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son4ous [18]
3 years ago
11

Chaz is a college student. He has a checking account balance of -$52.00. His roomate Wills checking account balance is -$59.25.

Chaz thinks that Will owes more to the bank than Chaz does. Is Chaz correct?
Plsss help and explain, 20 points
Mathematics
1 answer:
torisob [31]3 years ago
3 0
Okay, so if Chaz has a balance of -52.00, and Willis has a balance of -59.25, this means that Willis is further into debt. Chaz would be correct to say that Willis owes more money to the bank. The further into the negatives your bank account is, the more money you owe. Willis owes the bank 7.25 more than Chaz owes. 
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shutvik [7]

Answer:

Ben bought 11 cheese pizzas, 16 pepperoni pizzas and 9 supreme pizzas

Step-by-step explanation:

We can solve this problem with a equation system. I will abbreviate the amount of cheese pizzas he buyed as C, the amount of pepperoni ones as P, and the amount of supreme ones as S. I will also remove the $ notation

The system is given as follows

  • C+P+S = 36
  • 8C + 11P + 14S = 390
  • 11P = 2*(8C) = 16C

We can easily replace 11P with 16C in equation 2, obtaining

8C + 16C + 14S = 390

24C + 14S = 390

S = (390- 24C)/14 = 195/7 - 12/7 C

Note that, also from equation 3, we have that

11P = 16 C

P = 16/11 C

Now, we can obtain the value of C using equation 1 replacing S and P with the founded values

C+P+S = 36

C + 16/11 C + 195/7 - 12/7 C = 36

C + 16/11 C - 12/7 C = 36-195/7 = 57/7

Taking C as common factor we obtain

C (1+16/11-12/7) = 57/7

C * 57/77 = 57/7

C = (57/7) / (57/77) = 11

Now, we replace this value in the formula we obtain for P and S

P = 16/11 * C = 16/11 * 11 = 16

S = 195/7 - 12/7 * 11 = 63/7 = 9

Now, we verify:

  • C+P+S = 11+16+9 = 36
  • 8C + 11P + 14S = 8*11 + 11*16 + 14*9 = 88 + 176 + 126 = 390
  • 2(8C) = 2*88 = 176 = 11P

Thus, Ben bought 11 cheese pizzas, 16 pepperoni pizzas and 9 supreme pizzas.

8 0
3 years ago
A battery was charged. When the charging began, it was 23 percent full. After 30 minutes of charging, the battery was 89 percent
AfilCa [17]

QUESTION:

A battery was charged. When the charging began, it was 23 percent full. After 30 minutes of charging, the battery was 89 percent full. how fast did the battery charge and how long did it take?

Solution :

<u>Given</u>

  • Initial amount of charge = 23%
  • Amount after charge = 89%

<u>procedu</u><u>re</u>

Let the rate of charging be r .

r = (change in charge level) / (time interval) = (89% - 23%) / (30 min) = 2.2 % per minute

charge = (rate of charging)(time) + (initial charge)

100% = r*t + 23%

100% = (2.2 %/min)t + 23%

Solve for t and get

t = [(100 - 23) / 2.2]

Answer = 35 min

7 0
4 years ago
Explain the diffrences between +8,-8,{8}.
lesantik [10]
+8 means that it is a positive number
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I think what you mean by: {8}, is |8| which is absolute value which means no matter the answer it is the absolute value from 0 so it’s always +
4 0
4 years ago
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jonny [76]

Answer: B -4

Step-by-step explanation:

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NemiM [27]

Answer:

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Step-by-step explanation:

As we can see that the diagonals bisects so

LN = 20

UN = 20 /2 = 10

So Now

UN = 5x

10 = 5x

x = 10 / 5

x = 2

7 0
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