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oee [108]
3 years ago
11

Equation that represents the line that passes through the point (-2,-1) and has a slope of 5

Mathematics
1 answer:
ss7ja [257]3 years ago
5 0
Straight line:
y = mx + c
m is the slope of the graph and c is the y-intercept
In this case, m = 5 as stated in the question, so...
y = 5x + c
By substituting the given co-ordinates (-2,-1) into this equation, we can find c
-1 = 5(-2) + c
-1 = -10 + c
-1 + 10 = -10 + c + 10 (Add 10 to both sides)
9 = c
c = 9
Put c = 9 into the equation:
y = 5x + 9
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Sedaia [141]

Answer:

The amount of steel used = 94.38 m^{2}

Step-by-step explanation:

Height of the tank = 4.5 m.

Diameter of the tank = 4.2 m.

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radius = \frac{diameter}{2}

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radius  = 2.1 m

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6 0
3 years ago
In ΔNOP, OP = 7, PN = 13, and NO = 19. Which statement about the angles of ΔNOP must be true?
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The angles must be acute and all the measured angles must be different.

<h3>What is a triangle?</h3>

This a shape with 3 sides and angke

If in ΔNOP, OP = 7, PN = 13, and NO = 19, then the measure of the angles must be different as well;

Hence the statement that must be true about the angles is that the angles must be acute and all the measured angles must be different. The given triangle must also be a scalene triangle

Learn more on triangles here: brainly.com/question/2938476

6 0
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