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Kobotan [32]
3 years ago
12

write an inequality to represent this situation: Nina wants to take at least $15 to the movies. How did you decide which inequal

ity symbol to use?
Mathematics
1 answer:
Y_Kistochka [10]3 years ago
3 0
If D is dollar to buy movie tickets then
nina should have D≥15$
she should have 15$ atleast to buy a movie ticket.
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I need to find the volume of a prism that is 2.5 by 2.5 by 2.5
miskamm [114]
The volume of the prism is 15.625 because 2.5×2.5= 6.25 and 6.25 ×2.5= 15.625. Can I please get brainliest?
7 0
3 years ago
The ratio of green marbles to Yellow marbles in Diego bag is equal to 2 to 5 what percent of the marbles in the bags are green m
muminat
I believe the answer is 40% 

Not entirely sure, hope I helped though!
4 0
3 years ago
Read 2 more answers
Your parents allow you to borrow a car to get to your part-time job, but you have to pay for a tank of gas each month. Gasoline
alex41 [277]
The answer to this question is the letter "A" which is $20.70. The solution is shown below:

If the guy will solely use the car, his expenses for the gasoline per month is:
Guy alone = $ 2.76/gallon * 15 gallons = $ 41.4
 
If the guy will let his two officemates ride the car and contribute each quarter of the of a tank:
First officemate = 15/4 * $2.76 = $ 10.35
 Second officemate = 15/4 * $2.76 = $10.35

The guy total savings is shown below:
Total savings = $41.4 - $10.35 -$10.35
Total savings = $20.70

The answer is the letter "A".
5 0
3 years ago
Drag each tile to the correct box. Not all tiles will be used. Consider function f. f(x)=7x-21 Place the steps for finding in th
dimulka [17.4K]

x=7x-21

Step-by-step explanation:

  • x=7x-21
  • 21=7x-x
  • 21=6x
  • x=21/6
  • x=7/2
  • x=3.5
5 0
2 years ago
Of the cars sold during the month of July, 89 had air conditioning, 99 had an automatic transmission, and 74 had power steering.
DedPeter [7]

Answer:

There are a total of 23 cars with air conditioning and automatic transmission but not power steering

Step-by-step explanation:

Let A be the cars that have Air conditioning, B the cars that have Automatic transmission and C the cars that have pwoer Steering. Lets denote |D| the cardinality of a set D.

Remember that for 2 sets E and F, we have that

|E \cup F| = |E| + |F| - |E \cap F|

Also,

|E| = |E ∩F| + |E∩F^c|

We now alredy the following:

|A| = 89

|B| = 99

|C| = 74

|A \cap B \cap C| = 5

|(A \cup B \cup C)^c| = 24

|A \ (B U C)| = 24 (This is A minus B and C, in other words, cars that only have Air conditioning).

|B \ (AUC)| = 65

|C \ (AUB)| = 26

|B \cap C| = 11

We want to know |(A∩B) \ C|. Lets calculate it by taking the information given and deducting more things

For example:

99 = |B| = |B ∩ C| + |B∩C^c| = 11 + |B∩C^c|

Therefore, |B∩C^c| = 99-11 = 88

And |A ∩ B ∩ C^c| = |B∩C^c| - |B∩C^c∩A^c| = |B∩C^c| - |B \ (AUC)| = 88-65 = 23.

This means that the amount of cars that have both transmission and air conditioning but now power steering is 23.

3 0
3 years ago
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