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zhannawk [14.2K]
3 years ago
7

What is the difference for -22 - (-26)​

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

4

Step-by-step explanation:

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A car traveling east at a constant rate of 33 mi/hr passes through an intersection at 10 A.M. A truck traveling north at a const
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Answer:52.33 m/s

Step-by-step explanation:

Given

Speed of car v_1=33 mi/hr

Speed of truck v_2=42 mi/hr

Distance traveled by car in 1 hr is 33 mi

Therefore after 11 am distance of car and truck from Junction in time t is  

Car =33+33t

truck =42 t

Let D be the distance between them

D^2=42t^2+(33+33t)^2------------1

at t= 2 hr

D^2=(42\times 2)^2+(33+66)^2

D=129.83 miles

To get how fast distance between them is increasing differentiate 1 we get

2D\frac{\mathrm{d} D}{\mathrm{d} t}=2\cdot(42)^2t+2\cdot 33^2(1+t)

\frac{\mathrm{d} D}{\mathrm{d} t}=\frac{42^2t+33^2\left ( 1+t\right )}{D}

\frac{\mathrm{d} D}{\mathrm{d} t}=\frac{1764\times 2+1089\times 3}{D}

\frac{\mathrm{d} D}{\mathrm{d} t}=\frac{6795}{129.83}=52.33 m/s

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Click here if you good at math
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Answer:

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Step-by-step explanation:

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3 years ago
The Town Theater receives $4212 by selling 465 tickets to
dmitriy555 [2]

Answer:

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Add (2) and (3) term by term to eliminate x

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The number of senior/ student tickets sold was 219

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Oi! Katsuki here!

This question's answer is $12.64.

A thanks would be helpful! Have a great day!

Baku out!

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3 years ago
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