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4 years ago

What is greater, 2/5, 3/10, 1/2, or 1/10?

Mathematics

2 answers:

Pani-rosa [81]4 years ago

7 0

2/5 = 40%
3/10= 30%
1/2= 50%
1/10= 10%

so it's 1/2

Otrada [13]4 years ago

6 0

1/2 is the greatest. 1/2 equals 50%. 1/10 equals 10%, 3/10 equals 30%, and 2/5 equals 40%.

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Which values of a and b make the following equation true?

zzz [600]

Answer:

A. is correct answer

Step-by-step explanation:

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2 years ago

In the figure below, angle y and angle x form vertical angles. Angle y forms a straight line with the 60° angle and the 70° angl

ivolga24 [154]

Answer:

X =50 Y is also 50 since they are vertical angles

Step-by-step explanation:

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3 years ago

What is the geometric mean 2 and 7?

puteri [66]

Answer: $\sqrt{14}$

Work Shown:

$\text{x} = \text{geometric mean of A and B}\\\\\text{x} = \sqrt{A*B}\\\\\text{x} = \sqrt{2*7}\\\\\text{x} = \sqrt{14}\\\\$

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2 years ago

C 17. At high school A, the mean score of 50 students on a science test is 75.

givi [52]

Answer:

Mean score of 90 students = 77.2

Step-by-step explanation:

Mean score of 50 students from school A = 75

Mean score of 40 students from school B = 80

We need to find mean score of the 90 students?

First we will find sum of scores of students from school A

We know that: $Average=\frac{Sum\:of\:Terms}{Number\:of\:terms}$

We have Average = 75, Number of terms = 50, We need to find Sum of terms (scores)

$Average=\frac{Sum\:of\:Terms}{Number\:of\:terms}\\75=\frac{Sum\:of\:Terms}{50}\\Sum\:of\:Terms= 75\times 50\\Sum\:of\:Terms=3750$

So, Sum of scores for School A = 3750

Now, we will find sum of scores of students from school B

We know that: $Average=\frac{Sum\:of\:Terms}{Number\:of\:terms}$

We have Average = 80, Number of terms = 40, We need to find Sum of terms (scores)

$Average=\frac{Sum\:of\:Terms}{Number\:of\:terms}\\80=\frac{Sum\:of\:Terms}{40}\\Sum\:of\:Terms= 80\times 40\\Sum\:of\:Terms=3200$

So, Sum of scores for School B = 3200

Now, We will find mean score of the 90 students?

Mean score of 90 students will be:

$Average=\frac{Sum\:of\:Terms}{Number\:of\:terms}\\Average=\frac{3750+3200}{90}\\Average=\frac{6950}{90}\\Average = 77.2$

So, mean score of 90 students = 77.2

8 0

3 years ago

Make 8 10 times as much

Neporo4naja [7]

80 would be the answer i guess can you explain more in depth?

6 0

3 years ago