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andriy [413]
3 years ago
9

If your heart beats 65 times in one minute, how many times does it beat in a day? Tips: There are 60 minutes in one hour. There

are 24 hours in a day.
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0
93600 because 65 beats in a minute x 60 minutes every hour = 3900 beats every hour.
3900 beats every hour x 24 hours = 93600
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Mathematics question ​
Svetach [21]

Answer:

it's option B the second one

7 0
3 years ago
Read 2 more answers
Use geometric mean to find the 7th term in a geometric sequence if the 6th term is 12 and the 8th term is 27
Darya [45]

Answer:

18

Step-by-step explanation:

<em>First, use the equation for geometric mean; an=a1r^n-1</em>

*where is an is the number at an n term, r is the ratio and a1 is the first number of the sequence.*

12 = a1 r^5

27 = a1r^7

From the equations above,

a1 = 128/81

r = 3/2

Therefore, the 7th term is:

an = (128/81) (3/2)^6

an = 18

hope this helps :)

3 0
3 years ago
Based on the graphs of the equations y = x + 7 and y = x2 – 3x + 7, the solutions are located at points:
Triss [41]

The correct option is A. (4, 11) and (0, 7).

The solution of the equations y = x + 7 and y = x² – 3x + 7, the solutions are located at points: (4, 11) and (0, 7).

<h3>What is the system of linear equation?</h3>

Estimate the y-intercept, slope, and express the equation in the form of the y-intercept (y = mx + b) to find the graphed equation. The slope is the difference between the y- and x-axis values.

A graph equation is an equation in graph theory where the unknown is a graph. Isomorphic ideas are one of the key issues in graph theory.

The equations are; y = x + 7 and y = x² - 3x + 7

At the solution, the u-values are equal, which gives;

y = y

x + 7 = x² - 3·x + 7

x² - 3·x + 7 - (x + 7) = 0

x² - 4·x = 0

x·(x - 4) = 0

x = 4, or x = 0

When x = 4, y = 4 + 7 = 11

When x = 0,

         y = 0 + 7 = 7

Therefore, the solution for the equations  y = x + 7 and y = x² - 3x + 7 are are located at points: (4, 11) and (0, 7).

To know more about system of linear equations, here

brainly.com/question/14323743

#SPJ4

The complete question is-

Based on the graphs of the equations y = x + 7 and y = x² – 3x + 7, the solutions are located at points:

A. (4, 11) and (0, 7)

B. (4, 11) and (–7, 0)

C. (–7, 0) and (1.5, 4.75)

D. (1.5, 4.75) and (0, 7)

4 0
2 years ago
Find how much interests $15000 earns in 2 years in a certificate of deposit paying 7.5% interest compounded quarterly the intere
Klio2033 [76]

Answer:

Step-by-step explanation:

Initial amount deposited in the certificate of deposit is $15000 This means that the principal so

P = 15000

It was compounded quarterly. This means that it was compounded 4 times in a year. So

n = 4

The rate at which the principal was compounded is 7.5%. So

r = 7.5/100 = 0.075

It was compounded for 2 years. So

t = 2

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount in the account at the end of t years. Therefore

A = 15000 (1+0.075/4)^4×2

A = 15000(1.01875)^8 = $17403

The interest would be

17403 - 15000 = $2403

4 0
3 years ago
Complete the ordered pairs of two points on a line with a greater rate of change than the given linear function
elixir [45]
It would be (0,-3) and (2,3). You can see that they have a bigger distance compared to the other points being compared.
5 0
3 years ago
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