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monitta
3 years ago
9

How old was Lisa x years ago if she is now 13 which expression represents the​

Mathematics
1 answer:
yarga [219]3 years ago
7 0

Answer:

13 - x

Step-by-step explanation:

X = Years

Current Age = 13

Lisa's Age = 13 - x

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The value of a house has increased by 5% the house is now valued at £609000 what is the value of the house before the increase?
lutik1710 [3]

Answer:

Current \ price = 609000\\\\Let \ the \ original \ price \ be = x\\\\\% increase = 5 \% \ of \ x = \frac{5}{100} \times x = \frac{5x}{100}\\\\Price \ after \ increase, current\ price = \frac{5x}{100} + x\\\\

=> 609000 = \frac{5x}{100} + x\\\\=>609000 = \frac{105x}{100}\\\\=> x = \frac{609000 \times 100}{105}\\\\x = 580000

Therefore original price = $580,000

3 0
3 years ago
X + 1 / 8 y = 2 0 x + 1 / 4 y = 4
UkoKoshka [18]

Answer:

Is that the question

Step-by-step explanation:

No seresly is that the question

4 0
3 years ago
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Hannah is showing her work in simplifying (6.1 − 4.5) − 2.5 + 3.9. Identify any error in her work or reasoning.
pishuonlain [190]

Answer:

pretty sure she did something wrong in the 1st step, it specifically said to do 6.1-4.5, but she changed the parathenesis, resulting in a different answer

6 0
3 years ago
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KATRIN_1 [288]
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The following set of numbers is going to be graphed on a histogram. If there are going to be four intervals, what will the lengt
Alina [70]

The length of each interval would be 3.75 rounding to whole number is 4.

Step-by-step explanation:

  • Stack in excel from lowest to highest points.
  • Total number of data points are 14.
  • Frequency distribution to be created.
  • You can use countif function for frequency distribution.
  • Since we have already got the number of intervals.
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8 0
3 years ago
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