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Harman [31]
3 years ago
6

Mr. rodriquez was on the telephone for 182 minutes. She called 7 friends to invite them to a luncheon. If she spoke to each frie

nd an equal amount of time, how many minutes did she speak to each friend
Mathematics
2 answers:
Archy [21]3 years ago
6 0
We know Mr. Rodriquez talked for a total of 182 minutes! And Mr. Rodriquez Called 7 of her friends to invite them to luncheon. The problem then says an equal amount of time! This tells us we have to divide. Simply do 182 divided by 7 which gives us a total of 26 minutes each friend she spoke to
vitfil [10]3 years ago
5 0
He spoke to each friends for 26 minutes

How I found out : how I found out is that all you have to do it get the total amount which in this question it is going to be 182. And you would need to dive 182 by 7 to find the unit rate (182/7) which is going to equal 26.which means he called each friend for 26 minutes
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Can someone please help me with this
omeli [17]

Answers:

  • x = 3
  • CD = 21
  • DE = 16
  • CE = 21

=============================================================

Explanation:

The congruent base angles are D and E. Opposite those angles are the sides CE and CD. These opposite sides are the same length.

CE = CD

16x-27 = 4x+9

16x-4x = 9+27

12x = 36

x = 36/12

x = 3

This x value then leads to the following:

  • CD = 4x+9 = 4*3+9 = 12+9 = 21
  • DE = 7x-5 = 7*3-5 = 21-5 = 16
  • CE = 16x-27 = 16*3-27 = 48-27 = 21

We see that CD and CE are both 21 units long, which helps confirm we have the correct x value.

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2 years ago
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Naddik [55]

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Something like 0.58 converts to 58% when you move the decimal point 2 spots to the right.

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3 years ago
How do you round 8.656 to the nearest tenth
MrRissso [65]
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Answer:

Step-by-step explanation:

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Lapatulllka [165]

Answer:

t=19.25\ years

Step-by-step explanation:

we know that

The formula to calculate continuously compounded interest is equal to

A=P(e)^{rt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest in decimal  

t is Number of Time Periods  

e is the mathematical constant number

we have  

t=?\ years\\P=x\\r=3.6\%=3.6/100=0.036\\A=2x  

substitute in the formula above

2x=x(e)^{0.036t}  

solve for t

simplify

2=(e)^{0.036t}  

Apply ln both sides

ln(2)=ln[(e)^{0.036t}]

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ln(2)=[0.036t]ln(e)

Remember that ln(e) =1

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t=ln(2)/[0.036]

t=19.25\ years

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