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3 years ago

13

Determine the stopping distance of a car with an initial speed of 29.97 m/s, a human reaction time of 1s, and an acceleration of

-4 m/s^2.

2 answers:

Rudik [331]3 years ago

8 0

Answer:

5/18 m/s?

Step-by-step explanation:

deff fn [24]3 years ago

6 0

Answer:

Step-by-step explanation:

is that the qustion

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How would I figure out a linear equation with two plot points with fractions? (1/3(6),3) and (1/2(19),-2) are my two plot points

murzikaleks [220]

Answer: $m=\frac{-30}{79},\ y=5.40$

Step-by-step explanation:

Given

Points are $\left(6\frac{1}{3},3\right),\ \left(19\frac{1}{2},-2\right)$

Convert mixed numeral to fraction

$\left(6\frac{1}{3},3\right)\Rightarrow \left(\dfrac{19}{3},3\right)\\\\\left(19\frac{1}{2},-2\right)\Rightarrow \left(\dfrac{39}{2},-2\right)$

Slope of the line is

$\Rightarrow m=\dfrac{3-(-2)}{\dfrac{19}{3}-\dfrac{39}{2}}\\\\\Rightarrow m=\dfrac{5}{\dfrac{38-117}{6}}\\\\\Rightarrow m=\dfrac{-30}{79}$

Equation of line

$\Rightarrow \dfrac{y-3}{x-\dfrac{19}{3}}=\dfrac{-30}{79}\\\\\text{for y-intercept, put x=0}\\\\\Rightarrow \dfrac{y-3}{0-\dfrac{19}{3}}=\dfrac{-30}{79}\\\\\Rightarrow y-3=\dfrac{190}{79}\\\\\Rightarrow y=3+2.40\\\Rightarrow y=5.40$

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3 years ago

Classify the polynomial by its degree and the number of terms. 8x²- 3y + 7

katen-ka-za [31]

Answer:

2nd degree

Step-by-step explanation:

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3 years ago

Find the number of terms in the sequence and find the sum of the sequence: <br><br> 5+9+13+...+145

SashulF [63]

145-13-9-5 that what your looking for

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2 years ago

The radius of the circle is 3 millimeters. what is the circles area

Irina18 [472]

Answer:

28.26 millimeters

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A farmer has sheep and cattle in the ratio 8:3. How many sheep has the farmer if he has 180 cattle?

ruslelena [56]

There are 480 Sheep.

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