2 years ago

How many points are needed to determine a straight line?

Mathematics

2 answers:

yawa3891 [41]2 years ago

8 0

Do you still need help with this question

lesantik [10]2 years ago

6 0

Answer:

Step-by-step explanation:I hope this helps

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A westbound train travels 16 miles per hour slower than the eastbound train. If two trains are 800 miles apart after 5 hours wha

lozanna [386]

Answer:

Step-by-step explanation:

The rate can be calculated as follows

x + x -16

2x-16

(2x-16)×5

10x - 80= 800

10x = 300-80

10x, = 220

x = 220/10

= 22

22-16

= 6 mph

Hence the rate of the west bound tsin is 6mph

7 0

3 years ago

The duration of routine operations at chicago general hospital has approximately a normal distribution with an average of 130 mi

vredina [299]

Answer:

79.77%

Step-by-step explanation:

P(X≥120) = normalcdf(120,1e99,130,12) = 0.7976716754 ≈ 0.7977 = 79.77%

Therefore, about 79.77% of operations last at least 120 minutes

5 0

2 years ago

Sarah cuts a piece of rope that is 4.5 feet long.

icang [17]

Answer:

4.5 feet = 1.5 yards

Step-by-step explanation:

1 yard equals 3 feet

Then:

1 ----- 3

x -----4.5

$x = 4.5/3 = 1.5 yards$

Hope this helps

3 0

1 year ago

Factoring: 3x^5+6x^3

MissTica

Answer:

Step-by-step explanation:

3x^5+6x^3

=3x^3(x^2+2)

7 0

3 years ago

Read 2 more answers

Wait Hudson valley farmer has 26 employees he pays each employee $410 per week after paying his workers workers for one week the

Deffense [45]

I got $10,822. Just to be sure do it yourself, $410x26+162=?

7 0

3 years ago