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Elan Coil [88]
3 years ago
9

10.Last week Dirk and his roommates ate of a carton of yogurt, and this week they ate 3% of a carton. How much more yogurt did t

hey eat this week compared to last week?​
Mathematics
1 answer:
myrzilka [38]3 years ago
3 0

Answer:

10% more this week compared to last week or for a fraction it would be 1/10 more than last week

Step-by-step explanation:

tell me if i got it right plz

and if i got it right plz mark brainliest

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In a certain arithmetic sequence, if -4 is the first term and 10 is the third term, which term is 157?
likoan [24]

Answer:

a₁₅₇ = 1,088

Step-by-step explanation:

aₙ = a₁ + d(n-1); where 'd' if common difference

a₁₅₇ = -4 + 7(156)

      = -4 + 1092

      = 1,088

4 0
2 years ago
Read 2 more answers
Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean number of litres (L) of gasoline sold to his
Fudgin [204]

Answer:

a

  The point estimate of the population mean is  \= x  =  56

b

  The 80% confidence level is  50.57 <  \mu  < 61.43

c

  There is  80% confidence that the true population mean lies within the confidence interval.

Step-by-step explanation:

From the question we are told that

   The  sample size is  n =  18

   The  standard deviation is  \sigma  =  18 \ L

   The  sample mean is  \= x  =  56

Generally the point estimate of the population mean is equivalent to the sample mean whose value is  \= x  =  56

Given that the confidence interval is 80% then the level of significance is mathematically represented as

      \alpha  =  100 -  80

      \alpha =  20 \%

      \alpha = 0.20

Next we obtain the critical value of  \frac{\alpha }{2} from the normal distribution table

 The  value is   Z_{\frac{ \alpha }{2} } =  1.28

 Generally the margin of error is mathematically evaluated as

          E =  Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }

=>       E =  1.28 * \frac{18 }{\sqrt{18} }

=>       E =  5.43

     Generally the 80% confidence interval is mathematically represented as

    \= x  - E  <  \mu  < \= x  + E

=>    56  - 5.43  <  \mu  < 56  + 5.43

=>   50.57 <  \mu  < 61.43

The  interpretation is that there is  80% confidence that the true population mean lies within the limit

3 0
3 years ago
katie has 4 grapes candies and 3 cherries candies. The ratio of the number of grapes candies to the total number of candie is
Tom [10]

Answer: 7 I think its adding but if its multiplying it is 12

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the value of -(2/5) - (-1/8) A) -21/40 B) -11/40 C) 11/40 D) 3/13
Yuliya22 [10]

(-2/5)-(-1/8)

Need to make the denominators the same

(-16/40)-(-5/40)

Multiply -2/5 by 8

Multiply -1/8 by 8

-- sign= positive

-16/40+5/40

Answer=-11/40

3 0
3 years ago
Given y=5x−3 with the domain D: {−2, −1, 0, 1, 2}, fill in the missing values of the table below.
spayn [35]

Answer:

see below

Step-by-step explanation:

y = 5x-3

Let x = -2  y = 5(-2) -3 = -10 -3= -13

Let x = -1  y = 5(-1) -3 = -5-3 = -8

Let x = 0   y = 5(0) -3 = 0-3 = -3

Let x = 1     y = 5(1) -3 = 5-3 = 2

Let x = 2   y = 5(2) -3 =10-3 = 7

7 0
1 year ago
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