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Vedmedyk [2.9K]
3 years ago
7

Kelly solved an equation: H/ 4 - 11 = 13 using two inverse operations of adding 11 to both sides of the equations, and then divi

ding both sides by 4. Her answer is H = 6. What is her error?
Mathematics
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

She should have multiplied by 4, not divided

Step-by-step explanation:

Given

\frac{H}{4} - 11 = 13 ( add 11 to both sides ) ← correct

\frac{H}{4} = 24 ( multiply both sides by 4 to clear the fraction )

H = 4 × 24 = 96

H is divided by 4, thus the inverse operation is to multiply

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(6,-3)(-4,-9)
slope = (-9 - (-3) / (-4 - 6) = (-9 + 3) / -10 = -6/-10 = 3/5

y - y1 = m(x - x1)
slope(m) = 3/5
(6,-3)..x1 = 6 and y1 = -3
now we sub
y - (-3) = 3/5(x - 6) =
y + 3 = 3/5(x - 6) <== one answer

y - y1 = m(x - x1)
slope(m) = 3/5
(-4,-9)....x1 = -4 and y1 = -9
now we sub
y - (-9) = 3/5(x - (-4) =
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Answer:

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The rules for converting fractions with denominators 10, 100, 1000, etc. into decimal fraction:

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(ii) Count an equal number of places in the numerator starting from the unit digit then place the decimal point to the left of the digit reached.

Let us consider some of the following examples;

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Answer:

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