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2 years ago

Please help I have an timer

Mathematics

2 answers:

abruzzese [7]2 years ago

3 0

Answer:

1,318

Step-by-step explanation:

Regular columnar addition.

xenn [34]2 years ago

3 0

Answer: B.) 1318

Step-by-step explanation:

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What is the area of the triangle in the diagram?

Schach [20]

Answer:

$\frac{(a-b)^2+b^2}{a^2}$

which agrees with the first choice (A) in your list of possible answers

Step-by-step explanation:

Notice that the area of the outer square is given by the square of it side $(a)$ .Then the outer area is given by: $a^2$

Now, the inner square's area we calculate by subtracting from the outer area four equal right angle triangles (those shaded in grey in the figure provided). Each of such right angle triangles have an area given by the general formula of a triangle's area:

$Area_{triangle}= \frac{base\,*\,height}{2} =\frac{(a-b)\,b}{2} =\frac{ab-b^2}{2}$

Therefore the internal square's area is:

$a^2-4\frac{ab-b^2}{2} =a^2-2ab+2b^2$

And then the quotient of this are over the larger square area becomes:

$\frac{a^2-2ab+2b^2}{a^2} =\frac{a^2-2ab+b^2+b^2}{a^2}=\frac{(a-b)^2+b^2}{a^2}$

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3 years ago

What is the simplest radical form of the expression? (x^2y^8)^2/3

ryzh [129]

Answer:x^(4/3)y^(16/3)

Step-by-step explanation:

X^(2×2/3)y^(8×2/3)=x^(4/3)y^(16/3)

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4 years ago

Is Q the midpoint of line segment PR? Justify your answer with numbers and words.

taurus [48]

Answer:

$5x+8x+10-3=72\\13x=65\\x=5\\reapplying\\5(x+2)=5*7=35\neq (\frac{72}{2}=36 )$

No it's not the Midpoint

3 0

3 years ago

Simplify 0.05x + 1.02x.

fomenos

1.07x is the sum of the equation

3 0

3 years ago

Read 2 more answers

I need help someone please

jolli1 [7]

Answer: Product of powers
---
The product of powers rules basically says that two powers, let's call them $a^{m}$ and $a^{n}$ , with the same base (a) multiplied together equals $a^{m+n}$ .

In your problem you can see that $a^{2}$ and $a^{3}$ are being multiplied together and the exponents are being added, which is what the "product of powers" law says.

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4 years ago