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leonid [27]
3 years ago
10

Ashley started the year with 45 comic books. Each month, she adds 5 more comic books to her collection. Which table correctly re

presents y, the number of comic books in her collection, after x months?
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 1, 2, 3. Column 2 is labeled y with entries 5, 50, 95, 140.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 1, 2, 3. Column 2 is labeled y with entries 45, 50, 55, 60.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 5, 10, 15. Column 2 is labeled y with entries 45, 46, 47, 48.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 5, 10, 15. Column 2 is labeled y with entries 45, 90, 135, 180.
Mark this and return
Mathematics
2 answers:
Mrrafil [7]3 years ago
3 0

Answer:

2nd one.

Step-by-step explanation:

she starts with 45 books, so it's the "0th" month. then after, 1 = first month, so 50. 2= 2nd month, 55, and so on and so forth.

natima [27]3 years ago
3 0

Answer:B. Is the answer

Step-by-step explanation:

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Brums [2.3K]

Answer:

the descending took 150 seconds

Step-by-step explanation:

5 0
3 years ago
Solve the systme of equations using elimination<br> X+Y=2<br> X-Y=4
kirza4 [7]

Answer:

x=3

y=-1

Step-by-step explanation:

x=4+y

by substitution it in equation 1

weget

(4+y)+y=2

4+2y=2

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4 0
3 years ago
A new weight-watching company, Weight Reducers International, advertises that those who join will lose an average of 10 pounds a
Ksenya-84 [330]

Answer:

<em>The calculated value Z = 2.53 >1.96  at 0.05 level of significance</em>

<em>Null hypothesis H₀ is rejected</em>

<em>we accepted alternative hypothesis </em>

<em>we conclude that those joining Weight Reducers will lose greater than 10 pounds</em>

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

<em>Given the random sample size 'n' =50</em>

Given data a new weight-watching company, Weight Reducers International, advertises that those who join will lose an average of 10 pounds after the first two weeks. The standard deviation is 2.8 pounds.

<em>The mean of the Population 'μ' = 10pounds</em>

<em>The standard deviation of the Population 'σ' = 2.8 pounds</em>

<em>Given mean of the sample 'x⁻' = 9</em>

<em>Level of significance ∝ = 0.05</em>

<u><em>Step(ii)</em></u><em>:-</em>

<em>Null hypothesis :H₀: μ<10</em>

<em>Alternative hypothesis: H₁: μ>10</em>

<em>The test statistic </em>

z= \frac{x^{-} - mean}{\frac{S.D}{\sqrt{n} } }

z= \frac{9 - 10}{\frac{2.8}{\sqrt{50} } } = \frac{-1}{0.395} = 2.53

<em>The calculated value Z = 2.53</em>

<em>The tabulated value Z = 1.96 at 0.05 level of significance</em>

<u><em>Step(iii)</em></u><em>:-</em>

<em>The calculated value Z = 2.53 >1.96  at 0.05 level of significance</em>

<em>Null hypothesis H₀ is rejected</em>

<em>we accepted alternative hypothesis </em>

<u><em>Conclusion</em></u><em>:-</em>

<em>we conclude that those joining Weight Reducers will lose greater than 10 pounds</em>

<em></em>

<em></em>

<em></em>

6 0
3 years ago
Andy's family drove 3 kilometers to the grocery store. how many meters did they drive?
denpristay [2]
Andy's family drove 3000 meters. 1 kilometer =1000 meters
6 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME I HAVE POINTS AND BRAIBLEST !!
Vladimir79 [104]
Answer:560; 0.4*1400=560
6 0
3 years ago
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