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Goryan [66]
2 years ago
15

Please answer it now in two minutes

Mathematics
1 answer:
Ainat [17]2 years ago
8 0

Answer:

A

Step-by-step explanation:

coplanar means 3 points in a plane. D is collinear and the others are just wrong. Brainliest here !!

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The sum of two numbers is negative fifteen, and one number is five less than the other. Using the variables m and n to represent
Likurg_2 [28]

We need to use the variables m and n to represent both numbers.

Their sum must equal -15. Therefore, we can write the next equation:

m + n = -15

If one number is five less than the other, we need to choose one variable and then we can write it in terms of the other variable. Then:

n = m-5

To find the value for each number, we can replace the n equation on the first equation:

m + n = -15

m + (m-5)= -15

Then:

m + m - 5 = -15

2m -5 = -15

Solve the equation for m:

Add both sides 5 units:

2m - 5 +5 = -15+5

2m = -10

Divide both sides by 2:

2m/2 = -10/2

m = -5

Finally, replace the m value on the first equation:

m + n = -15

-5 + n = -15

Then, solve the equation for n:

Add both sides by 5:

-5+5 + n = -15 +5

n = -10

Hence, both numbers are m=-5 and n= -10.

The equations separated by a comma are m + n = -15,n = m-5.

The numbers separated by a comma are -5,-10.

6 0
1 year ago
The amount of money that kailyn earns varies directly with the number of hours she works. if she works for 15 hours and makes 14
Anestetic [448]

Answer:

$390

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40 hours would result in:

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5 0
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Plz help me plz it’s really important
Juli2301 [7.4K]

Answer:

The circle at point-2 is not filled which means-2 is not included whereas the circle at point 5 is filled which means 5 is included in the interval of the given line.

The interval notation for the above line

<h3>-2<x≤5</h3>

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Alenkinab [10]

Answer:

Step-by-step explanation:in a regular pentagon all angles are equal that means one of the triangles angle is 180-108=72

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An object is launched at 39.2 meters per second (m/s) from a 42.3-meter tall platform. The equation for the object's height s at
vova2212 [387]

Just add the numbers up and see if that works

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