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ivolga24 [154]
3 years ago
5

How many leaves on a tree diagram are needed to represent all possible combinations tossing a coin 4 times?

Mathematics
1 answer:
AlekseyPX3 years ago
7 0
1/2 x 1/2 x 1/2 x 1/2 = 1/16

Answer: 16
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3.
sergey [27]

Answer:

His money earned $36 after 3 months

Step-by-step explanation:

* Lets revise the rules of simple interest

- Simple Interest Equation (Principal + Interest)

 A = P(1 + rt)

- Where:

• A = Total amount (principal + interest)  future amount

• P = Principal Amount

• I = Interest Amount

• r = Rate of Interest per year in decimal; r = R/100

• t = Time Period involved  

* To calculate the interest I use the formula

  I = P × r × t

* Lets solve the problem

- The rate is annual

- The interest calculated after 3 months

∴ I = P × R/100 × t/12

∵ P = $3600.00

∵ R = 4%

∵ t = 3 month

∴ I = 3600.00 × 4/100 × 3/12 = $36

* His money earned $36 after 3 months

5 0
3 years ago
Last year at a certain high school, there were 125 boys on the honor roll and 80 girls on the honor roll. This year, the number
Elodia [21]

Answer:

6.8% decrease

Step-by-step explanation:

a drop of 8% means that only 92% of 125 boys remained on honor roll from last year; .92 x 125 = 115

a drop of 5% means that only 95% of 80 girls remained on honor roll from last year; .95 x 80 = 76

total number of students on honor roll last year = 125 + 80 = 205

total number of students on honor roll this year = 115 + 76 = 191

percent of change = (191 - 205) ÷ 205 = -14/205 = -.068

-.068, which represents a 6.8% decrease

3 0
2 years ago
11r + 7s written form plz i need help
charle [14.2K]

Answer:

eleven r plus seven s

Step-by-step explanation:

thats the written form

8 0
3 years ago
Should the object be measured in grams or in kilograms?
Mashcka [7]
Feather: grams
bulldog:kilo
tv: kilo
penny: grams
6 0
3 years ago
Read 2 more answers
Find the least number which must be added to 6203 to obtain a perfect square.
cluponka [151]

Answer:

78.7591264553

Step-by-step explanation:

search google

copy answer sorry that is all I got

6 0
3 years ago
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