2 years ago

What uses numbers, variables and operations symbol?

1 answer:

Nutka1998 [239]2 years ago

6 0

Sounds like "formulas"! y = ax^2 + bx + c involves the variable x and the constants {a, b, c}. The "2" indicates "squaring function."

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Stolb23 [73]

Answer:

The answer is X=3/4 or -1/2

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2 years ago

If $5000 is invested at 7.8% interest compounded monthly, how much would you have after 54 months?

Nuetrik [128]

5000 x (1+0.078/12)^54

5000 x (1.0065)^54

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3 years ago

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Y_Kistochka [10]

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Step-by-step explanation:

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2 years ago

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8.42 Three bags of jelly beans contain 26,28 , and 30 beans. In each bag, the percent of the beans that are yellow is 50%, 25%,

olasank [31]

Answer:

Step-by-step explanation:

Figure out the number of yellow beans in each bag:

Bag A: 0.5*26 = 13 beans

Bag B: 0.25*28 = 7 beans

Bag C: 0.2*30 = 6 beans

The total number of beans in the bowl: 26+28+30 = 84

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Rounded answer: 31%

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1 year ago

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ATM personal identification number (PIN) codes typically consist of four-digit sequences of numbers. Find the probability that i

oksian1 [2.3K]

Answer:

(a) 0.0001 or 0.01%

(b) 0.01 or 1%

Step-by-step explanation:

Since there are 10 possible numeric digits (from 0 to 9), and there is only one correct digit, there is a 1 in 10 change of getting each digit right.

The probability that if you forget your PIN, then you can guess the correct sequence

(a) at random:

$P=(\frac{1}{10})^4=0.0001=0.01\%$

(b) when you recall the first two digits.

$P=(\frac{1}{10})^2=0.01=1\%$

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2 years ago