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2 years ago

What is the hcf of 20 and 25

Mathematics

2 answers:

Savatey [412]2 years ago

8 0

The GCF of 20 and 25 is 5

fomenos2 years ago

6 0

The answer is 5. The only factors are 1 and 5, and 5 is the highest.

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Take the following numbers and calculate the mean, median and mode. 75, 65, 70, 70, 55, 40, 55, 70, 65

emmainna [20.7K]

1. mean

To solve for mean, add all the numbers, and divide by the amount of numbers there is.

(75 + 65 + 70 + 70 + 55 + 40 + 55 + 70 + 65)/9 = 565/9 = 62 7/9 (a. 62.8)

2. Median

To solve for median, reorder all numbers from least to greatest, and the middle number is your median.

40, 55, 55, 65, 65, 70, 70 , 70, 75

Middle number is bolded

40, 55, 55, 65, 65, 70, 70, 70, 75

(b. 65)

3. Mode

To solve for mode, find out which number shows up the most.

(c. 70) shows up once more than the next number that has the most (55 & 65, which both have 2)

4 0

3 years ago

D = a - b - c solve for b

enot [183]

To isolate b, add a and subtract c to the entire equation:

D - a + c = -b

Muliply b by -1 to eliminate the negative:

-D + a - c = b

5 0

2 years ago

You dropped two coins. What is the probability that they will both land on<br> heads?

VMariaS [17]

Answer:

50/50

Step-by-step explanation:

they both have 2 sides. half of that is %50

5 0

2 years ago

Read 2 more answers

Please solve: -8+1 >-23

elena-14-01-66 [18.8K]

-8 + 1 = -9 and its less than

3 0

2 years ago

Read 2 more answers

How do i find the slope-<br> 20 points answer!<br> [imagine below included!]

Dafna11 [192]

Answer:

3/3 = 1

Step-by-step explanation:

The slope formula is..

Pick two formulas. Let's do (-5, -2) and (-2, 1)

x1 y1 x2 y2

(-5, -2) (-2, 1)

$\frac{1-(-2)}{-2-(-5)}$ = $\frac{3}{3}$ = 1

It'll work the same thing for (-2, 1) and (1,4)...

3/3 or 1 is a pattern between the points.

5 0

2 years ago