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babunello [35]
3 years ago
11

Find the difference between 28 and -12

Mathematics
2 answers:
zalisa [80]3 years ago
8 0

Answer:

40

Step-by-step explanation:

Set up an equation:

28-(-12)

The negative 12 becomes positive.

28+12

Add:

40

il63 [147K]3 years ago
6 0

Answer:

16

Step-by-step explanation:

The differnce of 28 and 12 is 16 because, 28-12=16 and 16+12=28

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Step-by-step explanation:

We are given he following information in the question:

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\displaystyle\frac{\text{Displacement}}{\text{Time}}

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y(1 + 0.01)=y(1.01) = 43(1.01)-23(1.01)^{2} = 19.9677\\\\\text{Average Velocity} = \dfrac{y(1.01)-y(1)}{1.01-1} =\dfrac{19.9677-20}{1.01-1}= \dfrac{-0.0323}{0.01} = -3.230000 \text{feet per second}

2) 0.005 s

y(1 + 0.005)=y(1.005) = 43(1.005)-23(1.005)^{2} = 19.984425\\\\\text{Average Velocity} = \dfrac{y(1.005)-y(1)}{1.005-1} =\dfrac{19.984425-20}{1.005-1} = -3.1150000 \text{feet per second}

3) 0.002 s

y(1 + 0.002)=y(1.002) = 43(1.002)-23(1.002)^{2} = 19.993908\\\\\text{Average Velocity} = \dfrac{y(1.002)-y(1)}{1.002-1} =\dfrac{19.993908-20}{1.002-1} = -3.0460000 \text{feet per second}

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y(1 + 0.001)=y(1.001) = 43(1.001)-23(1.001)^{2} = 19.996977\\\\\text{Average Velocity} = \dfrac{y(1.001)-y(1)}{1.001-1} =\frac{19.996977-20}{1.001-1} = -3.0230000 \text{feet per second}

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Step-by-step explanation:

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