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fenix001 [56]
3 years ago
14

What is the solution to −(6y+8)=4(17−y)

Mathematics
1 answer:
Airida [17]3 years ago
4 0

Answer:

−(6y+8)=4(17−y)

-6y-8=68-4y

-6y+4y=68+8

-2y=76

y=76÷(-2)

y=(-38)

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two cars travel at same speed to different destinations. car A reaches its destination in 24 minutes. car B reaches its destinat
Harlamova29_29 [7]

Answer:

The speeds of the cars is: 0.625 miles/minute

Step-by-step explanation:

We use systems of equations in two variables to solve this problem.

Recall that the definition of speed (v) is the quotient of the distance traveled divided the time it took : v=\frac{distance}{time}. Notice as well that the speed of both cars is the same, but their times are different because they covered different distances. So if we find the distances they covered, we can easily find what their speed was.

Writing the velocity equation for car A (which reached its destination in 24 minutes) is:

v\,*\,24\,min=d_A

Now we write a similar equation for car B which travels 5 miles further than car A and does it in 32 minutes:

v\,*\,32\,min=d_A+5\,miles

Now we solve for d_A in this last equation and make the substitution in the equation for car A:

v\,*\,32\,min=d_A+5\,miles\\d_A=v\,*\,32\,min-5\,miles\\\\v\,*\,24\,min=v\,*\,32\,min-5\,miles\\v\,(24\,min-32\,min)=-5\,miles\\v\,(-8\,min)=-5\, miles\\v=\frac{-5}{-8} \frac{miles}{min} \\v=0.625\,\frac{miles}{min}

So this is the speed of both cars: 0.625 miles/minute

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3 years ago
A woman sold a sari for Rs 1960 at a profit of 20% At vbal price should she self: 30 gain 15562​
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Answer this and add work, show all work for math. :P
Andreyy89
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Proving Vertical Angles Are Congruent
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The angle ∠22 and angle ∠24 are congruent because they are vertically opposite angles.

<h3>What is an angle?</h3>

The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.

Vertically opposite angle – When two lines intersect, then their opposite angles are equal.

Linear angle – If the total of two angles is 180 degrees, they are said to be linear angles.

The statements are given below.

∠22 = ∠24 (vertically opposite angle)

∠22 + ∠23 = 180 (linear angle)

The diagram is given below.

More about the angled link is given below.

brainly.com/question/15767203

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