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Nimfa-mama [501]
2 years ago
10

What is the difference between the 7th square number and the 4th square number?​

Mathematics
1 answer:
o-na [289]2 years ago
3 0
49-16=33 this is the answer
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The total weight of 30 bags of flour and 4 bags of sugar is 42.6 kg. If each bag of sugar weighs 0.75 kg, what is the weight of
alina1380 [7]
The answer is: Each bag of flour weighs 1,32 kg. 

If we the total weight of the bags is given, and we know both the number of bags of flour and sugar, and we also know the weight of each bag of sugar, then we have to find the unknown, which is X. 30 times X plus 4 times the weight of a bag of sugar would equal 42.6kg. Next step is to put the unknown on one side and the known values on the other side. We have 30 times X equals 42.6 minus 4 times 0.75. 
To find X we need to divide the value with 30, or to sum up 

30X + 4*0.75 = 42.6
30X + 3 = 42.6
X = (42.6 - 3) / 30
X = 1.32 kg
7 0
3 years ago
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Which situation can be modeled by the equation 45−2.50x=11.50?
zavuch27 [327]

Answer:

I think either A or D. not sure tho. sry!

4 0
2 years ago
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What are the properties of matrix? ​
Alex17521 [72]
I believe it is inverse
8 0
2 years ago
three-quarters of students are wearing the school's colors. if there are 300 students how many are wearing the colors?
soldi70 [24.7K]

Answer:

225 students are wearing school colors.

Step-by-step explanation:

1. we know that 75% or .75 of the students are wearing school colors.

2. to find what this number is we need to know what 75% of 300 is.

("of" is a keyword meaning multiply)

3. We can do this by multiplying:

300(.75) = 225

4 0
3 years ago
Two grocery stores are having deals on tomatoes. Sally's Grocery is selling 10 tomatoes for $6.30. Sweet Supermarket is selling
iragen [17]

Answer:

Step-by-step explanation:

Calculate price per unit:

7/5.10= $1.37

So the answer is the store selling 10 tomatoes for $6.30 is the lower unit price

The tomoatoes if they were sold at Sally’s instead would cost $4.41

4 0
2 years ago
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