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scoundrel [369]
2 years ago
7

A. B. C. D. E. please help me I suck at this

Mathematics
1 answer:
Alex17521 [72]2 years ago
5 0

Answer:

E green team, because their score starts from 75 to 90, whiles the red starts from 80 to 85

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Which number satisfies the inequality 12n &lt; 3n+28<br>A) 3<br>B) 4 <br>C) 5<br>D) 6
DiKsa [7]
Your answer would be (A)
3 0
3 years ago
In a sample of 57 temperature readings taken from the freezer of a restaurant, the mean is 29.6 degrees and the population stand
Natalka [10]

Answer:

(29.14 ; 30.06)

Step-by-step explanation:

Given that'

Sample size (n) = 57

Mean (m) = 29.6

Population standard deviation (σ) = 2.7

Confidence interval = 80%

= (1 - 0.8) / 2 = 0.1

Mean ± z * σ/√n

Using the Z probability calculator : Z0. 1 = 1.28

Hence,

29.6 ± 1.28 * (2.7 / √57)

29.6 - (1.28 * 0.3576237) ; 29.6 + (1.28 * 0.3576237)

29.142241664 ; 30.057758336

(29.14 ; 30.06)

8 0
3 years ago
PLS HELP ME ASAP. I don’t have time to do this. It also detects if it’s right or wrong.
nadezda [96]

Answer:

153.86

Step-by-step explanation:

3.14*7^2=153.86

6 0
3 years ago
Work the following problem. Choose the correct answer. If an article costs a store $17.45 and if it sells the article for $22.95
Sedaia [141]
(22.95−17.45)÷17.45)*100=31.52%
5 0
3 years ago
Read 2 more answers
Please help me with this Math question...
kati45 [8]

Answer:

A) length = 9cm, width = 4 cm

Step-by-step explanation:

The key word "times" refers to multiplication, so if you're trying to find dimensions at 1/4 times its original size, you need to multiply the original dimensions by 1/4.

l = 36

new l = 36 (1/4)

          = 36/4

          = 9 cm

w = 16

new w = 16 (1/4)

            = 16/4

            = 4 cm

5 0
3 years ago
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