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lidiya [134]
3 years ago
7

Which of the following is equal to 7÷9/5 A: 9×7/5 B: 7×9/5 C: 9×5/7 D: 7×5/9

Mathematics
1 answer:
eduard3 years ago
3 0
D— put 7 over 1 and then change division sign to multiplication & then flip 9/5 to 5/9
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Either b or e

Step-by-step explanation:

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How many different passwords are possible
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3 years ago
The sum of three consecutive terms of an arithmetic sequence is 27, and the sum of their squares is 293. What is the absolute di
Ber [7]

The absolute difference between the greatest and the least of these three numbers in the arithmetic sequence is 10.

The sequence is an arithmetic sequence. Therefore,

d = common difference

let

a = centre term

Therefore, the 3 consecutive term will be as follows

a - d,  a, a + d

a - d +  a + a + d = 27

3a = 27

a = 27 / 3

a = 9

Therefore,

(a-d)² + (a)² + (a + d)² = 293

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(81 - 18d + d²) + 81 + (81 + 18d + d²) = 293

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d = √25

d = 5

common difference = 5

Therefore, the 3 numbers are as follows

9 - 5 , 9, 9 + 5 = 4, 9, 14

The difference between the greatest and the least of these 3 numbers are as follows:

14 - 4 = 10

learn more on Arithmetic progression: brainly.com/question/25749583?referrer=searchResults

7 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
Greeley [361]

Answer:

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Step-by-step explanation:

6 0
3 years ago
A triangle has a perimeter of 48 feet. If the three sides of the triangle are n, 4n−2, and 4n−4, what is the length of each side
alexdok [17]

Answer:

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Step-by-step explanation:

1) if the length of the each side are: n; 4n-2 and 4n-4, then the expression of the perimeter can be written: P=n+4n-2+4n-4 or P=9n-6.

2) if according to the condition perimeter is 48 (ft.), then

9n-6=P; ⇔ 9n-6=48; n=6.

3) if n=6, then the required lengths of the sides are:

n=6 (ft.);

4n-2=22 (ft.);

4n-4=20 (ft.)

3 0
3 years ago
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