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Sergio [31]
3 years ago
12

Can you help me with this

Mathematics
2 answers:
frez [133]3 years ago
6 0
Multiply the 2 numbers which are 6 and 4
elena-14-01-66 [18.8K]3 years ago
4 0
Lets try
centimeter is about 1/2 of a inch

if 28 square cm, the book coould be about 4m by 7cm (aoub the size of a recipt)

if 28 square in the book could be about 4in by 7in (regular size)

I would guess 28 square INCHES (cm is too smal)
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A sample of lake water contains 150grams of salt. If 30% of the water sample is salt, find the number of grams the entire sample
hjlf

Answer:

500 grams

Step-by-step explanation:

Let's say that the total number of grams of the sample is x. We know that 30% of x is salt and we also know this quantity is 150 grams. So, we can write this as:

30% * x = 150

Remember that % is simply "out of 100", so 30% = 30/100 = 0.30. Then:

0.30 * x = 150

Divide both sides by 0.30:

x = 500 grams

Hope this helps!

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3 years ago
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The answer will be 37 yd. Hope it help!
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Reika [66]
Using the formula for area for a parallelogram, A=BH, where A is area, B is Base, and H is height, you follow that. So in this case, you would want to find one of the area's then multiply it by 4. So for the area you get 20.52 meters. If you multiply it by 4, you get 82.08 meters. Have a nice day!
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SWBAT understand and interpret functions notation
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Replace all x with -3
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