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WITCHER [35]
2 years ago
5

ANSWER FOR BRAINLEST (BEST TO EXPLAIN WILL GET IT)

Mathematics
1 answer:
lina2011 [118]2 years ago
5 0

Answer:

-7g+13

Step-by-step explanation:

b) because combining like terms results in:

g-8g=7g

and

15-2= 13

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What is the simplified form of the following expression?
kogti [31]

Answer:

\sqrt{3}


Step-by-step explanation:

We will be using 2 properties of radicals in this simplification (outlined below).

  • \sqrt{a*b}=\sqrt{a}* \sqrt{b}
  • \sqrt{a}*\sqrt{a}=a

<em>Let's simplify this:</em>

2\sqrt{27} +\sqrt{12} -3\sqrt{3}-2\sqrt{12}\\ =2\sqrt{9*3}+\sqrt{4*3} -3\sqrt{3}-2\sqrt{4*3} \\=2\sqrt{9} \sqrt{3} +\sqrt{4} \sqrt{3}-3\sqrt{3}-2\sqrt{4} \sqrt{3} \\=2(3)\sqrt{3}+(2)\sqrt{3} -3\sqrt{3}-2(2)\sqrt{3} \\ =6\sqrt{3} +2\sqrt{3}-3\sqrt{3}-4\sqrt{3}  \\=\sqrt{3}


First answer choice is right.

5 0
3 years ago
1/2x +1/4y =32 , then find 2x+y
NeX [460]

Answer:

128

Step-by-step explanation:

3 0
2 years ago
Use IDEAL to solve the following problems (WORTH 50 POINTS)
Dima020 [189]
So pythagrorean theorem is the ideal way and easiest way to solve this

a^2+b^2=c^2

8.5^2+11^2=x^2
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9.5^2+15^2=x^2
90.25+225=315.25
square root of 315.25=17.7553 or 17.8 ft
8 0
3 years ago
Kevin wants to buy his mom a $35 necklace if the necklace is 40% off, how much will Kevin have to pay?
Sliva [168]

Answer:

21

Step-by-step explanation:

8 0
3 years ago
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The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must
yaroslaw [1]
The figure is not attached. So we will assume a rectangle that has sides of lengths 2 cm and width 3 cm and It is enlarged<span> with scale factor 3.

</span><span>The width of the original rectangle must be one-third of the enlarged rectangle.

</span>The lengths of the sides of the enlarged rectangle will be:
<span>3 × 2 cm = 6 cm (Length)
<span>3 × 3 cm = 9 cm (Width)</span></span>

7 0
3 years ago
Read 2 more answers
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