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Gnesinka [82]
3 years ago
7

Please help <3 Thanks!!

Mathematics
1 answer:
iVinArrow [24]3 years ago
7 0

what dou you need?????????

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Hey so im also looking for the first answer and the choices were “ is not “ and “ is “
dexar [7]

so the investigator found the skid marks were 75 feet long hmmm what speed will that be?

s=\sqrt{30fd}~~ \begin{cases} f=\stackrel{friction}{factor}\\ d=\stackrel{skid}{feet}\\[-0.5em] \hrulefill\\ f=\stackrel{dry~day}{0.7}\\ d=75 \end{cases}\implies s=\sqrt{30(0.7)(75)}\implies s\approx 39.69~\frac{m}{h}

nope, the analysis shows that Charlie was going faster than 35 m/h.

now, assuming Charlie was indeed going at 35 m/h, then his skid marks would have been

s=\sqrt{30fd}~~ \begin{cases} f=\stackrel{friction}{factor}\\ d=\stackrel{skid}{feet}\\[-0.5em] \hrulefill\\ f=\stackrel{dry~day}{0.7}\\ s=35 \end{cases}\implies 35=\sqrt{30(0.7)d} \\\\\\ 35^2=30(0.7)d\implies \cfrac{35^2}{30(0.7)}=d\implies 58~ft\approx d

4 0
2 years ago
You complete 40% of ur hw problems before dinner what fraction of the problems did u complete before dinner
yuradex [85]
Is there any answer choices? I believe it is 2/5
3 0
3 years ago
H/3+h/6=1 how many hours will it take them to mow their lawn a.6 b.3 c.2 d.1
Furkat [3]

Answer:

c 2

Step-by-step explanation:

h/3 + h/6 =1

Multiply both sides by 6 to eliminate the fractions

6(h/3+h/6) = 1*6

2h +h =6

Combine like terms

3h = 6

Divide by 3

3h/3 = 6/3

h =2

2 hours

8 0
2 years ago
Y/−7 = 1 /4 what does y =
Studentka2010 [4]

Answer:

y = - \frac{7}{4}

Step-by-step explanation:

\frac{y}{-7} = \frac{1}{4} ( cross- multiply )

4y = - 7 ( divide both sides by 4 )

y = - \frac{7}{4}

4 0
2 years ago
Read 2 more answers
Refer to the figure to the right.
Gemiola [76]

Answer:

c if lsrt lstr name two congruent segments

4 0
1 year ago
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