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dybincka [34]
3 years ago
15

What is the answer to C=7.5x+25

Mathematics
1 answer:
Nadya [2.5K]3 years ago
6 0

Answer:

the answer ............

You might be interested in
|j|=|2j+3| please help me
Softa [21]
Simplifying
j = (2j + 3)

Reorder the terms:
j = (3 + 2j)

Remove parenthesis around (3 + 2j)
j = 3 + 2j

Solving
j = 3 + 2j

Solving for variable 'j'.

Move all terms containing j to the left, all other terms to the right.

Add '-2j' to each side of the equation.
j + -2j = 3 + 2j + -2j

Combine like terms: j + -2j = -1j
-1j = 3 + 2j + -2j

Combine like terms: 2j + -2j = 0
-1j = 3 + 0
-1j = 3

Divide each side by '-1'.
j = -3

Simplifying
j = -3
8 0
3 years ago
-6(x+7)=-4x-2<br> How many solutions does it have
geniusboy [140]

Answer:

Equation have Unique solution i.e x=-20

Step-by-step explanation:

Given Equation:

-6(x+7)=-4x-2

Solving the Equation for 'x'.

           -6(x)-6(7)=-4x-2\\\\-6x-42=-4x-2

Adding '4x'  both sides:

             -6x+4x-42=-4x+4x-2\\\\-6x+4x-42=-2\\\\-2x-42=-2

Adding '42' both sides:

               -2x-42+42=-2+42\\\\-2x=40

                        x=\frac{40}{-2} \\\\x=-20

The equation have Unique solution with the value of x=-20

6 0
3 years ago
What is the equation of the line perpendicular to 2x − 5y = −35 that contains the point (10, 4)?
Gnoma [55]
Perpendicular has slope that multiplies to -1 in other sloope

thsi one

2x-5y=-35
-5y=-2x-35
y=2/5x+7
slope=2/5
2/5 times -5/2=-1
y=-5/2x+b
findn b
(10,4)
(x,y)
4=-5/2(10)+b
4=-25+b
21=b
y=-5/2x+21
2y=-5x+42
5x+2y=42
7 0
3 years ago
Read 2 more answers
Rewrite the following parabola in vertex form by completing the square <br><br> y= x^2 - 8x +13
Dmitry_Shevchenko [17]

Answer:

  • y = (x - 4)² - 3

Step-by-step explanation:

<u>Given parabola:</u>

  • y = x² - 8x + 13

<u>Complete the square to convert the equation into vertex form:</u>

  • y = x² - 8x + 13 =
  •      x² - 2*x*4 + 4² - 4² + 13 =
  •      (x - 4)² - 16 + 13 =
  •      (x - 4)² - 3
7 0
2 years ago
Can need help again please anyone
Tom [10]

Answer:

Put one point on (0, -4)

Put the other on (3, -2)

Step-by-step explanation:

That's how graphing works

7 0
3 years ago
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