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Burka [1]
2 years ago
8

Which shows two expressions that are equivalent to (Negative 7) (Negative 15) (Negative 5)? (Negative 7) (Negative 75) and (Nega

tive 1) (525) (Negative 1) (525) and (35) (Negative 15) (35) (Negative 15) and (115) (negative 5) (Negative 1) (525) and (115) (negative 5)
Mathematics
2 answers:
dimulka [17.4K]2 years ago
8 0

Answer:

1 3 and 4

Step-by-step explanation:

vladimir1956 [14]2 years ago
7 0

Answer:

A

Step-by-step explanation:

I just did the quiz on edgen

minnie
2 years ago
it is edgnuitey
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A diagonal of a cube goes from one of rhe cube's top corners to the opposite corner of the base of the cube. Find the length of
miss Akunina [59]
So we are trying to find this red line's length.

We can either find it directly, or use the blue line firs, and then use it as a leg for the green triangle.

So the blue leg is a hypotenuse for two of the edges. So:

blue^2 = leg^2 + leg^2 from the Pythagorean Theorem
OR
blue =  \sqrt{leg^2 + leg^2}

Which works out to:

blue =  \sqrt{10^2 + 10^2} =  \sqrt{100+100} = \sqrt{200} =  \sqrt{(100)(2)}=10 \sqrt{2}

So now that we have that, using the Pythagorean Theorem again gives:

red =  \sqrt{blue^2 + 10^2} =  \sqrt{(10 \sqrt{2})^2+10^2}= \sqrt{200+100}= \sqrt{300}
\sqrt{300}= \sqrt{100*3}=10 \sqrt{3}

So the length of the red line is found that way.

But wait!  There's more!

As it turns out, the red line can be found with an easier way that works with cubes and boxes (cuboids). It's really easy:

a^2 + b^2+c^2=d^2

Where a, b, and c are all 10m, and d is the red line. This greatly reduces the math:

d =  \sqrt{10^2+10^2+10^2} = \sqrt{100+100+100} =  \sqrt{300}

which gives the same answer as above, which you can see.

3 0
3 years ago
14. (2a^4)^3 <br> what is the answer to this?
MariettaO [177]

Answer: The answer is 6.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the product?
svetoff [14.1K]

Answer: SECOND OPTION

Step-by-step explanation:

To solve the problem you must:

-Multiply the numerators and the denominators of both expressions:

\frac{(a-3)(5)}{(15a)(a-3)}

- Simplify the expression, as you can see below, then you obtain:

\frac{5}{(15a)}=\frac{1}{3a}

Therefore, as you can see,  the answer is the second option

8 0
3 years ago
Read 2 more answers
The area of a square is 625 m 2 . Find its side
Tomtit [17]

Answer:

25m

Step-by-step explanation:

Area = Side²

Side = √Area

= √625

= √25 x 25

= 25 m

3 0
2 years ago
I NEED HELP pLS What is the value of x? (only number values) *
Licemer1 [7]

Answer:

x=-1

Step-by-step explanation:

By adding the bottom lines you can get

2x+11 = x+10

Simplifying this gets you

x=-1

4 0
3 years ago
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