Answer:
Density = 1.042 grams.
Step by step: Work out the mass of each three in a unit volume.
Cm of apple juice are mixed with 25 cm3 of fruit syrup and 270 cm3 of sparkling water to make a drink with a volume of 330 cm^3.
Apple Juice is 1.04 grams per cm³.
Fruit Syrup is 1.6 grams per cm³.
Sparkling Water is 0.99 grams per cm³.
I rounded it to 150.
You could round 15.217 down to 15 and 9.54 up to 10 and then multiply 15 x 10 = 150. But you could also multiply 15.217 x 9.54 to get 145.17018 and round that up to 150 because any number that ends with 5 or higher rounds up.
Answer:
Step-by-step explanation:
Integer factors of 117 include ...
... 117 = 1×117 = 3×39 ≈ 9×13
The last factor pair is two factors that differ by 4. We can take these to be the dimensions of the rectangle.
_____
If you want to write an equation for width (w), it might be ...
... w(w+4) = 117
... w² +4w -117 = 0
The factorization problem for this quadratic is the problem of finding two factors of 117 that differ by 4. That is what we have done, above.
If you want to solve this by completing the square, you can to this:
... w² +4w = 117
... w² +4w +4 = 121 . . . . . add 4 = (4/2)² to complete the square
... (w+2)² = 121
... w + 2 = ±√121 = ±11 . . . . take the square root
... w = -2 ± 11 . . . . . we're only interested in the positive solution
... w = 9, then w+4 = 13 and the dimensions are 9 cm by 13 cm.
Answer: 1 = 8 cups because 2 x 4 = 8.
2. 35... 7 x 10 = 70, 70 / 2 = 35
1
3. 20.53 + 1.55 + 0.02.. line up decimals!
<u> + 1.55</u>
22.08
4. Mean is average.
so add up all the numbers and divide by the amount of numbers you added
18+9 = 27, 27 + 15 = 42, 42 + 11 = 53, 53 + 13 = 66, 66 + 15 = 81.
81 divided by 6 = 13.5 or 13 1/2.
5. c = 5b
b=55
c = 5 x 55
5 x 55 = 275.
c = 275.
<u>NEXT PAGE</u>
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1. 48, 6 x 8 = 48.
2. 6, 4 x 3 = 12, 12 / 2 = 6
1
3. 9. 12 + 5.78 + 6.01
5.78
<u>+ 6.01</u>
20.91
4. 36 + 42 + 66 + 54 + 23 = 221, 221 / 5 = 44.2 or 44 1/5
5. t = 20c c = 21
t = 20 x 21 = 420
t = 420.
