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Aleksandr [31]
3 years ago
12

A race car driver won a 900 mile race with a speed of 178.9 miles per hour. find the​ driver's time.

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0
We need to find driver'side time. We will start by using formula for speed and solve for time.
Speed(S)=distance (d)/time (t) and S=178.9mph d=900 miles
S=d/t
(t)S=(d/t)(t)
tS=d
tS/S=d/S
t=d/St
t=900miles/178.9mph
t=5.03hrs
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Pic below ......................................
nekit [7.7K]

Answer:

d = \sqrt{65}

Step-by-step explanation:

We need to find the distance between the points (5, 2) and (1, 9). In order to do this, we will use something called the distance formula. The distance formula is written as follows:

d = \sqrt{(x_{1}-x_{2})^{2}+(y_{1}-y_{2})^{2}}

Now we need to plug in our points which we have given in the form (x, y):

d = \sqrt{(5-1)^{2}+(2-9)^{2}}

Next, perform the operation of subtraction inside the parentheses to simplify:

d = \sqrt{(4)^{2}+(-7)^{2}}

The exponent is the next step in the order of operations, so square 4 and -7:

d = \sqrt{16+49}

Finally, add 16 to 49:

d = \sqrt{65}

The square root of 65 cannot be simplified further, but an approximation can be made.

\sqrt{65}  ≈ 8.062257748

7 0
3 years ago
XYZ Corporation recorded the number of employee absences each week over a period of 10 weeks. The result is the data list 5, 3,
nadezda [96]

Answer:

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Step-by-step explanation:

40 / 4 is 10 so ans is 10 absences

8 0
3 years ago
Find the value of x that satisfy the inequality x + 2<7
earnstyle [38]
X+2 < 7
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8 0
3 years ago
Write the expanded from of h(3k-12.4)
rewona [7]

Answer:

3kh - 12.4h

Step-by-step explanation:

h(3k-12.4)

= h(3k) - h(12.4)

= 3kh - 12.4h

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2 years ago
Which is the upper left quadrant on the coordinate plane?
Lisa [10]

Answer:

the upper left Quadrant is Quadrant II

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