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Sav [38]
3 years ago
8

A-5-B when A=9 and B=-4

Mathematics
1 answer:
Fed [463]3 years ago
3 0

Answer:

8

Step-by-step explanation:

(Refer to picture)

Plug in the value of A and the value of B into the expression

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Plsss help!! is this a right triangle if no or yes please explain why??
Mama L [17]

Answer:

yes, it is a right triangle

Step-by-step explanation:

the other two angles are 35 and 55 degrees

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Can someone help with the questions in the picture with #22 and both parts of part 23
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Please help me out with these 2 questions! Legit answers only please!
geniusboy [140]

Answer:

1.) 12 hours   2.) She made a multiplying error in the table.

Step-by-step explanation:

1.)

First, let's find the slope of this equation:

m = 135 - 81 / 5 - 3

m = 54/2

m = 27

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324 = 27x

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5 0
3 years ago
Car A, traveling at a constant 10 m/s, crosses the start line 3 seconds before Car B, who is traveling at a constant 15 m/s. At
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The distance between Car A and car B,When Car A crosses the start line is:
distance =speed car B* time
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time of car A=t

x=10 m/st  ⇒    x=10t    (1)

Distance traveled by car B=x
time of car B=t-3

x=15(t-3)  (2)

With the equations (1) and (2) we make a system of equations:

x=10t
x=15(t-3)

We solve this system of equations:

10t=15(t-3)
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Answer: The time would be 9 seconds for Car A and 6 seconds for car B and the distance would be 90 meters.
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