2 years ago

If two cars travel at x km/h and y km/h respectively and there is d km between them,

Mathematics

1 answer:

-BARSIC- [3]2 years ago

4 0

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Kinda need some help

aksik [14]

Answer:

1) x=10

2) x=6

3) x=13

Step-by-step explanation:

1) 15x-17+4x+7=180

19x-10=180

19x=190

x=10

2) 13x+5=16x-13

5+13=16x-13x

18=3x

x=6

3) 9x+7=11x-19

7+19=11x-9x

26=2x

x=13

6 0

3 years ago

I have 3 red jawbreakers 2 green 5 orange jawbreakers and 1 purple jaw breaker which color of jawbreaker can be represented as a

Sonbull [250]

2 green jawbreakers
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⚯⚯

6 0

3 years ago

The local library has a children’s section with picture books and chapter books. The ratio is 2:3. If there are a total of 500 b

PolarNik [594]

Answer:

300, I think.

8 0

3 years ago

Read 2 more answers

@bobross plz help I have another question

enot [183]

Answer:

Average velocity is 32 miles/hr.

Step-by-step explanation:

Given that a particle moves on a line away from its initial position so that after t hours it is $s=6t^2+2t$ miles from its initial position.

We have to find the average velocity of the particle over the interval [1, 4].

As, average velocity is the change is position over the change in time.

$s(4)=6(4)^2+2(4)=104$

$s(1)=6(1)^2+2(1)=8$

∴ $\text{Average Velocity=}\frac{s(4)-s(1)}{4-1}$

= $\frac{104-8}{3}=\frac{96}{3}=32miles/hr$

Hence, average velocity is 32 miles/hr.

6 0

3 years ago

Read 2 more answers

James makes $15 per hour. He works 40

AlekseyPX

Answer:

i got 485!

Step-by-step explanation:

multiply 40 by $15 = 600 then subtract 10% = 540 then subtract 7.5% = 499.5 lastly subtract 2.9% = 485 and that's his take home money :)

3 0

2 years ago