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jeka94
2 years ago
12

Find the distance between the following points: (0,0,0) and (-2,6,3)

Mathematics
1 answer:
marusya05 [52]2 years ago
6 0

9514 1404 393

Answer:

  3.  7

Step-by-step explanation:

The distance formula applies in 3 dimensions as well as 2.

  d = √((x2 -x1)² +(y2 -y1)² +(z2 -z1)²)

  d = √((-2)² +6² +3²) = √(4 +36 +9) = √49

  d = 7

The distance between the two points is 7 units.

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Which ordered pair is the best estimate for the solution of the
Anna35 [415]

Answer: D (2.4, 2)

Step-by-step explanation:

The place where the lines intersect is around 2.5, 2. So cross out the first two options. For the last two, it's different in x-coordinates. The intersection point seems to be behind 2.5, so D is the correct answer. Hope this helps, please consider making me Brainliest.

7 0
1 year ago
How much does one case cost
nadya68 [22]

So for this we will be using a system of equations, with one equation representing Shakira's sales and the other representing Jeff's sales. Our equations are such (Let x = oranges and y = grapefruit)

5x+8y=235\\ 3x+2y=85

For this, I will be using the elimination method. So firstly, multiply both sides of the second equation by -4: -12x-8y=-340

Next, add 5x+8y=235 and -12x-8y=-340 to get -7x = -105 . From here we can solve for x.

For this, just divide both sides by -7, and your answer is going to be x = 15.

Now that we know what x is, just substitute x for 15 in either equation to solve for y. For this I will be using the second equation.

3(15)+2y=85\\ 45+2y=85\\ 2y=40\\ y=20

Since we know that oranges cost $15 and grapefruit cost $20, just add them together to get your answer, which is $35.

7 0
3 years ago
mario earned a raise that increased his hourly pay rate from $8 to $10 what was the percent increase in marios hourly pay rate
kogti [31]
8 / 10 = 1/5 = 0.2
 Mario's hourly pay rate increased by <span>$</span>0.2
3 0
3 years ago
Read 2 more answers
If 12 men earn $810 in 10 days how much will 14 men earn in 8 days, if the daily wage is the same for each man
kogti [31]
1 man earns  810 / 12 = $67.5 in 10 days
by proportion 1 man will earn 0.8 *  67.5 = $54 in 8 days

So 14 men will earn 54 * 14 =  $756 in 8 days.
5 0
2 years ago
Can someone answer 5,6,7? can you also tell me how to solve them so i can do better in the future?
Alborosie
Like this , this is the rules of index

6 0
3 years ago
Read 2 more answers
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