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Phoenix [80]
3 years ago
7

Can someone help me?

Mathematics
1 answer:
ad-work [718]3 years ago
3 0

Answer:

  • registration fee: $50
  • monthly fee: $80

Step-by-step explanation:

Let r and m represent the registration fee and the monthly fee, respectively. We are told that the charges are ...

  370 = r + 4m

  530 = r + 6m

This is your system of equations.

__

Subtract the first equation from the second to start the solution.

  (530) -(370) = (r +6m) -(r +4m)

  160 = 2m . . . . . . simplify

  80 = m . . . . . . . . divide by 2

Using this value in the first equation, we find ...

  370 = r + 4(80)

  50 = r . . . . . . . . . . . . subtract 320

The registration fee is $50; the monthly fee is $80.

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What breaks 40 into 5 equal pieces?<br><br> a) 1/2<br> b) 2/10<br> c) 2%<br> d)20%
natka813 [3]

Answer:

20

Step-by-step explanation:

20 percent of 40 is 5

so 20 is d answer

7 0
2 years ago
Imagine that each of these 40 students then made their choices from the list of four personality
Zigmanuir [339]
To be honest my example for this is 160
8 0
3 years ago
AB, CD, and EF intersect at O. If CD is perpendicular to EF and m
REY [17]

Answer:

m(∠AOF) = 148°

Step-by-step explanation:

From the figure attached,

CD intersects line EF at a point O.

Line CD is perpendicular to the line EF.

m(∠AOE) = 32°

m(∠COE) = 90°

Since m(∠COE) = m(∠AOE) + m(∠AOC) = 90°

32° + m(∠AOC) = 90°

m(∠AOC) = 90° - 32° = 58°

m(∠AOF) = m(∠AOC) + m(∠COF)

               = 58° + 90°

               = 148°

Therefore, m(∠AOF) = 148° will be the answer.

4 0
3 years ago
PLEASE PLEASE PLEASE HELP!!
irga5000 [103]
  9            a
------  =  -----
  a            5

a^2 = 45 

a = 3<span>√5
</span>
  4            b
------  =  -----
  b            5

b^2 = 20

b = 2√5

answer: 

a = 3√5
b = 2√5

hope it helps
7 0
3 years ago
#6. How do you do it?
bazaltina [42]

Answer:

all work is shown and pictured

6 0
3 years ago
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