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user100 [1]
2 years ago
13

How do I find the slope and the intercept of y= -x + 100?

Mathematics
1 answer:
Bess [88]2 years ago
3 0

Answer:

the slope is -1

y intercept = 100

Step-by-step explanation:

y = -x+100 is in the form

y = mx+b

m is the slope and b is the y intercept

m = -1

b =100


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Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take
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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

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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

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2 years ago
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Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each bea
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Answer:

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To make a profit of at least $500 the equation can be written as

95+15x+500\leq35x

595\leq50x

⇒ x\geq11.9=12

Hence,  to make a profit of at least $500 she must sell at least 12 necklaces



7 0
3 years ago
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