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svet-max [94.6K]
3 years ago
9

-37 - 7r = -3(5r - 9)

Mathematics
2 answers:
Alecsey [184]3 years ago
4 0

Answer:

r=8

Step-by-step explanation:

-37-7r= -15r+27

-7r=-15r+64

8r=64

divide 8

r=8

Salsk061 [2.6K]3 years ago
3 0

Answer:

I have the answer:).

Step-by-step explanation:

According to a high-standard calculator, r = 8.

Hope I can help:)!!

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Step-by-step explanation:

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Which of the following is a solution of the inequality 0.75n + 1.5 &lt; 59.25
mojhsa [17]

Answer:

b.77

Step-by-step explanation:

0.75n + 1.5 < 59.25

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5 0
4 years ago
4) Which number would divide the numerator and the denominator of the first
pav-90 [236]

Answer:

2/2

Step-by-step explanation:

I think so, because 14/2 = 7 and 18/2 = 9

6 0
3 years ago
Gas in Germany cost 1.50 euros per liter. how much is this in dollars per gallon
SIZIF [17.4K]
To solve this problem, you will have to first find how many US Dollars are in 1 Euro. Upon looking this up, I see that currently 1 Euro is worth 1.23 US Dollars. Next, you must calculate how many liters are in a gallon. Looking this up shows that 1 liter is equal to 0.264 gallons.

Since 0.264 is not a whole gallon and we are asked to find the price per gallon, we should next calculate how many liters can fit in a gallon. To do this, we will divide 1 by 0.264, which gives us 3.78. This tells us that 3.78 liters will fit into a gallon.

The cost of 1L of gas in euros is 1.50 Euros. Since we need 3.78L to equal 1 gallon, we can calculate the cost of this to be:

3.78 * 1.50 = €5.67

Earlier we determined that 1 euro is worth 1.23 US Dollars. Our final step is to convert our €5.67 per gallon to dollars per gallon. To do this, we simply have to multiply 5.67 by 1.23. This gives us $6.97.


So, our answer is that the cost is $6.97 per gallon.




Hopefully this is correct and makes sense to you. This is how I would approach the question.


3 0
3 years ago
Which expression is equivalent to 30 + 8?
brilliants [131]

Answer:

38

Step-by-step explanation:

7 0
2 years ago
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