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laiz [17]
3 years ago
7

Expand the following expression by using the distributive method. 3(4x + 5y)

Mathematics
1 answer:
Liula [17]3 years ago
8 0
Answer: 12x + 15y

Explanation:
1. 3 x 4x + 3 x 5y
2. 12x + 15y

This expression can not be expanded further because there are no like terms.

Hope this helps :)
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3 years ago
A number n is multiplied with —9 to give 63. Find the value of n.
FrozenT [24]

Answer:

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Step-by-step explanation:

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2 years ago
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Calculate the distance between the points P=(-1, -1) and L=(6, -9) in the coordinate plane.
Over [174]

Answer:

≈ 10.63

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = P(- 1, - 1) and (x₂, y₂ ) = L(6, - 9)

d = \sqrt{(6-(-1))^2+(-9-(-1))^2}

   = \sqrt{(6+1)^2+(-9+1)^2}

   = \sqrt{7^2+(-8)^2}

   = \sqrt{49+64}

   = \sqrt{113} ≈ 10.63 ( to the nearest hundredth )

6 0
3 years ago
it's asking me to find an equation for the line I drew but I don't know how, and I'm not even sure if my line is correct.
vovangra [49]
Your line is wrong from the start. But for the equation:
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4 years ago
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how long would it take an ostrich to run to the sun if the speed is 80km/h
Ulleksa [173]

Answer:

eighteen million eight hundred twenty-six thousand two hundred fifty

Step-by-step explanation:

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3 years ago
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