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Vesna [10]
3 years ago
12

The value of Greta's rolls of coins is $121.00. If pennies and dimes come in rolls of 50 coins each, and nickels and quarters co

me in rolls of 40 coins each, which of these combinations could Greta have?

Mathematics
1 answer:
aksik [14]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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The zeros of a quadratic function
Sedaia [141]

Answer:

(x-5)(x+9) = 0

Step-by-step explanation:

In the equation above, if you plugged in the values given(5, and -9) then you will see that the answer i s0. You basically takes the zeroes you are given, and invert their signs to form the equation.

5 0
2 years ago
A number is at most 16; what is the inequality?
mash [69]

at most= ≤

Let n=the number

n≤16

6 0
3 years ago
Please answer quickly, (1 question, 30 pts) thanks!
kaheart [24]

Step-by-step explanation:

once the level of medicine reaches a value, where 30% are 23mL (so, whatever is lost, is immediately replaced again), that is then the long run value for the amount of the drug in the patient's body.

so,

30% = 23 mL

1% = 30%/30 = 23/30 = 0.766666666...

100% = 1%×100 = 0.766666666... × 100 = 76.666666...

so, once the level reaches 76.666666... mL in the body, it will remain constant, as the daily filtered out 30% are 23 mL, and the daily add-on is also 23 mL.

so, the answer is

76.667 mL

5 0
1 year ago
If 2 kg of potatoes cost £8.10, find the cost of 1 kg of potatoes
Ganezh [65]

Answer:

£4.05

Step-by-step explanation:

1kg of potatoes= 8.10 divided by 2=£4.05

6 0
3 years ago
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Ben has a part time job at the fun station. Suppose he worked 13.5 hours last week and $81. How much does Ben earn per hour
scoundrel [369]

To get the answer, you will just use this operation: Division.
Let's divide it. 81 ÷ 13.5 = 6.

So, the answer is
Ben earns $6 per hour at the fun station.

8 0
2 years ago
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