What is negative 3 over 4 multiple by negative 2 over 5
2 answers:
Answer: 3 / 10
Step-by-step explanation:
<u>Given word expression</u>
negative 3 over 4 multiple by negative 2 over 5
<u>Convert to numerical expression</u>
(-3/4) × (-2/5)
<u>Multiply numerator by numerator and denominator by denominator</u>
<u>(REMEMBER to change the [+] sign when two [-] signs are multiplied together)</u>
(3 × 2) / (4 × 5)
6 / 20
<u>Divide 2 on both numerator and denominator</u>
(6 ÷ 2) / (20 ÷ 2)
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The equality used is Subtraction property of equality
Option A is correct
Step-by-step explanation:
We need to identify which option best explains or justifies Step 1.
Step 1 is:
The given equation is:
To get the equation for step 1 we need to subtract c on both sides of equation i.e using subtraction property of equality
So, The equality used is Subtraction property of equality
Option A is correct.
Keywords: Solving Quadratic Equations
Learn more about Solving Quadratic Equations at:
#learnwithBrainly
Answer:
The answer is below.
Step-by-step explanation:
The options are not clear. I would solve a similar question.
A linear function is a function in the form:
y = mx + b; where y and x are variables, m is the slope and b is the y intercept.
From the options:
a) x(y - 5) = 2
xy - 5x = 2. Since the equation is not in the form of y = mx + b, hence it is not a linear function. It is a nonlinear function.
b) y - 2(x + 9) = 0
y - 2x - 18 = 0
y = 2x + 18. The equation is in the form of y = mx + b, hence it is a linear function.
c) 3y + 6(2 - x) = 5
3y + 12 - 6x = 5
3y = 6x - 7. The equation is in the form of y = mx + b, hence it is a linear function.
d) 2(y + x) = 0
2y + 2x = 0
2y = -2x. The equation is in the form of y = mx + b, hence it is a linear function.
