 units²

Step-by-step explanation:

1. You can use the Heron's formula to calculate the area of the triangle, which is:

$K=\sqrt{s(s-a)(s-b)(s-c)}$

Where:

$s=\frac{a+b+c}{2}$

2. Calculate $s$ :

$s=\frac{33+51+42}{2}\\s=63$

3. Substitute values into the formula shown above and calculate the area, as following:

$K=\sqrt{63(63-33)(63-51)(63-42)}\\K=690.1units^{2}$

4. Therefore, the area is 690.1 units².

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2 years ago

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NikAS [45]

The answer would be A.132 because when you add the corner length to 90 it equals 132

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2 years ago

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Rudik [331]

Answer:

I is at least ten because of nine it rounds to ten

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2 years ago

Explain why 13x +1 = 11x+9

VLD [36.1K]

Answer:

x=4

Step-by-step explanation:

13x+1 = 11x+9

13x-11x = 9-1

2x = 8

x = 4

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Nutka1998 [239]

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Step-by-step explanation:

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