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alekssr [168]
3 years ago
15

A train left Apex at 12 P.M. and traveled for 3 hours and 5 minutes. It stopped for fuel for 10 minutes, and then continued towa

rd its destination for 1 hour and 20 minutes. What time did the train arrive at its destination?
Mathematics
2 answers:
Ann [662]3 years ago
7 0
Left at 12 p.m.
traveled 3 hrs and 5 min.....now it is 3:05 p.m.
stopped for fuel, 10 minutes....now it is 3:15 p.m.
drove for 1 hr and 20 min.....now its 4:35 p.m
Cloud [144]3 years ago
3 0
4:20 You just add 12:00 + 3:05+ 10 + 1:20= 4:20
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notsponge [240]

Answer: one value

Step-by-step explanation:

8 - x = 9

collecting the like terms

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3 0
3 years ago
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Please help me my teacher won’t help me at all :/
Rudik [331]

Answer:

1 to 75

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Lana71 [14]
\bf \cfrac{\stackrel{model}{length}}{\stackrel{actual}{length}}\qquad 1:83\qquad \cfrac{1}{83}\implies \cfrac{1}{83}=\cfrac{10.5}{x}\implies x=\cfrac{83\cdot 10.5}{1}
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x=871.5~inches
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\textit{there are 12 inches in 1 foot, thus }
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871.5~\underline{in}\cdot \cfrac{ft}{12~\underline{in}}\implies 72.625~ft 
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6 0
3 years ago
If shown, AB and CD are straight lines. Find x in each case.
nlexa [21]

Answer:

x = 60

Step-by-step explanation:

Vertical opposite angles are formed when two straight lines intersect each other.

Given that AD and CD are two straight lines intersecting at O, the two vertical opposite formed are, ∠AOD and ∠COB. Therefore:

∠AOD = ∠COB (Vertical opposite angles are congruent)

∠AOE = 90° (right angle)

∠DOE = x

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90 + x = ∠AOD (Substitution)

m∠COF + m∠BOF = m∠COB (Angle addition postulate)

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90 + x = 30 + 2x (Substitution)

Collect like terms

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4 0
3 years ago
Find f · dr c for the given f and
ruslelena [56]
Parameterize the path \mathcal C by

\mathbf r(t)=x(t)\,\mathbf i+y(t)\,\mathbf j

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x(t)=3\cos t
y(t)=3\sin t

and 0\le t\le\pi. Then

\displaystyle\int_{\mathcal C}\mathbf f(x,y)\cdot\mathrm d\mathbf r=\int_{t=0}^{t=\pi}\mathbf f(x(t),y(t))\cdot\dfrac{\mathrm d\mathbf r}{\mathrm dt}\,\mathrm dt
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5 0
3 years ago
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