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qaws [65]
3 years ago
8

Help plz math related question

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0
B hope this helps. .......................
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Why does (-4 1/2)^2 = 20.25? Thank you please hurry!
AnnZ [28]

Answer:

See below.

Step-by-step explanation:

Squaring a number means to multiply the number by itself.

For example, 3^2 means 3 * 3.

8^2 means 8 * 8.

(-6)^2 means (-6) * (-6).

In each case above, you see that the number that is squared is multiplied by itself.

In this case, (-4.5)^2, squaring the number -4.5, means multiply the number -4.5 by the number -4.5

(-4.5)^2 = (-4.5) * (-4.5)

Now we need to actually multiply -4.5 by -4.5

When you multiply a negative number by a negative number, the result is positive, so the product of -4.5 and -4.5 is a positive number. To find that number, you multiply 4.5 by 4.5

4.5 * 4.5 = 20.25

Therefore, (-4.5)^2 = 20.25

4 0
3 years ago
-4.25 ⋅ (3/10 + 1/5)
elixir [45]

Answer: -0.85

Step-by-step explanation:

3/10 + 1/5 = 1/2

1/2 x -4.25 = -0.85

3 0
1 year ago
What is x when y is 204?
mario62 [17]

Answer:

X =

Y = 204 =

Step-by-step explanation:

8 0
3 years ago
27 girls and 18 boys i need same ratio of girls and boys on each team please
otez555 [7]
The ratio is 3:2, hope it helps
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Simplify the following expression. Write the result using positive exponents only. Assume that all bases are not equal to 0.
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1/ x^40y^45
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