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SpyIntel [72]
4 years ago
10

Find an equation for the plane through the points p=(0,0,0), q=(0,1,0), and r=(1,2,3)

Mathematics
1 answer:
jek_recluse [69]4 years ago
6 0
Hello,

Assume Ax+By+Cz+D=0 the plane 's equation.

p=(0,0,0)==>A*0+B*0+C*0+D=0==>D=0

q=(0,1,0)==>A*0+B*1+C*0+0=0==>B=0

r=(1,2,3)==>A*1+0*2+C*3+0=0==>A=-3C
Let C=1==>A=-3

An equation of the plane is -3x+z=0


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How do you simplify 2(1/2x)-1 Step by step
TiliK225 [7]

Answer:

1x - 1

Step-by-step explanation:

So first you distribute; and that should give you 1x - 1

4 0
4 years ago
Solve the equation <br> 5d=17.1
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5d=17.1 

5d=17.1:d  | Solve \ for \ d|  

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3 years ago
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If seven pencils cost $.84 find the cost of 10 pencils
Darya [45]
Salutations!

If seven pencils cost $.84 find the cost of 10 pencils?

Lets solve this!

To solve this question, you need to first divide .84 ÷ 7 which gives you the answer 0.12. Then multiply 0.12 with 10 which gives you the cost of 10 pencils. 0.12 is the cost of only one pencil.

Lets forms this into statements ---

Cost of 7 pencils = $ .84

Cost of 1 pencil = $ 0.12

Cost of 10 pencil equals = .84 ÷ 7 = 0.12

                                      = 0.12 × 10 = 1.2

Cost of 10 pencils is $1.2

Hope I helped (:

Have a great day!
3 0
3 years ago
Read 2 more answers
NEED HELP PLEASE SOLVE. due in 20 mins!
3241004551 [841]
Ok, so I’m pretty sure that would be a little less than 7 minutes because if 5 min is -150 degrees then 1 min is around 25 degrees. So around 7 min would be the answer.
4 0
3 years ago
The number of children at the library was 3 times the number adults. The total number of people at the library was 48. How many
Rufina [12.5K]

Answer:

D 36

Step-by-step explanation:

<em>Write the information algebraically</em>

c = 3a

c + a = 48

c = children, a = adults

<em>In the second sentence (in bold), we can replace c with 3a</em>

c + a = 48 → 3a + a = 48

<em>Simplify</em>

3a + a = 48 → 4a = 48 → a = 12 (divide both sides by 4)

<em>We can then substitute or plug in a = 12 into the original equation:</em>

c + a = 48 → c + 12 = 48 → c = 36 (subtract 12 from both sides)

<h3>There are 36 children</h3>
7 0
3 years ago
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