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Ratling [72]
3 years ago
12

you have $155 in a savings account. you decide tobl add $20 to the account every week. write an expression that shows your savin

gs after n weeks​
Mathematics
2 answers:
KIM [24]3 years ago
8 0

Answer:155+20n

Step-by-step explanation:

Crank3 years ago
3 0

Answer:

155+20n

Step-by-step explanation:

You start off with the base amount of money, or the constant. That's 155. Then you add 20 dollars per week, depending on how many weeks you are thinking of. That means you need to multiply 20 by the amount of weeks you have been adding money. So 20n. Then you add that to the base amount of money, 155, so the answer is 155+20n

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The missing term is 5
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It is known that 5% of the population over the age of 30 in a city is a university graduate. Among the 100 people chosen randoml
Novosadov [1.4K]

Answer:

A) 1/3200000

B) 19/20

Step-by-step explanation:

Percentage population of graduates = 5

Proportion of graduates from 100 random samples = percentage × number of samples

Proportion of graduates = 0.05 × 100 = 5

Probability of having 5 graduates among the 100 random samples:

P(1 graduate) = possible outcome / total required outcome

P(1 graduate) = (5 / 100) = 1/20

P(5 graduates) = (1/20)^5

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3 years ago
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BaLLatris [955]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

Use Pythagoras' theorem:

a^2 + b^2 = c^2

Sub the values in:

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Square root to find the answer:

c = 14.14

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elena-s [515]

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Step-by-step explanation:

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GrogVix [38]

Answer:

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Step-by-step explanation:

x+y=-4

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substitute (3) in (1)

5(-4-y) -3y=-4

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substitute y in (3)

x=-4-(-2)

x=-2

5 0
3 years ago
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