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GuDViN [60]
3 years ago
10

Casey's grandmother sent her an $85 gift card for her birthday last year. This year, she sent her a $125 gift card. Which propor

tion can be used to find what percent of last year's gift this year's gift is, if n represents the unknown percent?
Mathematics
2 answers:
bearhunter [10]3 years ago
6 0
125/85 = 1.47 = 147%
EleoNora [17]3 years ago
4 0
The answer is 0.68 or 68%

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If the mean of the data set is 35 apples, find the number of apples on the Granny Smith tree,
photoshop1234 [79]

Answer:

can i please have more details please?

Step-by-step explanation:

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3 years ago
Change 3/8 to a decimal fraction. 0.375 37.5 375 0.0375
meriva
3/8 as a decimal would be 0.375
3 0
3 years ago
Read 2 more answers
Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take
Ipatiy [6.2K]

Answer:

a) r = 0.974

b) Critical value = 0.602

Step-by-step explanation:

Given - Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both test and the results are give below

Test A | 64 48 51 59 60 43 41 42 35 50 45

Test B |  91 68 80 92 91 67 65 67 56 78 71

To find - (a) What is the value of the linear coefficient r ?

             (b) Assuming a 0.05 level of significance, what is the critical value ?

Proof -

A)

r = 0.974

B)

Critical Values for the Correlation Coefficient

n       alpha = .05          alpha = .01

4           0.95                       0.99

5           0.878                     0.959

6           0.811                       0.917

7           0.754                      0.875

8           0.707                      0.834

9           0.666                      0.798

10          0.632                      0.765

11           0.602                      0.735

12          0.576                       0.708

13          0.553                       0.684

14           0.532                       0.661

So,

Critical r = 0.602 for n = 11 and alpha = 0.05

6 0
3 years ago
Is 1,384 a rational number
ycow [4]

Answer: Should be rational

hope this helps.

3 0
3 years ago
Read 2 more answers
2nd question! BRAINLIEST and high points :D
Vesna [10]

Answer:

C

Step-by-step explanation:

One side is 60 so the other side is 60

X=20

4(20)-20=60

60=(4(20)-20)

60=80-20

60=60

kinda got a bit dum

8 0
2 years ago
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