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Inga [223]
3 years ago
6

Plss help I don’t don’t know how to do this 20 points

Mathematics
2 answers:
Firlakuza [10]3 years ago
6 0

Answer:

(-3,6)

Step-by-step explanation:

(-1,3) -2x + 3y =(-3,6)

d1i1m1o1n [39]3 years ago
5 0

Answer:

-1,3

Step-by-step explanation:

You put the x line before the y line

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What does "D" equal to?
Cloud [144]
\frac{8}{3}d+35= \frac{5}{6}d+46 \ \ \ \ \text{
multiply both sides by 6}  \\ \\16d+210=5d+276\\16d-5d=276-210\\11d=66\\d=66/11\\d=6
8 0
3 years ago
Sum of money is placed at simple interest for 3 years at 10% per annum and then the amount is invested for 2 years at the same r
JulsSmile [24]

Answer:

sum was 300000

Step-by-step explanation:

let sum of money is placed  is x rs

Term T = 3 years, rate R = 10%

Then simple interest for for 3 years is

SI= \frac{PTR}{100}\\ SI=\frac{x\times 3\times 10}{100} \\SI = 0.3x

Sum of x will become x+0.3x = 1.3x after 3 years. now this 1.3x is kept for compound interest for two years. ie

A =P[1+R]^t\\471900=1.3x[1+\frac{10}{100} ]^2\\x=\frac{471900}{1.573} \\x=300000

Sum was 300000

3 0
4 years ago
For the month of June in a certain​ city, 41​% of the days are cloudy. Also in the month of June in the same​ city, 21​% of the
BaLLatris [955]

Answer:

0.5122 or 51.22%

Step-by-step explanation:

In a certain city, in June Probability of cloudy days = P(cloudy) = 0.41

Probability of cloudy and rainy = P(cloudy and rainy) = 0.21

Probability of rainy if we already know it is cloudy = \frac{\text{[P(cloud and rainy)]}}{[P(cloud)]}

= \frac{0.21}{0.41} = 0.512195122 ≈ 0.5122

Therefore, the probability that a randomly selected day in June will be rainy if it is cloudy is 0.5122 or 51.22%

7 0
4 years ago
evelyn drinks 8 glasses of water a day which is 56 glasses of water a week how many glasses does she drink in a year
rusak2 [61]
I think she can  drink 2,920 glasses of water a year.Just do 8x365 and theres you answer.Hope this helps(:

5 0
4 years ago
A laser printer prints 9 pages per minute. Martha refilled the paper tray after it had printed 92 pages. In how many more minute
Schach [20]

17 minutes

hope this helps!

4 0
3 years ago
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