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NeX [460]
3 years ago
10

Please help me ASAP

Mathematics
1 answer:
Degger [83]3 years ago
3 0

the answer is the second option

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a coin is taken at random froma purse that contains one penny, 2 nickels, 4 dimes, and 3 quarters. let x be the value of the dra
algol [13]

Answer:

x = 12.6 pennies

Step-by-step explanation:

total number of coins = 1 + 2+ 4 + 3 = 10 coins

P(penny) =\dfrac{1}{10}

P(nickels) =\dfrac{2}{10}

P(dimes) =\dfrac{4}{10}

P(quarters) =\dfrac{3}{10}

hence average value of the coin

x = Penny x P(Penny) + nickel x P(nickel) + dimes x P(dimes) + quarters x P(quarters)

nickels  = 5 pennies dimes = 10 ; and quarters = 25 pennies

x = 1 \times \dfrac{1}{10} + 5\times \dfrac{2}{10} +10\times \dfrac{4}{10} +  25\times \dfrac{3}{10}

x = 0.1 + 1 + 4 + 7.5

x = 12.6 pennies

hence, the average pennies for the first draw is equal to x = 12.6 pennies

6 0
3 years ago
The expression (8-3)^2-(5-2)^2 is equivalent to what numerical expression
Tresset [83]
(8-3)²-(5-2)²
Follow the PEMDAS
P-Parenthesis
E-Exponents
M/D-Multiplication/Division
A/S-Addition/Subtraction
clear the numerals in the parenthesis:
(5)²-(3)²
Now do the exponents:
=25-9
=16
Its just: (5)²-(3)²
7 0
3 years ago
A teacher takes a random sample of 100 students enrolled at Springfield High School and asks them their opinions about the food
Reil [10]

The answer is C. All students enrolled at Springfield high school.

8 0
3 years ago
The value of the computer decrease exceptionally throughout the five-year period. What was the average annual amount of decrease
Gemiola [76]

Answer:

Step-by-step explanation:

C grd. Gr

4 0
2 years ago
Girls:3
kvasek [131]

Answer:

30 are girls, and 20 are boys because every 3 out of five students are girls, and every 2 out of 5 students are boys.

6 0
3 years ago
Read 2 more answers
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