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andrew-mc [135]
3 years ago
11

X-4y=-12 and 5x=20y+60 How do you solve this

Mathematics
2 answers:
Savatey [412]3 years ago
6 0
Here is the answers.

Nookie1986 [14]3 years ago
6 0

Answer:

You must turn the variables, or the "x" into a number to make the numbers on the left equal the numbers on the right.

Step-by-step explanation:

In order to solve these problems, you must replace the variable with a number to have the equation on the left equal what is on the right.

Equation 1:

x - 4y = -12 <----- This is the original problem.

-8 - 4y = -12 <----- Replace the variable.

-12y = -12 <----- This is a true statement.

Equation 2:

  5x=20y+60 <----- This is the original problem.

5(16) =20y+60 <----- Replace the variable/Do the addition.

80 = 80y <------ This is a true statement.

Hope this helps! :D

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What is the Sector area with radius 6 and an angle of 50°? Use 3.14 for pi.<br>​
nevsk [136]

Answer:

15.7 units²

Step-by-step explanation:

The sector area is 50/360 times the area of the circle (since the central area of a complete circle is 360° and that for the sector is 50°), or

Sector area = (50/360)(3.14)(6 units)² = 15.7 units²

7 0
2 years ago
What is the solution to this inequality? <br><br>-13x &lt; 65
xeze [42]

Answer:

  • x > -5 or x = (-5, + oo)

Step-by-step explanation:

  • -13x < 65
  • x > - 65/13
  • x > -5
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4 0
3 years ago
Let g(x)=5x-1 and h(x)=X^2-1<br> Solve:<br> g(h(x))=74
AURORKA [14]

Answer:

Let's replace the h(x) function in g(x) and then use 74 as a result on the axis y. The correct answer is 4 .

4 0
3 years ago
Help pls and thank you:)
Bas_tet [7]
I think Z=16 I don’t know exactly sorry
6 0
3 years ago
Need help pleases 5 stars
Wewaii [24]

Answer:

The third option is the correct answer

Step-by-step explanation:

I am a 100% sure.

Hope this helps....

Have a nice day!!!!

8 0
3 years ago
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