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elena-14-01-66 [18.8K]
3 years ago
8

Find the reciprocal 8

Mathematics
1 answer:
love history [14]3 years ago
8 0
-1/8  is your answer

hope this helps
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In an effort to make childrenâs toys safer and more tamperproof, toy packaging has become cumbersome for parents to remove in ma
Monica [59]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Old design samples(n1) = 220

New design samples (n2) = 220

P1 = 81/220 = 0.368 ; P2 = 41/220 = 0.186

Null hypothesis : p1 - p2 ≥ 0.05

Alternative hypothesis : p1 - p2 < 0.05

Using the test statistic formula :

t = (P1 - P2) / √[P(1-P)(1/n1 + 1/n2)]

P = (81 + 41)/(220 + 220) = 122/440 = 0.277

1 - P = 0.723

t = (0.368 - 0.186) / (√(0.277(0.723)(1/220 + 1/220)))

t = 4.265

P value from z test at α = 0.05

P value = 0.00002

Test for significance at α = 0.01 ;

Test for significance at α = 0.1

Result is significant at both α levels, hence reject the Null.

5 0
3 years ago
One of the legs of a right triangle measures 17 cm and its hypotenuse measures 18 cm. Find the measure of the other leg. If nece
Keith_Richards [23]

Answer:

h² = p² + b²

Step-by-step explanation:

324 = 289 + x²

x² = 35

x = 6 is your nearest ten answer

7 0
2 years ago
The distance, y, in centimeters, of an ant from a hole in the tree for a certain amount of time, x, in seconds, is shown in the
BigorU [14]

Answer:

part A. the graph is non-liner because it is not a straight line.

part B. a is increasing b is constant and c is decreasing.

part C. the ant left his hole to go find food but 2 seconds later he saw a human and got scared so he just stayed there with no movement for 3 seconds then decided to just go back to his hole 

part a might be wrong i think its right not sure tho but the rest is correct

6 0
3 years ago
1) For each diagram, decide if y is an increase or a decrease relative to x. Then determine how much it increased or decreased.​
svp [43]

Answer:

i dont know

Step-by-step explanation:

7 0
2 years ago
Can somebody plz help answer all these questions correctly thanks so much!!!
Nataly_w [17]

Answer: 1. 6+3=9

2. 9-7 = 2

3. 7(3) = 21

4. 8+0 = 8

5. 4(4)+5 = 16+5 = 21

6. 7(5)-4= 35-4= 31

7. 19-3(2)= 19-6 = 13

8. 11+ 3(4)= 11+ 12 = 23

Step-by-step explanation:

Just plug in whatever variable of the variable it says for that variable and solve!

5 0
2 years ago
Read 2 more answers
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