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4 years ago

7

What is the solution to this system of linear equations?

2 answers:

Fantom [35]4 years ago

6 0

The solution to the system of equations is (0,2) since the solution is the point of intersection where two or more solid lines meet.

german4 years ago

5 0

Answer:

The solution is (0,2)

Step-by-step explanation:

We have more than one way to solve a system of linear equations.

In this case, we have to linears (red and blue) given in their graphic form, so, we have to know that when we are solving a system of equations, we are looking for points in the plane where the functions have points in common. Then, we can see in the graphic that the red and blue linears match at x=0 and y= 2, so the answer to this system is (0,2).

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Charles is doing renovations on his house. He has budgeted 25% of the cost for new

Rama09 [41]

Answer:

$14,400

<em>Brainliest, please!</em>

<em />

Step-by-step explanation:

25% is furniture, and furniture costs $3600.

So, 3600 x 4 is the total cost, which equals 14400

8 0

2 years ago

For the differential equation dy/dt=ky, k is a constant, y(0)=24, and y(1)=18. What is the value of k?

Gre4nikov [31]

The equation is separable, so solving it is trivial:

$\dfrac{\mathrm dy}{\mathrm dt}=ky\implies\dfrac{\mathrm dy}y=k\,\mathrm dt$

Integrating both sides gives

$\ln|y|=kt+C\implies y=e^{kt+C}=Ce^{kt}$

Given $y(0)=24$ and $y(1)=18$ , we find

$24=C$

$18=Ce^k=24e^k\implies e^k=\dfrac34\implies k=ln\dfrac34$

so the answer is E.

8 0

3 years ago

Read 2 more answers

Is 1/2(12x + 24) and -6 (-x- 2)

ikadub [295]

I hope this helps you

12x/2+24/2

6x+12

-6 ( -x-2)

6 0

3 years ago

What is the value of x?<br><br><br><br> Enter your answer in the box.

hichkok12 [17]

Answer:

x = 25

Step-by-step explanation:

<em>Step 1: Identify the similar triangles</em>

Triangle DQC and triangle DBR are similar

<em>Step 2: Identify the parallel lines</em>

QC is parallel to BR

<em>Step 3: Find x</em>

DQ/QB = DC/CR

40/24 = x/15

x = 25

!!

8 0

3 years ago

Read 2 more answers

For what value of a is the volume of the tetrahedron formed by the coordinate planes and the plane (x/a) (y/10) (z/6)

kotykmax [81]

This question is incomplete, the complete question is;

For what value of a is the volume of the tetrahedron formed by the coordinate planes and the plane (x/a) + (y/10) + (z/6) = 1 equal to 10?

Answer: the value of a is 1

Step-by-step explanation:

Given that;

Volume of tetrahedron bounded by plane (x/a) + (y/10) + (z/6) = 1

and coordinate plane is; V = 1/6|abc|

(x/a) + (y/10) + (z/6) = 1

volume = 10

so

10 = 1/6 | a × 10 × 6 |

60 = a × 10 × 6

60 = 60a

a = 60 / 60

a = 1

Therefore the value of a is 1

3 0

3 years ago