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leva [86]
3 years ago
5

Ivan earns $8 every time walks his neighbor's dog. he already walked the dog 5 times. How many more times does he need to walk t

he dog to earn enough money to buy a game that costs $88
Mathematics
2 answers:
blondinia [14]3 years ago
4 0

Answer: 6 times.


Step-by-step explanation:

Given: Ivan earns $8 every time walks his neighbor's dog.

To earn $81, the number of times he need to walk=\frac{88}{8}

Therefore, the number of times he need to walk=11

If he already walked the dog 5 times.

Then he need to walk the dog =11-5=6 times

Hence, Ivan  need to walk the dog 6 more times to earn $88.

viva [34]3 years ago
3 0
He will need to walk the dog 6 more times until he reaches the goal of $88. Have a Brainy Day!!!!
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4 stickers were given to her three friends

Step-by-step explanation:

30 -18=12

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3 years ago
A family of 2 adults and 3 children went on holiday to Miami.
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£175

Step-by-step explanation:

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3 0
3 years ago
Antibiotics in Infancy
leonid [27]

Answer:

e)The information from the sample does not give enough information  to support that more than 70% of Canadian children receive antibiotics during the first year of life

Step-by-step explanation:

The proportion we will use for the test is  p  = 70 %

From a random sample we got

n  =  616

x = 438      then   p₁ = 438/616     p₁  =  0,71    p₁  = 71 %

Then  q₁  =  1 - p₁      q₁  = 1 - 0,71    q₁ = 0,29   q₁ = 29 %

a) Hypothesis test:

Null hypothesis                      H₀           p₁   = p

Alternative hypothesis          Hₐ           p₁  > p >70 %

CI = 95 % significance level    α  = 5 %   α = 0,05

z(c) for  α  =  0,05   from z-table is    z(c)  = 1,64

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z(s) = 0,01 /0,01828

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e)The information from the sample does not give enough information  to support that more than 70% of Canadian children receive antibiotics during the first year of life

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C. is the answer your looking for
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Part 3: Complete the following metric conversions. Make sure to show all work to receive credit! You may
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Answer:

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1 m = 0.001 km

(250 m * 0.001 km) / 1 m = 0.25 km

6 0
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