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Anna [14]
3 years ago
9

Round and/or estimate then add (nearest hundred)

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

1.1200,1000,800,900

2.600,700,900,800

Step-by-step explanation:

pa mark

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The diagonals of a quadrilateral QRST intersect at P(2,3). QRST has vertices at Q(3,6) and R(-3,5). What must be the coordinates
Sergio [31]

Answer:

S (1 , 0)

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Step-by-step explanation:

If QRST is a parallelogram, P is the mid point of segment QS and segment RT.

Basic formula for mid-point of segment: ((x1+x2)/2 , (y1+y2)/2)

T (x₁ , y₁)    S (x₂ , y₂)   P (2 , 3)    Q (3 , 6)   R (-3 , 5)

2 = (x₁ + (-3))/2         x₁ = 7

3 = (y₁ + 5)/2            y₁ = 1

T (7 , 1)

2 = (x₂ + 3))/2         x₂ = 1

3 = (y₂ + 6)/2           y₂ = 0

S (1 , 0)

4 0
3 years ago
A line with a slope of -10 passes through the points of (10, -7) and (9,j) what is the value of j?
CaHeK987 [17]
So, using our given information, we have a line of the equation y+7=-10(x-10), or y=-10x+93. Plugging in our value 9 for x, we get j = -10(9)+93 = 3.

j=3
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The Shinkansen, the fastest train in Japan, traveled 75 kilometers in 0.25 hours. What was its speed in kilometers per hour?
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Answer:

300 kilometers per hour

Step-by-step explanation:

See the step-by-step solution in the picture attached below.

I hope this answer will help you. Have a nice day !

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Novay_Z [31]
257 is the answer to this question
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tia_tia [17]

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C. doesn't have 2 points on same y-axis and therefore the third picture is the relation that's a function.

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3 years ago
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