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Verizon [17]
3 years ago
11

the stilts increase a persons height by 1.5 yards.if bonnie,who is 5 feet and 7 inches tall, walks with the stilts, how tall wil

l she be?
Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0
There's three feet in a yard and if you have one yard that's already 3 feet then add half a yard (half of three) that's 1.5 feet. Add 4 feet to 5 feet then add the six inches to seven inches because 6 inches is half of a foot, and you will end up with
10'1
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.
dangina [55]

Answer:

100

Step-by-step explanation:

4 0
2 years ago
Mrs. Dumas has $130 to buy basketballs for Edison Middle School How many can she buy at $15 each? Interpret the remainder
Wewaii [24]
He can buy 8 with a remainder of 10 dollars

5 0
3 years ago
Read 2 more answers
The team won 10 of its 30 games and lost the rest. What was the team's win-loss ratio?
hammer [34]

Answer:

10:20

Step-by-step explanation:

8 0
3 years ago
harry is trying tq solve the equation y=2x^2 -x-6 using the quadratic formula he has made an error in one of the steps below
Sergeeva-Olga [200]

Answer:

Hello :

y = 2x² - x -6

y = 2 ( x² - 1/2 x - 3)

y = 2 (x² -1/2 x + 1/16 -1/16 -3)

y = 2 (( x - 1/4 )² - 49/16).....  the quadratic formula

y = 0 :  ( x - 1/4 )² - 49/16 = 0

( x - 1/4 )² - (7/4)² = 0

( x -1/4-7/4)( x -1/4+7/4)=0

(x -2)(x + 3/2) = 0

x - 2 = 0 or x + 3/2 =0

x = 2 or x = - 3/2



3 0
3 years ago
Flip a coin 10 times and record the observed number of heads and tails. For example, with 10 flips one might get 6 heads and 4 t
zepelin [54]

Answer:

The greater the sample size the better is the estimation. A large sample leads to a more accurate result.

Step-by-step explanation:

Consider the table representing the number of heads and tails for all the number of tosses:

Number of tosses    n (HEADS)        n (TAILS)            Ratio

            10                         3                      7                    3 : 7

           30                         14                    16                   7 : 8

          100                        60                   40                  3 : 2

Compute probability of heads for the tosses as follows:

  • n = 10 tosses

        P(\text{HEADS})=\frac{3}{10}=0.30

The probability of heads in case of 10 tosses of a coin is -0.20 away from 50/50.

  • n = 30 tosses

        P(\text{HEADS})=\frac{14}{30}=0.467

The probability of heads in case of 30 tosses of a coin is -0.033 away from 50/50.

  • n = 100 tosses

        P(\text{HEADS})=\frac{60}{100}=0.60

The probability of heads in case of 100 tosses of a coin is 0.10 away from 50/50.

As it can be seen from the above explanation, that as the sample size is increasing the distance between the expected and observed proportion is decreasing.

This happens because, the greater the sample size the better is the estimation. A large sample leads to a more accurate result.

5 0
2 years ago
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