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strojnjashka [21]
3 years ago
8

Challenge A bag contains pennies, nickels, dimes, and quarters. There are 50 coins in all. Of the

Mathematics
1 answer:
seraphim [82]3 years ago
6 0

Answer:pennies: (0.12)(50) = 6

dimes: (0.34)(50) = 17

nickels: 6 + 2 = 8

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Jan has $28 to spend at the carnival.
a_sh-v [17]

Answer:

5 rides.

Step-by-step explanation:

$28 - $6.50 = $21.50

$21.50 - $4 = $17.5

$17.5 ÷ $3 = 5.83

7 0
3 years ago
Read 2 more answers
2. A teacher-student committee consisting of 4 people is to be formed from 5 teachers and 20
ivann1987 [24]

Answer:

If the committee must consist at least one student, the probability is 99.96%

Step-by-step explanation:

Given;

number of teachers = 5

number of students = 20

Total number of committee members = 25

Possible outcome of all the members in the 4 committee = 25C₄ ways

= 12650

If the committee must consist at least one student, then the possible outcome;

= Total possible outcome - committee with no student

= 25C₄ ways - 5C₄ ways (all committee members are teachers)

= 12650 - 5

= 12645

The probability that the committee will consist at least one student;

= 12645 / 12650

= 0.9996

= 99.96%

Therefore, if the committee must consist at least one student, the probability is 99.96%

4 0
3 years ago
Log10(x^2+1)=1 <br> .......
sesenic [268]
2^{x} = 4 ----\ \textgreater \  x =  log_{2}4&#10;&#10; x^{2}  = 4 ----\ \textgreater \  x =  \sqrt{4}
5 0
3 years ago
The polynomial 2x3 − 5x2 + 4x − 10 is split into two groups, 2x3 + 4x and −5x2 − 10. The GCFs of each group is then factored out
miskamm [114]

Answer:

(x² + 2)(2x - 5)

Step-by-step explanation:

assuming the expression has to be factorised

2x³ - 5x² + 4x - 10 ← rearranging terms as indicated

= 2x³ + 4x - 5x² - 10 ( factor the first/second and third/fourth terms )

= 2x(x² + 2) - 5(x² + 2) ← factor out (x² + 2) from each term

= (x² + 2)(2x - 5) ← in factored form

8 0
2 years ago
Question is in the pic- please help me-
ratelena [41]

Answer: the answer is B—>165.89

Try all numbers 9-13 ( including 9 and 13 ) multiplies by 14.99

When you multiply 11x14.99 it equals 164.89 not 165.89 meaning B is wrong

4 0
3 years ago
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