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Galina-37 [17]
3 years ago
8

How many odd numbers are in 10 to 50?

Mathematics
1 answer:
dlinn [17]3 years ago
3 0

Answer:

20

Step-by-step explanation:

11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49

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During his tennis career in singles​ play, John won 4 fewer tournament A titles than tournament B titles and 2 more tournament C
Dafna11 [192]
A-4=B
2+C=B
A+B+C=13

A=b+4
C=B-2
Plug in to equation 3
(B+4)+B+(B-2)=13
Rearrange
B=11/3
A=(11/3)+4= 23/3
C=(11/4)-2= 3/4
7 0
3 years ago
How to do HCF and LCM
aliya0001 [1]
To find the GCF, list the prime factors of each number, then multiply the factors that both number have in common. To find the LCD, find the smallest possible integer divisible by both numbers.
7 0
3 years ago
6(2) - 7(8 + 6 - 3(2)​
san4es73 [151]

Answer:

-44

Step-by-step explanation:

12-7(8+6-6)

12-7(8)

12-56

-44

7 0
3 years ago
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Mario drew a model to represent one third of the space in his bookcase. how could mario draw a model to represent all the space
Maksim231197 [3]
He could of drew it open
6 0
3 years ago
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Use the table of systolic blood pressures (in mm Hg) in each arm
e-lub [12.9K]

Answer:

The 90% confidence interval would be given by (63.330;81.070)

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Let put some notation

x=left arm , y = right arm

x: 175 169 182 146 144

y: 102 101 94 79 79

Since the Confidence is 0.90 or 90%, the value of a = 0.1 and a/2= 0.05we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.05,4)".And we see that ta/2= 2.13

3 0
2 years ago
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