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stiv31 [10]
3 years ago
14

Solve for the variable

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0
Step 1: -6a + 3 = -3(2a - 1)
Step 2: -6a + 3 = -3(2a) + 3(1)
Step 3: -6a + 3 = -6a + 3
Step 4:+6a         +6a
Step 5:          3 = 3

The variable of x is equal to Any infinite number.
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X2 - x - 42 <br>a=? <br>b=? <br>C=? <br><br><br><br>help me ​
lisabon 2012 [21]

Step-by-step explanation:

thr standard form for a quadratic equation is:

ax²+bx+c

in this example, a=1, b=(-1), c=(-42)

6 0
2 years ago
Drag the tiles to the correct boxes to complete the pairs.
Reika [66]

Answer:

Step-by-step explanation:

3x > 15         2x > 12        x + 1 < 8             7x < 42

/3     /3        /2     /2            -1     -1             /7     /7

x > 5              x  > 6              x < 7                x < 6

4 0
3 years ago
Rewrite by completing the square 2x^2+7x+6=0
Kitty [74]

Answer:

2x^2+7x+6=0\\\\2(x^2+\frac72x+3)=0\\\\2[x^2+2\cdot x\cdot\frac74+(\frac74)^2-(\frac74)^2+3]=0\\\\2[x^2+2\cdot x\cdot\frac74+(\frac74)^2]-2(\frac74)^2+6=0 \\\\2(x+\frac74)^2-2\cdot\frac{49}{16}+6=0\\\\2(x+\frac74)^2-\frac{49}8+\frac{48}8=0\\\\2(x+\frac74)^2-\frac18=0

6 0
3 years ago
A city has an elevation of -752 feet. Which statement describes the city's elevation?
Andrews [41]

Answer:

The answer is C my good sir

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
At present the sum of Monica's age and daughter's age is 44 years. . After 2 years Monica's age will be three times that if her
sergeinik [125]

Answer:

Monica's age = 34 years

Her daughter's age = 10 years

Step-by-step explanation:

Let Monica's age = x

Let her daughter'sage = y

x + y = 44   -------> equ 1

After 2 years:

Monica's age = x + 2

Her daughter's age = y + 2

x + 2 = 3 * (y+2)

x + 2 = 3y + 6

      x = 3y + 6 -2

      x = 3y + 4

Put x value in equ 1:

    3y + 4 + y = 44

            4y = 44 - 4

             4y = 40

               y = 40/4

               y = 10

x = 44 -10

x = 34

7 0
3 years ago
Read 2 more answers
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