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BARSIC [14]
3 years ago
6

Match each of the expression in column 1 with an equivalent expression in column 2

Mathematics
1 answer:
Andrei [34K]3 years ago
8 0
Hopefully this is right :)

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What is ─7g + 5 = 2 – g – 7g solved to the variable???
Thepotemich [5.8K]

Answer:

g = -3

Step-by-step explanation:

-7g + 5 = 2 – g – 7g

Combine like terms

-7g + 5 = 2 -8g

5 = 2 + -g

3 = -g

-3 = g

4 0
3 years ago
If the area of a circle is 121pi square units, what is its diameter
svetlana [45]
The area of a circle is A = r^2pi
Since the area is equal to 121pi the equation would be, 121pi = r^2. To find r in terms of pi take the square root of 121, to find the radius. Then multiply that by two to get the diameter.
4 0
3 years ago
Please help me asap!!
luda_lava [24]

Answer:

1 square unit

Step-by-step explanation:

its easy

1 * 1 = 1

4 0
3 years ago
Solve the equation (linear equation)<br><br> <img src="https://tex.z-dn.net/?f=8%5E%7B2x%2B7%7D%20%3D%20%28%5Cfrac%7B1%7D%7B32%7
Minchanka [31]

Answer: x=-1

Step-by-step explanation:

By the negative exponent rule, you have that:

(\frac{1}{a})^n=a^{-n}

By the exponents properties, you know that:

(m^n)^l=m^{(nl)}

Therefore, you can rewrite the left side of the equation has following:

(\frac{1}{8})^{-(2x+7)}=(\frac{1}{32})^{3x}

 Descompose 32 and 8 into its prime factors:

32=2*2*2*2*2=2^5\\8=2*2*2=2^3

Rewrite:

(\frac{1}{2^3})^{-(2x+7)}=(\frac{1}{2^5})^{3x}

Then:

(\frac{1}{2})^{-3(2x+7)}=(\frac{1}{2})^{5(3x)}

As the base are equal, then:

-3(2x+7)=5(3x)

Solve for x:

-6x-21=15x\\-21=15x+6x\\-21=21x\\x=-1

8 0
4 years ago
If line segment AB is 100​%, what is the length of a line segment that is 200​%?
professor190 [17]
2AB ...................
3 0
3 years ago
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