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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Answer:
<h2>28cm</h2>Step-by-step explanation:
≈
rounding 28.00563 to 28.
So hence, your answer is 28cm
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Hi there!
2x - 4y = 9
Begin by isolating the y variable by moving 2x to the right-hand side of the equation. (Subtract 2x from both sides):
2x - 2x - 4y = 9 - 2x
-4y = 9 - 2x
Further isolate by dividing both sides by -4:
-4y / (-4) = (9 - 2x) / (-4)
y = -9/4 - 2x/(-4)
Simplify further:
y = -9/4 + 1/2x
y = 1/2x - 9/4
The "b" value is the y-intercept, therefore:
x = 0 at y = -9/4