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aksik [14]
3 years ago
12

NEED HELP FAST PLEASE! Match each whole number with a rational, exponential expression.

Mathematics
1 answer:
TEA [102]3 years ago
4 0

Answer:

Step-by-step explanation:

1). ((3^2)^{3} )^{\frac{1}{3} } = 3² = 9

2). (x^{3} )^{\frac{2}{3} } = 4² = 16

3). ((15^{3} )^{\frac{1}{3} } )^{2} = 15² = 225

4). ((21^{3} )^{\frac{1}{3} } )^{2} = 14² = 196 (Sorry I made a mistake, the base should be 14)

5). (5^{3} )^{\frac{2}{3} } = 25

6). ( (16^{3} )^{\frac{1}{3} } )² = 256

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What’s 20{5[100-3(25+35)+20]}
8_murik_8 [283]

Answer:

-6000

Step-by-step explanation:

20{5[100-3(25+35)+20]}            open the parenthesis

20{5[100-180+20]}         do the addition and subtraction in the square brackets

20{5[-60]}                        open the square brackets

20{-300}                           open curly brackets

-6000

6 0
3 years ago
CORRECT ANSWER WILL GET BRANLIEST:1/9(x﹣7) = 4
tigry1 [53]
Answer: X=43

Explanation.
1. x-7/9=4

2. x-7=4x9

3. x-7= 36

4. X=36-7

5. X=43
3 0
4 years ago
Use the distributive property to simplify the expression.
KatRina [158]
The first one is A while the second one is B 
5 + 3(2x +4) + 6 
5 + 6x + 12 + 6
5 + 12 + 6 +6x
= 23 + 6x
7 0
3 years ago
Solving systems by elimination with multiplication: 8x+7y=20 and 4x-4y=-20
borishaifa [10]
If you put 0 in the place of x or y, which every one you choose, it will cancel it or and you can just divide the number next to it by the answer (-20, 20). Take it one step at a time, don't try to do both at the same time.
3 0
3 years ago
Find the y-intercept of the following function:<br><br> <img src="https://tex.z-dn.net/?f=2x%20-%204y%20%3D%209" id="TexFormula1
fomenos

Hi there!

\large\boxed{0, -\frac{9}{4}  }

2x - 4y = 9

Begin by isolating the y variable by moving 2x to the right-hand side of the equation. (Subtract 2x from both sides):

2x - 2x - 4y = 9 - 2x

-4y = 9 - 2x

Further isolate by dividing both sides by -4:

-4y / (-4) = (9 - 2x) / (-4)

y = -9/4 - 2x/(-4)

Simplify further:

y = -9/4 + 1/2x

y = 1/2x - 9/4

The "b" value is the y-intercept, therefore:

x = 0 at y = -9/4

3 0
3 years ago
Read 2 more answers
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