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weqwewe [10]
4 years ago
5

Please help me it’s due tomorrow and I need all work to

Mathematics
2 answers:
allochka39001 [22]4 years ago
3 0
1. 10/48 = 5/24
2. 168/360= 28/60= 7/15
3. 70/15= 14/3
4. 9/4
5. 22/5 x 10/3= 220/15= 44/3
6. 8/3 x 29/4 = 232/12= 116/6= 58/3
Answers are in bold.  

jeka944 years ago
3 0
For number 1 is 2/4 what is equal 1/2 so
1/2 × 5/12 = 5/24
2. 12/20×14/18=7/15
3. 10/15×7= 14/3 or 4 2/3
4. 3/4×3= 9/4 or 2 1/4
5. 4 2/5×3 1/3= 8/5 or 1 3/5
6. 2 2/3 ×7 1/4= 7/3 or 2 1/3
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Based upon extensive data from a national high school educational testing program, the standard deviation of national test score
Amiraneli [1.4K]

Answer:

The standard error of the mean is 10.11 points

Step-by-step explanation:

Standard error of mean = t×sd/√n

sd = 115 points, n = 500, degree of freedom = n-1 = 500-1 = 499, assuming a 95% confidence level, t-value corresponding to 499 degrees of freedom and 95% confidence level is 1.96501

Standard error of mean = 1.96501×115/√500 = 10.11 points (to the nearest 100th)

6 0
3 years ago
Find the volume of the prism.<br><br> A. 578.8 ft<br> B. 552.9 ft<br> C. 598.1 ft<br> D. 591.5 ft
Elena L [17]

Answer:

591.5 ft^{3}

Step-by-step explanation:

Volume = length x width x height

Length = 13 ft. Because it is the same size has the height

Width = 7 ft.

Height = 13 ft.

13ft x 13ft x 7ft = 1,183 ft

BUT, that can't be the answer because we're solving a prism

So divide the volume.

1,183 divided by 2 equals 591.5

3 0
3 years ago
Ahmed runs a baked potato stall at the market. He makes a profit of 40c on each potato he sells but he has to pay $50 each day f
Butoxors [25]
Amount of money make(profit) = $(0.40x-50)
3 0
3 years ago
What fraction is equal to 2/5 4/7,4/10,6/9
Julli [10]
4/10 is equal to 2/5 because if you reduce 4/10 you get 2/5 which shows that they are equal.
7 0
3 years ago
13u = 26 is it 39, 338 , or 2
Helga [31]

Answer:

13u = 26

13*2 = 26

2 is the answer

3 0
3 years ago
Read 2 more answers
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