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Mila [183]
3 years ago
14

Addition strategies for third graders

Mathematics
1 answer:
Vlada [557]3 years ago
5 0

just base everything off tens and go from there


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Which expression is equivalent to the given expression?
marishachu [46]

Answer:

The third option.

Step-by-step explanation:

(\frac{4xy^3}{x^2})^2\\\\=(\frac{4y^3}{x})^2\\\\=\frac{16y^6}{x^2}

Hence the 3rd option.

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1 year ago
Explain in your own words why (x + y)2 ≠ x2 + y2. Provide a numerical example to illustrate.
bekas [8.4K]
Im not sure if you wrote this wrong because (x+y)2 does equal x2+y2. An example would be if x equals 3 and y equals 4 (3+4)2=(3)2+(4)2 (7)2=6+8 14=14.
6 0
3 years ago
If you flip a coin 150 times about how many times would you expect to get heads
meriva
A coin has two sides, which means it has a 1/2 chance of landing on each individual side when you flip the coin. Since there is a 1/2 chance of landing on each side, you could expect the coin to land on "Heads' 75 times. 
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3 years ago
A bank is offering 2.5% simple interest on a savings account. If Jayden deposits $5000,
Ahat [919]

Answer:

$2250

Step-by-step explanation:

First, find how much more Jayden will get each month by doing 2.5% of 5000, or multiplying 0.025 * 5000 = $125 per month.

Then, since Jayden is leaving it there for 18 months, you can do 125 * 18 = 2250.

The interest he will earn is $2250

8 0
2 years ago
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weqwewe [10]

Step-by-step explanation:

B/-7 = 4

Cross multiple

-7×4 = B

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8 0
2 years ago
Read 2 more answers
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