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kogti [31]
2 years ago
13

A physical education class is running a mile. The teacher has set a goal of 12 minutes to complete the mile. Students receive a

score to show how close they are to the target of 12 minutes. For example, if students run the mile in 8 minutes, their scores will be -4. Complete the statements about the students’ scores.
Anja ran the mile in _______ . Her score is –2.
2
10
12
Issac ran the mile in 13 minutes. His score is______ .
-1
0
1
Simon ran the mile in 12 minutes. His score is______ .
-12
0
12
Mathematics
2 answers:
Lana71 [14]2 years ago
7 0

Answer:

1: 10.

2: 1.

3: 0.

dalvyx [7]2 years ago
6 0

Answer:

1(10

2(1

3(0

Step-by-step explanation: purrr

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A random sample of the amounts for 22 purchases was taken. The mean was ​$42.97​, the standard deviation was ​$22.82​, and the m
Illusion [34]

Answer: a) 84 and b ) 2084

Step-by-step explanation:

Given : Sample standard deviation : s= $22.82

(Population standard deviation is unknown ) , so we use t-test.

Critical value or the​ 95% confidence intervals :t_{n-1}*=2.0

Formula to find the sample size :

n=(\dfrac{t^*\cdot s}{E})^2

a) E = 5

n=(\dfrac{(2)\cdot 22.82}{5})^2

n=(9.128)^2=83.320384\approx84

i.e. Required sample size : n= 84

b)  E = 1

n=(\dfrac{(2)\cdot 22.82}{1})^2

n=(45.64)^2=2083.0096\approx2084

i.e. Required sample size : n= 2084

8 0
3 years ago
13 yd<br>Circumference =.​
k0ka [10]

Answer:

yjajsjsuwjjajaiwija

6 0
2 years ago
Help please need this answer
fredd [130]

Answer:

(5,4) is the solution

Step-by-step explanation:

2x + y = 14 --> y = -2x + 14

Substitute y = -2x + 14 into 3x - 2y = 7


3x - 2( -2x + 14) = 7

3x + 4x - 28 = 7

7x = 35

x = 5

y = -2(5) + 14

y = -10 + 14

y = 4

Answer (5 , 4)

7 0
3 years ago
Read 2 more answers
The answer is 915 / 7
Naily [24]

Answer:

If you want 915/7 simplified, it is 130.714285714.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Can someone tell me if it’s correct?
mart [117]
Yes yes it is correct
8 0
3 years ago
Read 2 more answers
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