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2 years ago

Is 4.5 and 0.25 proportional

Mathematics

1 answer:

jeyben [28]2 years ago

3 0

Answer: no

Step-by-step explanation:

450% and 25% are different.

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Doing odd jobs in America <br>2000$ How much will it take to earn?<br>I want to know time

kari74 [83]

Answer:

Below:

Step-by-step explanation:

20 Hour Per Week.....

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3 0

2 years ago

Which equation is equivalent to √x^2+81 = x+10

jeka57 [31]

Keywords:

<em>equation, operations, equivalent, binomial, square root </em>

For this case we have an equation in which we must apply operations to rewrite it in an equivalent way. We must start by raising both sides of the equation to the square. Thus, we eliminate the square root of the left side of equality and finally solve the binomial of the right side of equality.

So we have:

$\sqrt {x ^ 2 + 81} = x + 10\\(\sqrt {x ^ 2 + 81}) ^ 2 = (x + 10) ^ 2\\x ^ 2 + 81 = (x + 10) ^ 2$

By definition: $(a + b) ^ 2 = a ^ 2 + 2ab + b ^ 2$

$x ^ 2 + 81 = x ^ 2 + 2 (x) (10) + (10) ^ 2\\x ^ 2 + 81 = x ^ 2 + 20x +100$

Thus, $x ^ 2 + 81 = x ^ 2 + 20x +100$ is equivalent to $\sqrt {x ^ 2 + 81} = x + 10$

Answer:

$x ^ 2 + 81 = x ^ 2 + 20x +100$

Option D

4 0

3 years ago

Read 2 more answers

What 2 fun facts did you learn about the inauguration

bekas [8.4K]

1-there were a huge amount of firsts yesterday
2-first ever inauguration the ex president didn’t go

8 0

2 years ago

Select the expression that means y divided by 3.

LenKa [72]

Answer:

E. y/3

Step-by-step explanation:

Read and follow:

Y DIVIDED BY 3

Y ÷ 3

or just

$\frac{y}{3}$

Hope this helps

~R3VO

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2 years ago

Read 2 more answers

If L

BabaBlast [244]

Pythagorean's theorem says the hypotenuse of a triangle is A^2+B^2=C^2 in this case I'll put the L,W, and D so it's easy to understand. L^2+W^2=D^2 is the exact same formula as above and is how we will solve this. (30^2)+(10^2)=1000 then we take the square root since 1000=D^2, and we get 36.62 as D.

3 0

3 years ago