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Softa [21]
3 years ago
15

Can some solve me this one question

Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0
What is the question?
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Two cars are traveling down the highway with the same speed. If the first car increases its speed by 1km/hr, and the other car d
Olegator [25]

Answer:

The speed of the cars is 32 \frac{km}{h}

Step-by-step explanation:

First we must first have the clear concept that speed=\frac{distance}{time} or s=\frac{d}{t}

Our question is the speed of the cars then the variable to clear will be s.

Let's raise the equation for each car taking into account that we have the following data:

Car 1: s_{1}=s+1 , t_{1}=2 and d_{1}= d_{2}

Car 1: s_{2}=s-10 , t_{2}=3 and d_{1}= d_{2}

The two cars travel the same distance so we will raise the distance formula for each car and then match them.

<em>Car 1</em>

d_{1}=s_{1}*t_{1}

d_{1}=(s+1)*2

d_{1}=2s+2

<em>Car 2</em>

d_{2}=s_{2}*t_{2}

d_{2}=(s-10)*3

d_{2}=3s.30

d_{1}=d_{2}

2s+2=3s-30

2+30=3s-2s

32=s

The speed of the cars is 32 km/hr

7 0
3 years ago
Plane X contains point C. Plane Y contains points A and
mr Goodwill [35]

Answer:

so can't see the graph

Step-by-step explanation:

but if you can give a picture of the graph i could help out.

8 0
3 years ago
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6x - 9y = 111
Vikentia [17]
The answer to this question is x=8; y= -7
3 0
3 years ago
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What is the solution set of 7x 2 + 3x = 0?<br><br> {0, 3/7}<br> {0, -3/7}<br> {0, -4/7}
Burka [1]

Answer:

the answer is b when we have two positives it makes a negitive therefore its b

Step-by-step explanation:

4 0
3 years ago
State the postulate or theorem that allows you to conclude that a II b.<br><br> (This is geometry)
scZoUnD [109]
Converse Perpendicular Transversal Theorem.
If two lines are perpendicular to the same line, then the lines are parallel.
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