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2 years ago

Woman .......Kam hir

Mathematics

2 answers:

BARSIC [14]2 years ago

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What do u mean ....yhjdjennenenebbenhdjdjd

Alex17521 [72]2 years ago

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What did he sayyyyyyy

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Correctly name the following angle.

chubhunter [2.5K]

Answer: ∠EDC or ∠CDE

Step-by-step explanation:

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2 years ago

Robert earned $194.70 at his job when he worked for 11 hours. How much money did he earn each hour?

Mademuasel [1]

Answer:

$17.70

Step-by-step explanation:

You take how much he made ($194.70) and divide by how many hours he worked (11) to get his hourly rateof $17.70.

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2 years ago

Read 2 more answers

Find the equation for the plane that contains the line x=−1+3t , y=1+2t, z=2+4t and is perpendicular to the plane containing the

Ivan

Let $L$ be the line given by the vector equation

$(-1,1,2) + \lambda(3,2,4) \ , \lambda \in \mathbb{R}$ .

First, we use the director vectors of the lines L1 and L2 to get the

vector equation of the plane containing them, which we denote by $\Pi_1$ . This is,

$\\\\\Pi_1 : (1,-1,5) + \alpha (2,-1,6) + \beta (1,1,-3) \ , \alpha, \beta \in \mathbb{R}\\\\\\$

We observe that $\vec{N} = (2,-1,6)\times(1,1,-3) = (-3,12,3) \ne (0,0,0)$ . Therefore, the vector equation of $\Pi_1$ defines a plane and $\vec{N}$ is a normal vector to $\Pi_1.$

Finally, the vector equation for the wanted plane, which we denote by $\Pi$ , is

$\Pi : (-1,1,2) + r(3,2,4) + s(-3,12,3), r,s \in \mathbb{R} \ .$

Thus, if $s = 0$ , then $L \subset \Pi$ and since $\vec{N}$ is parallel to $\Pi$ , then it is perpendicular to $\Pi_1$ .

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3 years ago

I need help with this question please?!!!

scoundrel [369]

The answer is -1 because it is subtracting by -2

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2 years ago

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Old Navy charges $30 for 4 t-shirts and $45 two pairs of pants. If Unique’s mom orders 9 t-shirts and 6 pairs of pants, how much

nirvana33 [79]

Divide the 30 from the 4 and you will get 7.5 and then divide the 45 from the 2 and you will get 22.5 and then times 7.5 by 9 and then you will get 67.5 and then do the same with the 22.5 with the 6 and then add them up and you will get 202.5

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2 years ago

Woman .......Kam hir​

Woman .......Kam hir