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Setler [38]
3 years ago
11

Marisol graphed a scatter plot of the number of hours she rode her

Mathematics
2 answers:
erik [133]3 years ago
8 0

Answer:

25

Step-by-step explanation:

maks197457 [2]3 years ago
6 0

Answer:

lolololololololoolololo

Step-by-step explanation:

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An independent-measures research study uses a total of 18 participants to compare two treatment conditions. If the results are u
Luba_88 [7]

Answer:

The answer is false

Step-by-step explanation:

In a sample above 30 obs  like this the confidence interval is defined as

X+- t* (s/sqrt(n)) where X is the mean t the tvalue for a given confidence level, n the size of sample and s standar deviation.

To find de appropiate value of t we must see the T table where rows are degrees of freedom and columns significance level

The significance is obtained:

significance = 1 - confidence level = 1 - 0.9 = 0.10

Degrees of freedom (df) for the inteval are

df = n - 1 = 18 - 1 = 17

So we must look for the value of a t with 17 values and significance of 0.10 which in t table is 1.740 not 1.746 ( thats the t for 16 df)

6 0
3 years ago
A baseball team practices 4 times a week. Each practice lasts for 115 minutes. The team practiced for 12 weeks during the season
Xelga [282]

Answer:

5520 min

Step-by-step explanation:

4*115=460

460*12=5520

4 0
2 years ago
Read 2 more answers
You eam (4x + 12) points after completing x levels of a video game and
EastWind [94]

Answer: (4x+12) - (2x-5)

Step-by-step explanation: The (4x+12) is positive and the (2x-5) is negative.

5 0
3 years ago
A sign in the the store window advertises 3-t shirts for $16.50 which coronet pierced as a unit rate of the T-shirt sale sc $16.
Kruka [31]
You would have to divide 16.50 into 3 then put your answer down hope this helps
8 0
3 years ago
1. JP Construction is building a rectangular children's wading pool for the local community center. The pool will be 4.5 meters
Bond [772]

Answer:

x\leq 1.78

Step-by-step explanation:

We are given that

Width of pool, b=4.5 m

We have to find the inequality which  represents the possible lengths of the wading pool.

Let x be the length of wading pool

We know that

Area of rectangle=length\times breadth

According to question

Using the formula

4.5x\leq 8

Divide by 4.5 on both sides we get

x\leq\frac{8}{4.5}

x\leq 1.78

5 0
3 years ago
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