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swat32
3 years ago
9

How do I solve #21-26?

Mathematics
1 answer:
Blababa [14]3 years ago
4 0
I'll give you the answers I'm good at these.
21 = 20
21 explained
twice a number is 60 more than so take 50+50=100
100-60=40
40\20=2
(but use 20)
20 X 5 = 100


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In a bottle there are 370 liters of water. There are 46 small
DanielleElmas [232]

Answer:

The number of extra glasses required is 3954.

Step-by-step explanation:

Total volume of water in a bottle = 370 liters

Number of  glasses, N = 46

capacity of each glass = 90 ml = 0.09 liter

The volume of water required to fill 46 glasses is

= 0.09 x 46 = 4.14 liter

The amount of water left = 370 -  4.14 = 355.86 liter

The number of extra glasses required to fill is

n = 355.86/0.09 = 3954

So, the number of extra glasses required is 3954.  

5 0
2 years ago
Help me solve this problem 12.
photoshop1234 [79]

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8 0
3 years ago
how would you estimate the sum? just like estimate the fractions and then get your estimated answer? Q: 2 1/6 + 3 6/11
denis-greek [22]
I think estimation is terrible. If u want to truly solve it, you just need to get a common denominator on each of the fractions. that means the bottom half of both fractions must be the same in addition or subtraction. so here, the common denominator would be 66. What times 6 = 66? 11. So 1*11/6*11 = 11/66. Then what times 11 = 66? 6. So 6*6/6*11. Your new problem is 2 11/66 + 3 36/66. Now you can just add it up, but the denominators will always stay the same, 66. Your answer would be 5 47/66
4 0
3 years ago
Solve the system of equations using substitution. Show your work. <br> y= 2x - 10<br> y= 4x - 8
Semenov [28]
Y=2x-10
Y=4x-8
U substitute it and it turns into 2x-10 =4x-8
U get x=-1
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If u have a phone u can use photo math or if u don’t there’s a thing called mathpapa
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3 years ago
If Carri has 2345 marbles and subtracts 2156 how much does she have left?
Ann [662]
2345
2156
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0189

189 marbles left
5 0
3 years ago
Read 2 more answers
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