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nika2105 [10]
4 years ago
5

Need some help (one step equation ) for 34 points. 1/6=5/7+y

Mathematics
1 answer:
Brilliant_brown [7]4 years ago
5 0

    To solve this equation, you subtract 5/7 from both sides of the EQ to isolate y and solve for it. You should now have y = 1/6 -5/7. To simplify the expression on the right hand side of the EQ, find the least common denominator of the two fractions, which is 42. You should multiply both the numerators and denominators of each fraction by the same number to change the denominator to 42. Hence 1/6(7/7) - 5/7(6/6) would equal y. You should get the same denominator of 42, so subtract 30 from 7 in the numerator. This number will be placed over 42, and you will get your answer.

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Evaluate the expression for the given values.<br> 12x+5y/3z, where x + 1/2, y = 6 and z = 3
Semmy [17]

Answer:

4

Step-by-step explanation:

Substitute: \frac{\frac{12}{2} +5*6}{3*3}

Cross out the common factor: \frac{6+5*6}{3*3}

Calculate the product or quotient: \frac{6 +30}{3*3}

Calculate the product or quotient: \frac{6+30}{9}

Calculate the sum or difference: \frac{36}{9}

Cross out the common factor: 4

Answer: 4

6 0
3 years ago
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Identify the x- and y- intercepts of this equation. 5 − 4 = 20
Alinara [238K]

T he x and y intercepts of the equation: 5x-4y=20 are : y-intercept is (0,-5) and x-intercept is (4,0)

So, Option D is correct.

Step-by-step explanation:

we need to identify the x and y intercepts of the equation: 5x-4y=20

Finding x-intercept

For finding x-intercept put y=0

We are given the equation:

5x-4y=20

Solving:

5x-4y=20\\5x-4(0)=20\\5x=20\\x=\frac{20}{5}\\x=4

So, x-intercept is (4,0)

Finding y-intercept

For finding y-intercept put x=0

We are given the equation:

5x-4y=20

Solving:

5x-4y=20\\5(0)-4y=20\\-4y=20\\y=\frac{20}{-4}\\y=-5

So, y-intercept is (0,-5)

the x and y intercepts of the equation: 5x-4y=20 are :y-intercept is (0,-5) and x-intercept is (4,0)

So, Option D is correct.

Keywords: x and y intercepts

Learn more about x and y intercepts at:

  • brainly.com/question/1502731
  • brainly.com/question/11705002
  • brainly.com/question/1332667

#learnwithBrainly

6 0
3 years ago
Given the functions f(x) = x2 + 6x − 1, g(x) = –x2 + 2, and h(x) = 2x2 − 4x + 3, rank them from least to greatest based on their
nevsk [136]
Axis of symmetry = x = -b/2a
where y = ax² + bx + c

f(x) = x² + 6x - 1 ⇒ a = 1 ; b = 6 ; c = -1
x = -(6)/2(1) = -6/2 = -3

g(x) = -x² + 2 ⇒ a = -1 ; b = 0 ; c = 2
x = -0/2(-1) = 0/-2 = 0

h(x) = 2x² - 4x + 3 ⇒ a = 2 ; b = -4 ; c = 3
x = -(-4)/2(2) = 4/4 = 1

least :       f(x) = x² + 6x - 1    ; axis of symmetry is -3
middle :    g(x) = -x² + 2         ; axis of symmetry is 0
greatest :  h(x) = 2x² - 4x + 3 ; axis of symmetry is 1
5 0
3 years ago
Read 2 more answers
What is the approximate volume of a cone with a height of 6 mm and radius of 18 mm?
larisa86 [58]

Answer:2035.75

Step-by-step explanation:v=(3.14)(18)^2(6/3)

7 0
3 years ago
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Please help this is due today and I’m so stressed!I will mark Branliest!!!
Vika [28.1K]

Answer:

I think it's true :)

Step-by-step explanation:

8 0
3 years ago
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