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Len [333]
3 years ago
10

SOMEONE PLEASE HELP

Mathematics
2 answers:
laiz [17]3 years ago
6 0
The best answer the question above is D.

tamaranim1 [39]3 years ago
5 0

Answer:

(06.01)  ⇒ The answer is the listed number 4.

(06.03) ⇒ The answer is C

Step-by-step explanation:

Ok, for the (06.01) what we should do is clear the X so we can later on replace it.

(1)  x + 4y = -9

(2)   x = -9 -4y   (at this point we are moving the 4y to the other side of the equation and since its positive in one side, it goes to the other with a minus on it.)

(3) x = -4y - 9  (all we do here is rearrenge the factors on the right side)

Then we should replace the x in the second equation with (3)

(4)  2x + 5y = −6

(5)  2(−4y − 9) + 5y = −6

And we find the answer thats listed.

(06.03)

First we need to write the equation given.

(1)   \frac{1}{2}  x - 5 = \frac{1}{3} x + 6

Now we work with each side for separate. Since both sides are equal to eachother we can make them equal to y to both sides.  And we get this two equations

(2)   y = \frac{1}{2} x - 5

(3)   y = \frac{1}{3} x + 6\\

We multiply (2) for 2 in both sides of the equation, to remove the fraction. And we will multiply (3) for 3 in both sides of the equation, to remove the fraction.

And we have this new system of equations.

(4)  2y = x - 10

(5)  3y = x + 18

Now we need to rearrenge the factors, and we will move the x  to the left side in both equations, and since both are positive, they pass with a minus sign on it.

So we get.

2y − x = −10

3y − x = 18

Thus the answer is C.

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cricket20 [7]

This cube has 6 faces, and all side lengths are equal.

The volume of a cube with sides of length L is given by L^3.

The problem says that the volume is 7^3, which means that each side is 7

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Answer:

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Step-by-step explanation:

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3 years ago
The ratio of boys to girls at a party was 6:7 if there were 28 girls how many people attended the party
Zanzabum

Answer:

52

Step-by-step explanation:

6+7=13

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x:28

28/7=4

so you have to multiply by 4

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3 0
3 years ago
Read 2 more answers
A businessman buys 1,440 dozen pens at $2.50 a dozen and then sells them at a price of 25¢ apiece. What is his total profit on th
LekaFEV [45]
He spend: 1440*2.5=3600 
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Find the equation of the line with Slope = -4 and passing through (-1,8). Write your equation in the form
Thepotemich [5.8K]

Answer:

y= -4x+4

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8 0
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